☆ 4.7 Review

Recent advances in hollow nanomaterials with multiple dimensions for electrocatalytic water splitting

DALTON TRANSACTIONS (2022)

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Review Chemistry, Multidisciplinary

Recent Advances in Complex Hollow Electrocatalysts for Water Splitting

Yi Zhong Wang et al.

Summary: Complex hollow electrocatalysts are considered promising solutions to accelerate the kinetics of hydrogen/oxygen evolution reaction, due to their advantageous features like abundant active sites, increased contact area, and shortened transport length.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Ultrahigh Pt-Mass-Activity Hydrogen Evolution Catalyst Electrodeposited from Bulk Pt

Luan Liu et al.

Summary: This study reports on a three-component heterostructured hydrogen evolution reaction (HER) catalyst with ultra-high Pt mass activity. The catalyst consists of hollow PtCu alloy nanospheres supported on an array of WO3 on Cu foam. By utilizing the contamination from the Pt counter electrode, the authors were able to activate low-HER-activity materials, maximizing the utilization of Pt. The resulting catalyst exhibits ultrahigh Pt mass activity, outperforming commercial Pt/C catalysts and some state-of-the-art Pt-single-atom catalysts.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Review Chemistry, Inorganic & Nuclear

Supports promote single-atom catalysts toward advanced electrocatalysis

Hui Xu et al.

Summary: Single-atom catalysts offer high reactivity and selectivity, but are susceptible to sintering and agglomerating. Introducing appropriate supports can optimize the local coordination environment and electronic properties, preventing sintering.

COORDINATION CHEMISTRY REVIEWS (2022)

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Article Chemistry, Physical

Synergistic improvement in electron transport and active sites exposure over RGO supported NiP/Fe4P for oxygen evolution reaction

Wenchang Zhuang et al.

Summary: Constructing 2D reduced graphene oxide (RGO) supported NiP/Fe4P nanosheets significantly improves the efficiency of electrocatalytic water splitting, showcasing excellent electrochemical stability.

IONICS (2022)

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Article Chemistry, Multidisciplinary

Atomic Metal-Support Interaction Enables Reconstruction-Free Dual-Site Electrocatalyst

Huachuan Sun et al.

Summary: Real bifunctional electrocatalysts for water splitting should exhibit steady configuration without irreversible structural transformation or surface reconstruction. Through strong metal-support interaction, single-atom dispersed Ru catalysts decorating onto nickel-vanadium LDH scaffold show excellent HER and OER activities without the need for reconstruction. The proposed Ru/Ni3V-LDH is a stable bifunctional electrocatalyst with strong metal-support interaction, suitable for catalyzing water splitting reactions effectively.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Chemistry, Multidisciplinary

Surface Phase Engineering Modulated Iron-Nickel Nitrides/Alloy Nanospheres with Tailored d-Band Center for Efficient Oxygen Evolution Reaction

Qiming Chen et al.

Summary: The study presents a surface phase engineering strategy to enhance the OER performance of transition metal nitrides, with the synthesized FeNi3-N catalyst showing excellent OER performance in alkaline media. The dual-phase nitrides induced by atom migration on the surface of the catalyst are favorable for decreasing the energy barrier, balancing the absorption and desorption of intermediates, and promoting the OER electrochemical performance.

SMALL (2022)

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Article Chemistry, Physical

Structural, electronic, and electrocatalytic evaluation of spinel transition metal sulfide supported reduced graphene oxide

Ramasamy Santhosh Kumar et al.

Summary: The study synthesized a hierarchical nanostructured ZnCo2S4 on reduced graphene oxide (ZCS@rGO) sheet using a cost-effective hydrothermal synthesis method. The prepared ZCS@rGO showed lower HER overpotential and superior durability compared to the benchmark catalyst of Pt-C. This work provides a new pathway for the rational design of highly active and durable non-precious STMS-based electrocatalysts for hydrogen production.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Review Chemistry, Multidisciplinary

Design and Synthesis of Hollow Nanostructures for Electrochemical Water Splitting

Min Yang et al.

Summary: This article summarizes recent progress in the structural design of micro/nanostructured hollow materials as advanced electrocatalysts for water splitting. Design principles and strategies for highly effective hollow electrocatalysts for oxygen/hydrogen evolution reactions are highlighted, and an overview of current reports about hollow electrocatalysts with diverse architectural designs and functionalities is given. The future research directions of hollow electrocatalysts for water splitting are also discussed based on personal perspectives.

ADVANCED SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Underfocus Laser Induced Ni Nanoparticles Embedded Metallic MoN Microrods as Patterned Electrode for Efficient Overall Water Splitting

Yuke Chen et al.

Summary: Transition metal nitrides have shown great potential in industrial applications for water splitting. In this study, a novel electrocatalyst consisting of Ni nanoparticles embedded in metallic MoN microrods was synthesized using laser heating. The designed Ni/MoN/rNS exhibited excellent catalytic performance for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). Furthermore, theoretical calculations and experimental results confirmed the high catalytic activity of the Ni/MoN interface. The constructed two-electrode system also outperformed the commercial nickel electrode in industrial water-splitting electrolysis.

