Hierarchical Cobalt-Nickel Phosphide/Molybdenum Disulfide Hybrid Electrocatalyst Triggering Efficient Hydrogen Generation in a Wider pH Range

Article Chemistry, Physical

A topological chemical transition strategy of bismuth-based materials for high-efficiency electrocatalytic carbon dioxide conversion to formate

Runze Ye et al.

Summary: A new topological chemical transition strategy is developed to design highly active Bi-based materials for the electrochemical reduction of carbon dioxide. The Bi2O2SO4 derived Bi catalyst exhibits superior catalytic performance.

JOURNAL OF MATERIALS CHEMISTRY A (2023)

Add to Collection

Article Chemistry, Physical

Novel Bifunctional Nitrogen Doped MoS2/COF-C4N Vertical Heterostructures for Electrocatalytic HER and OER

Nan Zhang et al.

Summary: A nitrogen-doped MoS2/COF-C4N vertical heterojunction catalyst was fabricated and showed excellent activity in both HER and OER. The catalyst exhibited lower overpotential and superior charge transfer characteristic, providing a new avenue for efficient hydrogen evolution and oxygen evolution reactions.

CATALYSTS (2023)

Add to Collection

Article Chemistry, Multidisciplinary

Rational Design of Molybdenum-Doped Cobalt Nitride Nanowire Arrays for Robust Overall Water Splitting

Weixia Huang et al.

Summary: In this study, self-supported Co3N nanowire arrays with different Mo doping contents were synthesized by hydrothermal and nitridation processes, and they exhibited robust electrocatalytic activity for overall water splitting. The optimal Co3N-Mo-0.2/Ni foam electrode showed a low overpotential of 97 mV at a current density of 50 mA cm(-2) for the hydrogen evolution reaction. Theoretical calculations confirmed that Mo doping could effectively modulate the electronic structure and surface adsorption energies of Co3N, leading to improved reaction kinetics and catalytic activity.

CHEMSUSCHEM (2023)

Add to Collection

Article Chemistry, Physical

Rational design of tungsten-doped cobalt molybdate nanosheet arrays for highly active ethanol-assisted hydrogen production

Dongmei Feng et al.

Summary: In this study, tungsten-doped cobalt molybdate nanosheet arrays were successfully synthesized, exhibiting high surface area and bifunctional catalytic activity for ethanol oxidation reaction (EOR) and hydrogen evolution reactions (HER). Furthermore, an ethanol-assisted water electrolyzer constructed using this material achieved a small total voltage and stable operation, demonstrating its promising application prospects.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2023)

Add to Collection

Article Chemistry, Physical

An efficient pH-universal non-noble hydrogen-evolving electrocatalyst from transition metal phosphides-based heterostructures

Yuxue Mo et al.

Summary: The catalytic hydrogen-evolving activities of noble-metal-free catalysts can be greatly enhanced by interface engineering and doping. A promising HER electrocatalyst, FeP4/CoP, was developed through a two-step phosphorization process. It exhibits outstanding pH-universal hydrogen-evolving activity in different electrolytes.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2023)

Add to Collection

Article Chemistry, Physical

Carbon-encapsulated Co2P/P-modified NiMoO4 hierarchical heterojunction as superior pH-universal electrocatalyst for hydrogen production

Dongmei Feng et al.

Summary: Researchers developed a pH-universal electrocatalyst, C-Co2P@P-NiMoO4/NF, by growing Co2P nanoparticles coupled with P-modified NiMoO4 nanorods on nickel foam substrates. This electrocatalyst exhibited excellent hydrogen evolution reaction (HER) properties in both acidic and basic electrolytes, as well as high stability in a phosphate buffer solution (PBS).

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2023)

Add to Collection

Article Chemistry, Physical

Engineering cobalt molybdate nanosheet arrays with phosphorus-modified nickel as heterogeneous electrodes for highly-active energy-saving water splitting

Dongmei Feng et al.

Summary: Electrochemical urea electrolysis is a promising strategy for hydrogen fuel production. The P-Ni@CoMoO4/CF electrocatalyst exhibits superior bifunctional activity for both urea oxidation reaction (UOR) and hydrogen evolution reaction (HER).

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2023)

Add to Collection

Article Chemistry, Physical

Directly Grow Ultrasmall Co2P QDs on MoS2 Nanosheets to Form Heterojunctions Greatly Boosting Electron Transfer toward Hydrogen Evolution

Hongjiu Zhu et al.