ADVANCED SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Efficient Alkaline Water/Seawater Hydrogen Evolution by a Nanorod-Nanoparticle-Structured Ni-MoN Catalyst with Fast Water-Dissociation Kinetics

Libo Wu et al.

Summary: This study demonstrates a heterogeneous Ni-MoN catalyst with outstanding performance for high-current-density water electrolysis. The catalyst, consisting of nanoparticles and nanorods, possesses abundant active sites and a hydrophilic surface that facilitates gas-release and prevents catalyst degradation. Theoretical calculations confirm the synergistic effect of Ni and MoN, as well as the improved water-dissociation kinetics at the Mo sites.

ADVANCED MATERIALS (2022)

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Article Chemistry, Physical

Self-supported bimetallic phosphides with artificial heterointerfaces for enhanced electrochemical water splitting

Shuang Yang et al.

Summary: In this study, a new catalyst Ni2P-Ru2P/NF was reported, which showed excellent electrocatalytic performance for the oxygen and hydrogen evolution reactions in alkaline media. Additionally, it demonstrated fast catalytic performance for full water splitting with a low cell voltage.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Engineering, Environmental

Self-supported cobalt oxide electrocatalysts with hierarchical chestnut burr-like nanostructure for efficient overall water splitting

Hailin Liu et al.

Summary: This study proposes a novel strategy for constructing self-supported cobalt oxide electrocatalysts with hierarchical nanostructures on a copper substrate using spatially shaped femtosecond laser ablation pretreatment. The self-supported electrocatalysts demonstrated favorable electrocatalytic properties in alkaline solutions, showcasing high activity and stability for water electrolysis.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Achieving an efficient hydrogen evolution reaction with a bicontinuous nanoporous PtNiMg alloy of ultralow Noble-metal content at an ultrawide range of current densities

Yuexi Zheng et al.

Summary: By utilizing the nanoscale Kirkendall effect, a bicontinuous nanoporous PtNiMg alloy with an ultralow noble metal content is fabricated for the hydrogen evolution reaction (HER). The alloy exhibits excellent electrocatalytic activity and long-term stability over a wide range of current densities.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Inorganic & Nuclear

Engineering Heterostructured Pd-Bi2Te3 Doughnut/Pd Hollow Nanospheres for Ethylene Glycol Electrooxidation

Hui Xu et al.

Summary: This study successfully fabricates a doughnut-shaped Pd-Bi2Te3 catalyst, which exhibits excellent activity and durability in the electrooxidation of ethylene glycol. The catalyst's high electrocatalytic activity can accelerate charge transfer and promote the oxidation of intermediates, potentially enhancing electrochemical stability.

INORGANIC CHEMISTRY (2022)

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Review Chemistry, Physical

Race on engineering noble metal single-atom electrocatalysts for water splitting

Hui Xu et al.

Summary: This review comprehensively summarizes the recent advances of noble metal single-atom catalysts (NMSACs) in water splitting applications. By modifying the structure and local coordination environment, NMSACs can significantly enhance the electrochemical performance of water splitting and offer guidance for the development of more advanced NMSACs in the future.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

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Article Chemistry, Physical

Structure engineering of amorphous P-CoS hollow electrocatalysts for promoted oxygen evolution reaction

Zhao Li et al.

Summary: By utilizing an ion-exchange approach with ZIF-67 nanocubes as precursors, the structure engineering of amorphous P-CoS hollow nanomaterials was achieved, resulting in an electrocatalyst with rich active sites and optimized binding strength with oxygen-containing intermediates.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

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Article Chemistry, Physical

Synergistic coupling of FeNi3 alloy with graphene carbon dots for advanced oxygen evolution reaction electrocatalysis

Zhao Li et al.

Summary: This study demonstrates the tuning of morphology and conductivity of non-noble metal nanocatalysts FeNi3 alloy via the introduction of graphene carbon dots (GCDs), leading to enhanced electrocatalytic performance for oxygen evolution reaction (OER). The active sites dominated by Fe and the synergistic effect of GCDs contribute to the improved OER activity.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

Interface construction of NiCo LDH/NiCoS based on the 2D ultrathin nanosheet towards oxygen evolution reaction

Jiahui Li et al.

Summary: In this study, the efficient and earth-abundant transition-metal-based OER electrocatalysts were explored for industrial alkaline electrolyzers. By judiciously combining earth-abundant and ultrathin NiCo-based layered double hydroxide (NiCo LDH) nanosheets with nickel cobalt sulfides (NiCoS) through a facile metal-organic framework (MOF)-template-involved surface sulfidation process, a significant enhancement of OER kinetics was achieved in alkaline media. The hybrid arrays of NiCo LDH/NiCoS exhibited low OER overpotential and superior stability.

NANO RESEARCH (2022)

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Article Chemistry, Multidisciplinary

Metal-Organic Framework-Derived Hollow CoSx Nanoarray Coupled with NiFe Layered Double Hydroxides as Efficient Bifunctional Electrocatalyst for Overall Water Splitting

Yun Jae Lee et al.

Summary: In this study, a bifunctional electrocatalyst composed of hollow CoSx and Ni-Fe based layered double hydroxide (NiFe LDH) nanosheets was developed for efficient overall water splitting. The catalyst exhibits excellent HER and OER activities with low overpotentials and good durability.

SMALL (2022)

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Review Chemistry, Multidisciplinary

Nanostructured Metal Phosphide Based Catalysts for Electrochemical Water Splitting: A Review

Pradnya M. Bodhankar et al.

Summary: This review discusses the recent research progress in nanostructured metal phosphide-based catalysts for electrochemical water splitting. These catalysts exhibit unconventional physicochemical properties and offer high turnover frequency, improved efficiency, and stability. Through experimental and theoretical investigations, this review explores the catalytic activity and synthetic strategies of these catalysts. The challenges and future outlook in the field of metal phosphide-based catalysts for water electrolysis are also addressed.

SMALL (2022)

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Article Chemistry, Physical

Local photothermal and photoelectric effect synergistically boost hollow CeO2/CoS2 heterostructure electrocatalytic oxygen evolution reaction

Lin Tian et al.

Summary: This study presents a novel design and synthesis of CeO2/CoS2 heterostructures for enhanced oxygen evolution reaction (OER) through the combination of local photothermal effect and photoelectric effect. The CeO2/CoS2 catalyst exhibits excellent electrocatalytic performance, outperforming the RuO2 catalyst.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Analytical

Unconventional phase engineering of fuel-cell electrocatalysts

Qiang Zhang et al.

Summary: The commercialization of fuel cells is hindered by the poor stability, sluggish kinetics, and limited catalytic activity of electrocatalysts. Finding highly active and durable electrocatalysts has become a promising strategy for improving fuel cell performance. Unconventional phase engineering, including optimizing catalyst properties and modifying the adsorption/desorption of intermediates, has shown recent progress in nanomaterials and provides potential for enhancing electrocatalytic reactions.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2022)

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Article Chemistry, Physical

Surface/interface engineering for fabricating hierarchical Ir doped NiMoO4 covered by CoMn layered double hydroxide toward oxygen evolution reaction

Shirong Tang et al.

Summary: This study demonstrates the design of advanced hierarchical OER electrocatalysts through surface/interface engineering, which exhibit excellent OER performance and long-term stability, providing important support for large-scale hydrogen production.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Multidisciplinary

Electronic and architecture engineering of hammer-shaped Ir-NiMoO4-ZIF for effective oxygen evolution

Ming Song et al.

Summary: Designing an electronic structure and architecture with appropriate binding strength and abundant active sites is crucial for boosting the oxygen evolution reaction (OER). In this study, a hammer-shaped structure was developed by in situ assembly of ZIF-67 nanocubes on the surface of one-dimensional NiMoO4 nanorods. The resulting NiMoO4-ZIF hammers showed high activity towards OER after doping with a low amount of Ir, delivering a high current density with a low overpotential.

CRYSTENGCOMM (2022)

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Article Chemistry, Multidisciplinary

Electronic structure optimization boosts Pd nanocrystals for ethanol electrooxidation realized by Te doping

Qiang Zhang et al.

Summary: This study proposes an advanced nonmetal-doped Pd nanocrystal catalyst for promoting the electrocatalytic ethanol oxidation reaction. The catalyst not only improves the electronic structure of Pd to enhance its activity but also significantly promotes the oxidation of intermediates, thereby improving the electrocatalytic properties.

CRYSTENGCOMM (2022)

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Article Chemistry, Inorganic & Nuclear

Engineering NiMoO4/NiFe LDH/rGO multicomponent nanosheets toward enhanced electrocatalytic oxygen evolution reaction

Lei Jin et al.

Summary: Rational hybridization of NiFe LDH nanosheets with reduced graphene oxide led to the successful synthesis of NiMoO4/NiFe LDH/rGO nanosheets. This novel nanosheet catalyst exhibited excellent electrocatalytic activity for the OER.

DALTON TRANSACTIONS (2022)

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Article Chemistry, Physical

Facile Synthesis of Fe-Doped CoO Nanotubes as High-Efficient Electrocatalysts for Oxygen Evolution Reaction

Fan Tang et al.

Summary: By integrating chemical composition and geometric structure, Fe-doped CoO nanotubes with high oxygen evolution reaction (OER) activity and stability were successfully prepared. The study is important for enhancing the efficiency of OER.

SMALL STRUCTURES (2022)

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Review Nanoscience & Nanotechnology

Designing Self-Supported Electrocatalysts for Electrochemical Water Splitting: Surface/Interface Engineering toward Enhanced Electrocatalytic Performance

Peican Wang et al.

Summary: Electrochemical water splitting is considered the most promising method for storing renewable electricity in the form of hydrogen fuel, but challenges remain with the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). Surface and interface engineering offer a viable approach to enhance catalytic activity, with self-supported electrocatalysts showing high efficiency due to regulated interfaces. The review highlights the state-of-the-art achievements in self-supported electrocatalysts for HER/OER and proposes surface/interface engineering strategies to improve performance, identifying key approaches such as defect engineering and heterostructure design.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Delicate Control on the Shell Structure of Hollow Spheres Enables Tunable Mass Transport in Water Splitting

Ping Hou et al.