Summary: A green and cost-effective electro-catalyst for hydrogen evolution reaction (HER) was developed by depositing Co2P quantum dots (QDs) on MoS2-carbon cloth (Co2P QDs/MoS2-CC). The resulting 3D-structured Co2P QDs/MoS2-CC exhibited excellent performance with low overpotential and durability in 1 M KOH solutions, making it a promising candidate for practical applications in hydrogen energy. The hierarchical structure of the catalyst provided large accessible surface area and hierarchical pores for enhanced mass transport rate, leading to improved HER efficiency.

JOURNAL OF PHYSICAL CHEMISTRY C (2023)

Add to Collection

Article Chemistry, Multidisciplinary

High-Performance Bifunctional Porous Iron-Rich Phosphide/Nickel Nitride Heterostructures for Alkaline Seawater Splitting

Wenqi Ma et al.

Summary: This study reports a heterogeneous electrocatalyst constructed by growing highly dispersed iron-rich bimetallic phosphide nanoparticles on metallic Ni3N, which exhibits outstanding bifunctional catalytic activities for alkaline seawater splitting. The optimal Fe0.74Co0.26P/Ni3N and Fe2P/Ni3N electrocatalysts demand only 113 and 212 mV for hydrogen and oxygen evolution reactions in 1 m KOH, respectively, substantially accelerating overall water/seawater electrolysis. Particularly, Fe2P/Ni3N shows an unprecedented overpotential of 302 mV at 500 mA cm(-2), surpassing most of the reported non-noble electrocatalysts. This work provides a new approach for developing high-performance electrocatalysts for seawater splitting.

SMALL (2023)

Add to Collection

Article Chemistry, Multidisciplinary

Phosphorus-Modified Amorphous High-Entropy CoFeNiCrMn Compound as High-Performance Electrocatalyst for Hydrazine-Assisted Water Electrolysis

Kaixun Li et al.

Summary: Researchers have developed a novel phosphorus-modified amorphous high-entropy CoFeNiCrMn compound on nickel foam through one-step electrodeposition strategy. This compound exhibits remarkable performance in both hydrogen evolution reaction and hydrazine oxidation reaction. The experimental results indicate that Fe and Ni elements play important roles in the hydrogen evolution reaction, while phosphorus modification and Cr metal contribute significantly to the hydrazine oxidation reaction. These synergistic advantages result in excellent bifunctional activity of the CoFeNiCrMnP/NF.

SMALL (2023)

Add to Collection

Article Chemistry, Multidisciplinary

Interface Coupling of Cobalt Hydroxide/Molybdenum Disulfide Heterostructured Nanosheet Arrays for Highly Efficient Hydrazine-Assisted Hydrogen Generation

Yun Tong et al.

Summary: This study designs an interface-coupled Co(OH)2/MoS2 nanosheet array to form a synergistic hierarchical heterostructure on a carbon cloth substrate, which exhibits superior bifunctional performance for HzOR/HER under alkaline conditions. The Co(OH)2/MoS2/CC electrode shows superior bifunctional performances with low potentials of -134 and 177 mV at 100 mA cm-2 for HER and HzOR, respectively, benefiting from abundant electro-catalytic active sites and improved reaction kinetics. The Co(OH)2/MoS2/CC electrode delivers low potentials of 142, 197, and 271 mV at 10, 50, and 100 mA cm-2, respectively, in the hydrazine-assisted overall water electrolyzer system (OHzS), demonstrating its potential application in large-scale hydrogen fuel preparation. This study proposes a simple method for the preparation of robust and economic electrodes for energy-related systems.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2023)

Add to Collection

Article Chemistry, Multidisciplinary

Engineering Multilevel Collaborative Catalytic Interfaces with Multifunctional Iron Sites Enabling High-Performance Real Seawater Splitting

Fangming Zhang et al.

Summary: A feasible strategy to develop multifunctional collaborative catalytic interfaces for efficient alkaline seawater splitting is reported. The resultant material demonstrates low cell voltages and superior long-term stability, outperforming other non-noble bifunctional electrocatalysts.

ACS NANO (2023)

Add to Collection

Article Chemistry, Multidisciplinary

Engineering Active Iron Sites on Nanoporous Bimetal Phosphide/Nitride Heterostructure Array Enabling Robust Overall Water Splitting

Xuan Zhou et al.