Summary: This paper presents a novel method to regulate the shell structures of hollow multishell structures, transforming the shells from solid to bubble-like and replicating them with narrow spacing through a simple phosphorization process. The fabricated CoP HoMSs with closely duplicated shells exhibit superior electrocatalytic performance in the hydrogen and oxygen evolution reaction, benefitting from the unbalanced Laplace pressure for increased gas release and enhanced capillary force for accelerated liquid transfer.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Engineering, Environmental

Fluorination of ZIF-67 framework templated Prussian blue analogue nanobox for efficient electrochemical oxygen evolution reaction

Xiaocong Gu et al.

Summary: Efficient oxygen evolution nano-catalyst is achieved by fluorination of ZIF-67 Framework templated Prussian blue analogue hollow nano-box, showing high catalytic performance for OER. The structural transformation and morphology are influenced by fluorination temperature, correlating with the catalytic ability. The product obtained at 250 degrees C exhibits the highest catalytic performance, surpassing commercial IrO2 catalysts, with high stability and intrinsic activity.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

Nitrogen-doped carbon-decorated yolk-shell CoP@FeCoP micro-polyhedra derived from MOF for efficient overall water splitting

Jinghui Shi et al.

Summary: This study successfully synthesized nitrogen-doped carbon-decorated CoP@FeCoP yolkshelled micro-polyhedras and made significant advances in electrocatalytic activity and stability. By combining the yolk-shelled structure and nitrogen-doped carbon, the electronic structure was optimized to achieve efficient water splitting.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

Exploring the intrinsic active sites and multi oxygen evolution reaction step via unique hollow structures of nitrogen and sulfur co-doped amorphous cobalt and nickel oxides

Kwanwoo Kim et al.

Summary: The Co-Ni-N-S nanocage, fabricated through a self-catalytic process, demonstrates outstanding OER performance attributed to its abundant defect sites, oxygen vacancies, and hollow nanocage structure. The 'ensemble effect' caused by N and S doping plays a key role in enhancing the intrinsic active surface area, making it a valuable strategy for designing efficient electrocatalysts based on amorphous metal oxides.

CHEMICAL ENGINEERING JOURNAL (2021)

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Review Chemistry, Physical

Metal organic frameworks as electrocatalysts: Hydrogen evolution reactions and overall water splitting

Meena Nemiwal et al.

Summary: This review summarizes the recent advances in heterogeneous catalysis using metal organic frameworks (MOFs) as electrocatalysts for hydrogen evolution reaction (HER) and water splitting, including the enhancement of performance with composites of MOFs and bifunctional electrocatalysts derived from MOFs using different synthetic approaches.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Chemistry, Multidisciplinary

Visualizing the Conversion of Metal-Organic Framework Nanoparticles into Hollow Layered Double Hydroxide Nanocages

Wenhui Wang et al.

Summary: The study reveals the process of MOF nanoparticles converting into LDH nanostructures using liquid-phase transmission electron microscopy. The findings show that maintaining comparable etching and growth rates is crucial for forming hollow nanostructures with the shape of underlying MOF NP template.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Chemistry, Multidisciplinary

Interface Engineering of Co-LDH@MOF Heterojunction in Highly Stable and Efficient Oxygen Evolution Reaction

Zhenxing Li et al.

Summary: The electrochemical splitting of water into hydrogen and oxygen is a promising approach for generating clean and sustainable energy. Interface engineering heterojunctions between ZIF-67 and LDH have been designed to enhance the catalytic activity of the OER and the stability of Co-LDH, resulting in superior OER activity with low overpotential and long-term electrochemical stability.

ADVANCED SCIENCE (2021)

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Article Chemistry, Physical

CoFeP hierarchical nanoarrays supported on nitrogen-doped carbon nanofiber as efficient electrocatalyst for water splitting

Bei Wei et al.

Summary: By growing CoFeP two-dimensional nanoarrays on nitrogen-doped electrospun carbon nanofibers and utilizing a template-directed growth and phosphorization treatment, the CoFeP NS@NCNF exhibits efficient bifunctional electrocatalytic activities for OER and HER in 1 M KOH. The hierarchical structure derived from Prussian blue analogues (PBAs) provides a promising way for the preparation of transition metal-based electrocatalysts.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Chemistry, Multidisciplinary

Tip-Enhanced Electric Field: A New Mechanism Promoting Mass Transfer in Oxygen Evolution Reactions

Peng Liu et al.

Summary: In this study, NiFe alloy nanocone arrays were used to enhance the oxygen evolution reaction (OER) rate and outperform state-of-the-art OER electrocatalysts. The high-curvature tips on the nanocones induce a local electric field that significantly increases the concentration of hydroxide ions near the active sites, promoting OER activity. This local field enhanced OER kinetics is suggested to be a generic effect applicable to other OER catalysts.

ADVANCED MATERIALS (2021)

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Article Chemistry, Physical

1D NiHPO4 nanotubes prepared using dissolution equilibrium as bifunctional electrocatalyst for high-efficiency water splitting

Zining Wang et al.

Summary: In this study, one-dimensional NiHPO4 nanotubes were successfully synthesized and showed promising catalytic performance and stability in water splitting reactions. By controlling the dissolution equilibrium, the morphology of NiHPO4 can be transformed. The method of fabricating hollow metal phosphates based on this mechanism is potentially extendable to other materials.

JOURNAL OF POWER SOURCES (2021)

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Article Engineering, Environmental

Double functionalization strategy toward Co-Fe-P hollow nanocubes for highly efficient overall water splitting with ultra-low cell voltage

Yuanxin Zhu et al.

Summary: A novel strategy based on controllable assembly and synergistic catalysis of HER and OER active single functional sites was utilized to create high-performance catalysts for overall-water-splitting. The product catalyst exhibited superior electrocatalytic activity in alkaline media, with small overpotentials for OER and HER and ultra-low operating cell voltage for overall-water-splitting, surpassing most recently reported bifunctional electrocatalysts. This unique design is advantageous for developing highly active and durable electrocatalysts of energy conversion reactions.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Multidisciplinary

Engineering Bimetallic NiFe-Based Hydroxides/Selenides Heterostructure Nanosheet Arrays for Highly-Efficient Oxygen Evolution Reaction

Caichi Liu et al.

Summary: The newly designed bimetallic NiFe-based heterostructure electrocatalyst shows excellent OER performance in 1m KOH, with electronic coupling at the interface leading to increased electrical conductivity and optimized adsorption free energies playing a crucial role in enhancing OER activities, as confirmed by experimental and theoretical results.

SMALL (2021)

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Review Chemistry, Physical

Essentials of High Performance Water Electrolyzers - From Catalyst Layer Materials to Electrode Engineering

Chuyen Van Pham et al.

Summary: This review article focuses on the optimization of catalyst materials, electrode structure, and transport layers in PEMWEs to improve performance and reduce cost. The goals for future PEMWEs performance metrics in terms of power density and durability of the anode are defined, along with summarizing manufacturing techniques that can be upscaled for megawatt deployment. The review also highlights the importance of a holistic approach for electrode design to advance the next generation of electrodes.

ADVANCED ENERGY MATERIALS (2021)

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Article Engineering, Environmental

Synthesis of 3D CoO nanowires supported NiFe layered double hydroxide using an atmospheric pressure microplasma for high-performance oxygen evolution reaction

Zhipeng Wang et al.

Summary: A novel 3D CoO@NiFe LDH/NF electrocatalyst with superior catalytic activity and long-term stability was prepared using DBD microplasma, providing insights for the rational design of efficient OER electrocatalysts.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Physical

NiSe2-FeSe Double-Shelled Hollow Polyhedrons as Superior Electrocatalysts for the Oxygen Evolution Reaction

Siva Kumar Ramesh et al.

Summary: The study successfully synthesized NiSe2-FeSe DHPs using a MOF self-templating method, exhibiting excellent OER performance. The improved stability and efficiency are attributed to the abundant electrocatalytic active sites, large surface area, and synergistic effect of heterostructure interfaces.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Multidisciplinary Sciences

Exposing unsaturated Cu1-O2 sites in nanoscale Cu-MOF for efficient electrocatalytic hydrogen evolution

Weiren Cheng et al.

Summary: We have developed a promising electrocatalyst composed of Fe(OH)(x)@Cu-MOF nanoboxes, which exhibit superior activity and stability for the electrocatalytic hydrogen evolution reaction.

SCIENCE ADVANCES (2021)

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Review Chemistry, Multidisciplinary

Clean and Affordable Hydrogen Fuel from Alkaline Water Splitting: Past, Recent Progress, and Future Prospects

Zi-You Yu et al.

Summary: The hydrogen economy has emerged as a promising alternative to the current hydrocarbon economy, involving the use of renewable energy to split water into hydrogen and oxygen for further utilization as clean fuel. Among various water electrolysis technologies, alkaline water splitting has been commercialized for over 100 years and is considered the most mature and economic option. Advanced nonprecious metal electrocatalysts have shown potential for improving the efficiency and stability of alkaline water splitting processes, with a focus on catalyst synthesis and performance improvement.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Nitrogen-Doped Cobalt Diselenide with Cubic Phase Maintained for Enhanced Alkaline Hydrogen Evolution

Yiqiang Sun et al.

Summary: Incorporating nitrogen can effectively regulate the intrinsic electronic structure of transition metal chalcogenides, promoting their electrocatalytic activity for the hydrogen evolution reaction; while the introduction of phosphorous can lead to structural phase transition and instability in the structural phase of phosphorous-doped cobalt selenide for the hydrogen evolution reaction.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Templated fabrication of perfectly aligned metal-organic framework-supported iron-doped copper-cobalt selenide nanostructure on hollow carbon nanofibers for an efficient trifunctional electrode material

Su-Hyeong Chae et al.

Summary: This study demonstrates the synthesis of a high-performance trifunctional electrocatalyst based on iron-doped copper-cobalt selenide supported metal-organic frameworks. The Fe-doped MOF CuCoSe@HCNF nanostructure exhibits outstanding electrochemical activity towards the OER, HER, and ORR, mainly due to its unique structural features facilitating favorable electron transfer between the electrode and electrolyte interface for successful trifunctional water splitting electrocatalysis.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

Interface engineered NiFe2O4-x/NiMoO4 nanowire arrays for electrochemical oxygen evolution

Juhyung Choi et al.

Summary: This study demonstrates that designing integrated nanostructures with optimized interfaces can enhance catalytic activity by promoting the formation of active phases.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Engineering, Environmental

1D Core-Shell MOFs derived CoP Nanoparticles-Embedded N-doped porous carbon nanotubes anchored with MoS2 nanosheets as efficient bifunctional electrocatalysts

Chuan-Ling Zhang et al.