Summary: In this study, a self-supported Fe2P/Co2N porous heterostructure array with superb bifunctional catalytic activity in base is reported, which provides a new approach to reduce overpotential in non-noble bifunctional electrocatalysts. The catalyst demonstrates low overpotentials for both HER and OER reactions, and exhibits excellent stability over a long period of time.

ADVANCED FUNCTIONAL MATERIALS (2023)

Add to Collection

Article Chemistry, Applied

Metal oxides heterojunction derived Bi-In hybrid electrocatalyst for robust electroreduction of CO2 to formate

Runze Ye et al.

Summary: This study demonstrates the successful synthesis of Bi2O3/In2O3 hybrid catalyst, which exhibits high selectivity for formate production in electrochemical CO2 reduction reaction at high current density. The Faradaic efficiency of formate can reach over 90% in a wide potential window from -0.4 to -1.4 V vs. RHE. The partial current density of formate reaches about 136.7 mA cm-2 at -1.4 V in a flow cell without IR-compensation. The BiIn hybrid catalyst demonstrates superior stability and selectivity, attributed to its optimized catalytic sites and interface charge transfer.

JOURNAL OF ENERGY CHEMISTRY (2023)

Add to Collection

Article Chemistry, Multidisciplinary

Coupled W-Co2P hybrid nanosheets as a robust bifunctional electrocatalyst for hydrazine-assisted hydrogen production

Kaixun Li et al.

Summary: In this study, a novel electrode (W@Co2P/NF) was proposed by integrating metal W species and Co2P nanosheets electrochemically onto nickel foam. It exhibits excellent bifunctional activity for both the HER and HzOR. The hydrazine-assisted water electrolyzer shows a small cell potential of 0.18 V at 100 mA cm(-2) and stability for hydrogen generation, surpassing most other bifunctional materials.

CHEMICAL COMMUNICATIONS (2023)

Add to Collection

Article Chemistry, Physical

Sulfur vacancy engineering of MoS2 via phosphorus incorporation for improved electrocatalytic N2 reduction to NH3

Hao Fei et al.

Summary: Sulfur vacancy-rich MoS2 doped with P shows great potential as an excellent electrocatalyst for NRR. P-M-1 achieved high NH3 yield rate and NRR efficiency through the creation of sulfur vacancies as active centers and modulation of electronic structure.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

Add to Collection

Article Chemistry, Inorganic & Nuclear

MoS2 quantum dot-decorated MXene nanosheets as efficient hydrogen evolution electrocatalysts

Huajie Huang et al.

Summary: In this study, a controllable assembly approach was proposed to construct a heterostructured nanoarchitecture using ultrafine MoS2 quantum dot-decorated Ti3C2Tx MXene nanosheets (MQDs/Ti3C2Tx). The resulting MQD/Ti3C2Tx catalyst exhibited superior hydrogen evolution reaction (HER) properties due to its remarkable structural features, homogeneous MoS2 distribution, optimized electronic structure, and good electron conductivity.

INORGANIC CHEMISTRY FRONTIERS (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Atomic Heterointerface Engineering of Ni2P-NiSe2 Nanosheets Coupled ZnP-Based Arrays for High-Efficiency Solar-Assisted Water Splitting

Kai Chang et al.

Summary: In this study, a core@shell structure of heterogeneous nanosheets was successfully constructed as a highly active multifunctional catalyst for hydrogen and oxygen evolution reactions. The catalyst exhibited excellent performance with low overpotential and fast mass transport, indicating its potential for practical applications.

ADVANCED FUNCTIONAL MATERIALS (2022)

Add to Collection

Article Chemistry, Physical

Porous engineering enables one-dimensional CoxOy/C composite to enhance lithium storage

Rui Tong et al.

Summary: A one-dimensional porous CoxOy composed of CoO and Co3O4 coated by a porous layer of carbon was prepared to improve the performance of cobalt oxides for lithium-ion battery anodes. The CoxOy@porous carbon (CoxOy@PC) composite exhibited enhanced structural stability and electrochemical kinetics, leading to significantly improved performance as an anode for lithium-ion batteries.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Bismuth/bismuth trioxide with a dual-carbon support for high and long life lithium storage

Yuexian Li et al.