Summary: Developing high-performance non-noble electrocatalysts for OER and HER is crucial. The constructed 1D bifunctional electrocatalyst showed superior electrocatalytic activity in 1 M KOH and achieved high overall water splitting performance with ultralow cell voltage, demonstrating ultra-stability for overall water splitting.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

Ultralow Ru doping induced interface engineering in MOF derived ruthenium-cobalt oxide hollow nanobox for efficient water oxidation electrocatalysis

Cheng Wang et al.

Summary: The development of heterostructured ruthenium-cobalt oxide hollow nanoboxes enables highly efficient oxygen evolution reaction (OER) electrocatalysis, with extremely low overpotential and a small Tafel slope, conducive to electrolysis reactions.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

In-situ transformation obtained defect-rich porous hollow CuO@CoZn-LDH nanoarrays as self-supported electrode for highly efficient overall water splitting

Leilei Yin et al.

Summary: A novel strategy was proposed to fabricate dual-metal zeolitic imidazolate framework (CoZn-ZIF) nanocrystals on Cu(OH)(2) nanowires, leading to the formation of highly ordered CuO@CoZn-LDH nanoarrays with defect-rich porous surface for efficient water splitting. The catalyst showed excellent activity with low overpotentials for oxygen and hydrogen evolution reactions in alkaline media, and demonstrated a low cell voltage for overall water splitting, comparable to commercial catalysts. This work provides a new perspective for designing and fabricating advanced multifunctional electrocatalysts for electrochemical energy devices.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Multidisciplinary

Hollow Hydrangea-Like CoRu/Co Architecture as an Excellent Electrocatalyst for Oxygen Evolution

Qian Chen et al.

Summary: This study developed a hierarchical hollow hydrangea-like CoRu/Co superstructure with excellent catalytic performances in the oxygen evolution reaction, outperforming benchmark RuO2 and most reported electrocatalysts. The unique morphology and structure of CoRu/Co-M-350 provide abundant accessible surface sites and fast mass and electron transfer, promoting OER catalysis. This study offers a new synthetic route for preparing highly active OER electrocatalysts.

CHEMSUSCHEM (2021)

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Article Chemistry, Physical

Template-free synthesis of 1D hollow Fe doped CoP nanoneedles as highly activity electrocatalysts for overall water splitting

Yuying Yang et al.

Summary: The study presents the design and fabrication of Fe-doped CoP 1D hollow nano-needles on carbon cloth, which demonstrate good electrocatalytic activity for hydrogen evolution reaction. The Fe-CoP@CC nanoneedles show potential to serve as an efficient catalyst for overall water splitting.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Chemistry, Multidisciplinary

Encapsulating Cobalt Nanoparticles in Interconnected N-Doped Hollow Carbon Nanofibers with Enriched Co-N-C Moiety for Enhanced Oxygen Electrocatalysis in Zn-Air Batteries

Qi Lu et al.

Summary: The study successfully designed and fabricated a high-efficiency bifunctional electrocatalyst using high-temperature shock technology, with high activities for both oxygen reduction and oxygen evolution reactions. The composite structure of the catalyst utilizes the synergistic effect and intrinsic activity of the Co-N-C moiety, as well as the porous structure of carbon nanofibers.

ADVANCED SCIENCE (2021)

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Review Chemistry, Physical

Recent Advances in 1D Electrospun Nanocatalysts for Electrochemical Water Splitting

Longcheng Zhang et al.

Summary: This review discusses recent progress in electrocatalytic water splitting using advanced electrospun nanomaterials, covering fundamentals, structure design, and electrocatalytic properties. The review highlights the importance of designing 1D nanocatalysts with large surface area, high electronic conductivity, and tunable composition to improve the efficiency of electrochemical water splitting. The future perspectives and challenges in designing next-generation 1D electrospun nanocatalysts for electrochemical water splitting are also outlined.

SMALL STRUCTURES (2021)

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Article Chemistry, Physical

Ni3S2/Cu-NiCo LDH heterostructure nanosheet arrays on Ni foam for electrocatalytic overall water splitting

Lina Jia et al.

Summary: This study reports a novel 3D Ni3S2/Cu-NiCo LDH heterostructure nanosheet arrays as a promising bifunctional electrocatalyst for the OER and HER. The design enhances activity through introducing copper ions and metallic Ni3S2 to tune the electronic structure, accelerate electrolyte diffusion, and promote gas bubble release, resulting in superior overall water splitting ability.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Physical

Construction of hierarchical IrTe nanotubes with assembled nanosheets for overall water splitting electrocatalysis

Ziqiang Wang et al.

Summary: Hierarchical IrTe nanotubes (NTs) with assembled nanosheets were prepared through a replacement reaction between Te nanowires and metal precursors in the presence of formic acid, serving as a bifunctional electrocatalyst for effective oxygen and hydrogen evolution reactions in acidic media. The IrTe NTs exhibited high-efficiency performance towards electrocatalytic overall water splitting in 0.5 M H2SO4 solution, reaching 10 mA cm(-2) at a cell voltage of only 1.53 V, showcasing a powerful approach to fabricate active bifunctional electrocatalysts for overall water splitting.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Review Chemistry, Physical

Advances in noble metal (Ru, Rh, and Ir) doping for boosting water splitting electrocatalysis

Lin Tian et al.