Summary: A novel dual-carbon supported nanostructured architecture of bismuth/carbon nanocomposites has been fabricated for the first time, showing remarkable improvement in lithium storage performance. The as-fabricated composite exhibited superior structural stability and electrochemical kinetics, delivering unprecedented lithium storage capacity even after a large number of cycles. The results provide inspiration for the rational design of advanced lithium storage nanostructured alloying-based anodes.

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS (2022)

Add to Collection

Article Chemistry, Multidisciplinary

In-Plane Mott-Schottky Effects Enabling Efficient Hydrogen Evolution from Mo5N6-MoS2 Heterojunction Nanosheets in Universal-pH Electrolytes

Chaoran Pi et al.

Summary: Cost-effective electrocatalysts for hydrogen evolution reaction (HER) that work in a wide pH range are highly desirable. In this study, Mo5N6-MoS2/HCNRs were designed as Mott-Schottky electrocatalysts for efficient pH-universal HER. The constructed Mo5N6-MoS2 heterointerface effectively increased the electrocatalytic activity and water dissociation ability.

SMALL (2022)

Add to Collection

Article Chemistry, Physical

Heterostructure engineering of iridium species on nickel/molybdenum nitride for highly-efficient anion exchange membrane water electrolyzer

Huijie Wang et al.

Summary: This study successfully developed a novel catalyst for water electrolysis systems, which exhibits high activity and bifunctional characteristics, presenting excellent reaction kinetics in both hydrogen evolution and oxygen evolution reactions. By applying this catalyst to anion-exchange membrane water electrolyzers, superior performance was achieved.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

Add to Collection

Article Chemistry, Physical

Ni2P/MoS2 interfacial structures loading on N-doped carbon matrix for highly efficient hydrogen evolution

Yuelong Xu et al.

Summary: This study reported a novel strategy to prepare a Ni2P/MoS2 cocatalyst through a simple hydrothermal-phosphorization method. The prepared cocatalyst showed excellent catalytic performance with a wide pH range and low onset potential values, indicating its potential applications in the hydrogen evolution reaction (HER).

GREEN ENERGY & ENVIRONMENT (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Co-doped MoS2 nanosheet: a stable and pH-universal electrocatalyst for an efficient hydrogen evolution reaction

Xiaojie Tan et al.

Summary: In this work, Co-doped MoS2 nanosheets were prepared by a simple hydrothermal method, which resulted in the interlayer expansion of MoS2 nanosheets. Co doping increased the transfer pathways of electrolyte ions and provided numerous active sites, leading to outstanding HER activity.

CRYSTENGCOMM (2022)

Add to Collection

Article Chemistry, Inorganic & Nuclear

Electron coupled FeS2/MoS2 heterostructure for efficient electrocatalytic ammonia synthesis under ambient conditions

Bo Wang et al.

Summary: A FeS2 coupled MoS2 heterostructure was designed for ammonia synthesis under ambient conditions. The optimized nanocomposite showed high ammonia yield rate and good stability.

DALTON TRANSACTIONS (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Interface Engineering of Needle-Like P-Doped MoS2/CoP Arrays as Highly Active and Durable Bifunctional Electrocatalyst for Overall Water Splitting

Yan Hu et al.

Summary: This study presents a rational design and simple preparation method for a bifunctional MoS2@CoP/CC catalyst, showing excellent electrocatalytic performance and high stability under alkaline and acidic conditions.

CHEMSUSCHEM (2021)

Add to Collection

Article Chemistry, Physical

Defective-MoS2/rGO heterostructures with conductive 1T phase MoS2 for efficient hydrogen evolution reaction

Wanmeng Dong et al.

Summary: This study presents research on preparing defective-MoS2/rGO heterostructures material and evaluating its performance in hydrogen evolution reaction (HER). The experimental results demonstrate that the prepared catalyst shows outstanding HER performance due to the presence of 1T phase MoS2 and defects in the catalyst structure. Additionally, the interaction between MoS2 and rGO heterostructures plays a significant role in accelerating electron transfer kinetics, ensuring excellent conductivity and structural stability of the obtained catalyst.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

Add to Collection

Article Materials Science, Multidisciplinary

A subtle functional design of hollow CoP@MoS2 hetero-nanoframes with excellent hydrogen evolution performance

Tianyu Xia et al.

Summary: By delicately designing and modulating the morphology and phase of MoS2, a hollow CoP@MoS2 hetero-nanoframe with excellent catalytic performance was synthesized, attributed to the unique architecture of the hetero-nanostructures, appropriate component ratios, strong interaction between CoP and MoS2, and large-scale defects and disorder.