Summary: Electrochemical water splitting holds promise for producing high-density and green hydrogen, but the slow H2O dissociation process hinders industrial scale applications due to low H2O adsorption on catalyst surfaces. Efforts in exploring efficient approaches to fabricate electrocatalysts with appropriate H2O adsorption include defect engineering, interface engineering, and morphology design. Noble metal doping, particularly with metals like Ru, Rh, and Ir, plays a crucial role in optimizing the adsorption of reaction intermediates on catalyst surfaces, and has attracted significant research interest. This review highlights recent examples and mechanisms of noble metal doping in boosting water splitting electrocatalysis, along with challenges and future outlooks for practical applications.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Review Chemistry, Physical

Design of hollow carbon-based materials derived from metal-organic frameworks for electrocatalysis and electrochemical energy storage

Wenhui Hu et al.

Summary: This article reviews the preparation process and applications of MOF-derived hollow carbon-based materials in electrochemical energy storage and electrocatalysis. Various methods for preparing these materials are introduced, and their applications in different reactions and batteries are analyzed and summarized. Future research directions for the further development of MOF-derived hollow carbon-based materials are also proposed.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Review Chemistry, Physical

Nanoboxes endow non-noble-metal-based electrocatalysts with high efficiency for overall water splitting

Cheng Wang et al.

Summary: Developing cost-effective and advanced electrocatalysts is crucial for addressing environmental and energy crises. Non-noble-metal-based hollow nanoboxes have emerged as promising candidate materials for heterogeneous electrocatalysts due to their unique structural features. This review provides an updated summary of advanced nanoboxes for efficient electrocatalytic processes, discussing their classification, advantages, applications, and reaction mechanisms.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Multidisciplinary

Confining Sub-Nanometer Pt Clusters in Hollow Mesoporous Carbon Spheres for Boosting Hydrogen Evolution Activity

Xian-Kai Wan et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Designed Formation of Double-Shelled Ni-Fe Layered-Double-Hydroxide Nanocages for Efficient Oxygen Evolution Reaction

Zhang Jintao et al.

ADVANCED MATERIALS (2020)

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Review Chemistry, Inorganic & Nuclear

Prussian blue analogues and their derived nanomaterials for electrocatalytic water splitting

Li-Ming Cao et al.

COORDINATION CHEMISTRY REVIEWS (2020)

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Review Materials Science, Multidisciplinary

Metal-organic framework-derived nanocomposites for electrocatalytic hydrogen evolution reaction

Ziliang Chen et al.

PROGRESS IN MATERIALS SCIENCE (2020)

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Article Chemistry, Physical

CoP Nanoframes as Bifunctional Electrocatalysts for Efficient Overall Water Splitting

Lvlv Ji et al.

ACS CATALYSIS (2020)

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Article Chemistry, Multidisciplinary

Bottom-Up Synthesis of Advanced Carbonaceous Anode Materials Containing Sulfur for Na-Ion Batteries

Jonathan Tzadikov et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Physical

Three-dimensional open CoMoOx/CoMoSx/CoSx nanobox electrocatalysts for efficient oxygen evolution reaction

Hui Xu et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

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Article Chemistry, Multidisciplinary

Simple 2 D/0 D CoP Integration in a Metal-Organic Framework-Derived Bifunctional Electrocatalyst for Efficient Overall Water Splitting

Siming Lv et al.

CHEMSUSCHEM (2020)

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Article Chemistry, Physical

Interface Engineering of Hierarchical Branched Mo-Doped Ni3S2/NixPy Hollow Heterostructure Nanorods for Efficient Overall Water Splitting

Xu Luo et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Etching-Doping Sedimentation Equilibrium Strategy: Accelerating Kinetics on Hollow Rh-Doped CoFe-Layered Double Hydroxides for Water Splitting

Keyu Zhu et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Dual-Phase Engineering of Nickel Boride-Hydroxide Nanoparticles toward High-Performance Water Oxidation Electrocatalysts

Yu-Rim Hong et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Metal Atom-Doped Co3O4Hierarchical Nanoplates for Electrocatalytic Oxygen Evolution

Song Lin Zhang et al.

ADVANCED MATERIALS (2020)

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Article Multidisciplinary Sciences

Accelerating water dissociation in bipolar membranes and for electrocatalysis

Sebastian Z. Oener et al.

SCIENCE (2020)

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Article Engineering, Environmental

Rational design of hollow core-double shells hybrid nanoboxes and nanopipes composed of hierarchical Cu-Ni-Co selenides anchored on nitrogen-doped carbon skeletons as efficient and stable bifunctional electrocatalysts for overall water splitting

Hadi Hosseini et al.

CHEMICAL ENGINEERING JOURNAL (2020)

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Article Chemistry, Multidisciplinary

Self-Templating Approaches to Hollow Nanostructures

Ji Feng et al.

ADVANCED MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Architecture and Preparation of Hollow Catalytic Devices

Bowen Li et al.

ADVANCED MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Functionalization of Hollow Nanomaterials for Catalytic Applications: Nanoreactor Construction

Wei Zhu et al.

ADVANCED MATERIALS (2019)

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Review Chemistry, Multidisciplinary

Electron Tomography: A Unique Tool Solving Intricate Hollow Nanostructures

Hao Song et al.

ADVANCED MATERIALS (2019)

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Review Chemistry, Physical

Hollow Carbon Spheres and Their Hybrid Nanomaterials in Electrochemical Energy Storage

Tao Liu et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Chemistry, Physical

Co-Fe-P nanotubes electrocatalysts derived from metal-organic frameworks for efficient hydrogen evolution reaction under wide pH range

Jiahui Chen et al.

NANO ENERGY (2019)

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Article Multidisciplinary Sciences

Three-dimensional open nano-netcage electrocatalysts for efficient pH-universal overall water splitting

Zewen Zhuang et al.

NATURE COMMUNICATIONS (2019)

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Article Chemistry, Physical

Double functionalization of N-doped carbon carved hollow nanocubes with mixed metal phosphides as efficient bifunctional catalysts for electrochemical overall water splitting

Chao-Nan Lv et al.

NANO ENERGY (2019)

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Article Chemistry, Multidisciplinary

Carved nanoframes of cobalt-iron bimetal phosphide as a bifunctional electrocatalyst for efficient overall water splitting

Yuebin Lian et al.

CHEMICAL SCIENCE (2019)

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Article Chemistry, Physical

Ultrathin mesoporous F-doped -Ni(OH)2 nanosheets as an efficient electrode material for water splitting and supercapacitors

Nadeem Hussain et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

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Article Chemistry, Physical

Mo-doped Ni2P hollow nanostructures: highly efficient and durable bifunctional electrocatalysts for alkaline water splitting

Qin Wang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

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Article Chemistry, Multidisciplinary

Assembling Ultrasmall Copper-Doped Ruthenium Oxide Nanocrystals into Hollow Porous Polyhedra: Highly Robust Electrocatalysts for Oxygen Evolution in Acidic Media

Jianwei Su et al.

ADVANCED MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Construction of hierarchical Ni-Co-P hollow nanobricks with oriented nanosheets for efficient overall water splitting

Enlai Hu et al.

ENERGY & ENVIRONMENTAL SCIENCE (2018)

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Article Chemistry, Multidisciplinary

Precision and correctness in the evaluation of electrocatalytic water splitting: revisiting activity parameters with a critical assessment

S. Anantharaj et al.

ENERGY & ENVIRONMENTAL SCIENCE (2018)

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Article Chemistry, Physical

Hollow Mo-doped CoP nanoarrays for efficient overall water splitting

Cao Guan et al.

NANO ENERGY (2018)

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Article Chemistry, Multidisciplinary

Pearson's principle-inspired strategy for the synthesis of amorphous transition metal hydroxide hollow nanocubes for electrocatalytic oxygen evolution

Linlin Yang et al.

MATERIALS CHEMISTRY FRONTIERS (2018)

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Article Chemistry, Multidisciplinary

Efficient Overall Water-Splitting Electrocatalysis Using Lepidocrocite VOOH Hollow Nanospheres

Huanhuan Shi et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2017)

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Article Chemistry, Multidisciplinary

Morphology and Structure Engineering in Nanofiber Reactor: Tubular Hierarchical Integrated Networks Composed of Dual Phase Octahedral CoMn2O4/Carbon Nanofibers for Water Oxidation

Han Zhu et al.

SMALL (2017)

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Article Chemistry, Physical

Metal-Organic Frameworks Derived Cobalt Phosphide Architecture Encapsulated into B/N Co-Doped Graphene Nanotubes for All pH Value Electrochemical Hydrogen Evolution

Hassina Tabassum et al.

ADVANCED ENERGY MATERIALS (2017)

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Article Chemistry, Multidisciplinary

Acid-etched layered double hydroxides with rich defects for enhancing the oxygen evolution reaction

Peng Zhou et al.

CHEMICAL COMMUNICATIONS (2017)

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Article Chemistry, Physical

Photocatalytic hydrogen production using mesoporous TiO2 doped with Pt

F. Guayaquil-Sosa et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2017)

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Article Chemistry, Multidisciplinary

Iridium-Based Multimetallic Nanoframe@Nanoframe Structure: An Efficient and Robust Electrocatalyst toward Oxygen Evolution Reaction

Jongsik Park et al.

ACS NANO (2017)

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Article Chemistry, Multidisciplinary

Low-temperature Synthesis of Heterostructures of Transition Metal Dichalcogenide Alloys (WxMo1-xS2) and Graphene with Superior Catalytic Performance for Hydrogen Evolution

Yu Lei et al.

ACS NANO (2017)

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Article Chemistry, Multidisciplinary

Hierarchical NiCo2O4 Hollow Microcuboids as Bifunctional Electrocatalysts for Overall Water-Splitting

Xuehui Gao et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2016)

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Review Chemistry, Multidisciplinary

Synthesis, Properties, and Applications of Hollow Micro-/Nanostructures

Xiaojing Wang et al.

CHEMICAL REVIEWS (2016)

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Article Chemistry, Multidisciplinary

Plasma-Assisted Synthesis of NiCoP for Efficient Overall Water Splitting

Hanfeng Liang et al.

NANO LETTERS (2016)

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