MATERIALS & DESIGN (2021)

Add to Collection

Review Chemistry, Multidisciplinary

Roadmap and Direction toward High-Performance MoS2 Hydrogen Evolution Catalysts

Yang Cao

Summary: MoS2 shows Pt-like hydrogen evolution reaction (HER) performance through strategies such as phase engineering, S vacancy, heterojunctions, and dopants. By utilizing these approaches, MoS2 has the potential to become a highly efficient HER catalyst comparable to Pt.

ACS NANO (2021)

Add to Collection

Article Materials Science, Ceramics

Porous carbon assisted carbon nanotubes supporting Fe3O4 nanoparticles for improved lithium storage

Jian Song et al.

Summary: By designing a distinctive porous carbon-assisted carbon nanotubes supporting architecture, researchers have successfully enhanced the lithium storage performance of Fe3O4 nanoparticles. The highly conductive CNTs not only improve the conductivity but also strengthen the structure of the composite, leading to improved electrode performance.

CERAMICS INTERNATIONAL (2021)

Add to Collection

Review Chemistry, Physical

Transition metal sulfides for electrochemical hydrogen evolution

Hamid Ghorbani Shiraz et al.

Summary: Hydrogen is considered the most promising zero-carbon fuel for the future, with the hydrogen evolution reaction attracting significant attention as a critical step in hydrogen technology and economy. Transition metal disulfides have emerged as a potential candidate for promoting hydrogen evolution due to their low cost and engineering versatility, with studies showing that manipulating their structure and morphology can enhance their proton reduction performance.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

Add to Collection

Article Multidisciplinary Sciences

Platinum single-atom catalyst coupled with transition metal/metal oxide heterostructure for accelerating alkaline hydrogen evolution reaction

Kai Ling Zhou et al.

Summary: Single-atom platinum immobilized NiO/Ni heterostructure acts as a highly efficient alkaline hydrogen evolution catalyst by enabling tunable binding abilities and enhancing water dissociation energy. Constructing hierarchical three-dimensional morphology further enhances the catalytic performance.

NATURE COMMUNICATIONS (2021)

Add to Collection

Article Multidisciplinary Sciences

Electronic metal-support interaction modulates single-atom platinum catalysis for hydrogen evolution reaction

Yi Shi et al.

Summary: Tuning the oxidation states of single-atom Pt catalysts through electronic metal-support interaction significantly modulates catalytic activities in either acidic or alkaline environments, establishing the structure-activity relationship and providing guidelines for the rational design of high-performance single-atom catalysts. Insights into the atomic-level mechanistic understanding of acidic and alkaline hydrogen evolution reactions have been obtained through this study.

NATURE COMMUNICATIONS (2021)

Add to Collection

Article Chemistry, Physical

Manipulating all-pH hydrogen evolution kinetics on metal sulfides through one-pot simultaneously derived multi-interface engineering and phosphorus doping

Haiqing Wang et al.

Summary: A multi-interface engineering and phosphorus doping strategy was developed to promote the all-pH hydrogen evolution kinetics on metal sulfides, leading to the creation of hierarchical NiS/WS2/Ni3S4 hybrid frameworks. The robust all-pH HER activity of NiS/WS2/Ni3S4 is attributed to the rapid transfer/transport of electrons and mass triggered by the special hierarchical structures and the multi-interface electron effects induced by the collaboration of interfaces and phosphorus doping.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Add to Collection

Review Chemistry, Multidisciplinary

Transition metal nitrides for electrochemical energy applications

Hao Wang et al.

Summary: Researchers have shown that by designing nanostructured TMNs with tailored morphology, it is possible to address issues such as limited active sites and sluggish ionic kinetics in bulk TMNs, ultimately improving electrochemical performance. Recent progress in TMN-based nanomaterials has focused on geometric-structure design, electronic-structure engineering, and applications in electrochemical energy conversion and storage.

CHEMICAL SOCIETY REVIEWS (2021)

Add to Collection

Review Chemistry, Physical

Interface engineering of transitional metal sulfide-MoS2 heterostructure composites as effective electrocatalysts for water-splitting

Yanqiang Li et al.

Summary: The construction of transitional metal sulfide-MoS2 heterostructures can enhance the catalytic efficiency for water splitting reactions and potentially lead to bifunctional catalysts.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Add to Collection

Article Chemistry, Physical