S-modified NiFe-phosphate hierarchical hollow microspheres for efficient industrial-level seawater electrolysis

Article Electrochemistry

Worrisome Exaggeration of Activity of Electrocatalysts Destined for Steady-State Water Electrolysis by Polarization Curves from Transient Techniques

Sengeni Anantharaj et al.

Summary: Cyclic and linear sweep voltammetry techniques misjudge the performance of water splitting electrocatalysts, and it is recommended to use a more precise alternative technique such as sampled-current voltammetry (SCV) for evaluation.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2022)

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Article Chemistry, Physical

Controllable growth of Fe-doped NiS2 on NiFe-carbon nanofibers for boosting oxygen evolution reaction

Mengxiao Zhong et al.

Summary: In this study, (Ni,Fe)S2/NiFe-CNFs electrocatalyst is fabricated by growing Fe-doped NiS2 crystals on the surface of carbon nanofibers encapsulated with NiFe alloy nanoparticles. This catalyst shows high electrochemical activity and durability towards the oxygen evolution reaction (OER) in an alkaline medium, with a low overpotential and comparable performance to noble metal-based electrocatalysts. It also exhibits excellent performance for overall water splitting, surpassing the performance of a RuO2||Pt/C electrolyzer.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

Designing hierarchical iron doped nickel-vanadium hydroxide microsphere as an efficient electrocatalyst for oxygen evolution reaction

Yaoyao Deng et al.

Summary: Exploring highly active and inexpensive electrocatalysts for the oxygen evolution reaction (OER) is crucial for the development of energy and environment-related technologies. In this work, iron-doped nickel-vanadium hydroxide microspheres (Fe-doped NiV HMS) were synthesized and exhibited excellent electrocatalytic performance.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

Synergistic effect of Mn doping and hollow structure boosting Mn-CoP/Co2P nanotubes as efficient bifunctional electrocatalyst for overall water splitting

Fan Tang et al.

Summary: This study successfully designed Mn-CoP/Co2P nanotubes (Mn-CP NTs) by introducing manganese doping and a hollow structure into Co-based transition metal phosphide catalysts. The Mn-CP NTs exhibited excellent catalytic activity and stability in electrochemical water splitting.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

Ultrafine cobalt molybdenum phosphide nanoparticles embedded in crosslinked nitrogen-doped carbon nanofiber as efficient bifunctional catalyst for overall water splitting

Tingting Huang et al.

Summary: In this study, a composite of cobalt molybdenum phosphide nanoparticles embedded in crosslinked nitrogen-doped carbon nanofiber was successfully synthesized, which exhibited excellent performance and stability as a catalyst in water splitting. This research provides a promising method for preparing carbon-based TMPs materials towards electrocatalysis.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Review Chemistry, Multidisciplinary

Strategies and Perspectives to Catch the Missing Pieces in Energy-Efficient Hydrogen Evolution Reaction in Alkaline Media

Sengeni Anantharaj et al.

Summary: Transition metal hydroxides and their heterostructures have been identified as highly active electrocatalysts for hydrogen evolution reaction in alkaline water electrolysis. The lattice hydroxide anions in metal hydroxides enhance the catalytic activity, but their poor electronic conductivity has been a concern. Advancements in heterostructured hydroxide materials with metallic and/or semiconducting phases have overcome this limitation, making them essential for energy-efficient alkaline HER.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Synthesis of 3D heterostructure Co-doped Fe2P electrocatalyst for overall seawater electrolysis

Shaohua Wang et al.

Summary: The study presents a novel three-dimensional metal phosphide electrocatalyst (Co-Fe2P) deposited on Ni foam for seawater electrolysis, showing enhanced electrocatalytic properties for both the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). Density functional theory calculations demonstrated the beneficial effect of CoFe2P on HER due to its suitable H* adsorption, with the potential for application in efficient electrolysis of seawater.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

Rational design of core-shell-structured CoPx@FeOOH for efficient seawater electrolysis

Libo Wu et al.

Summary: The core-shell-structured CoPx@FeOOH catalyst designed for seawater electrolysis for hydrogen generation demonstrates excellent catalytic activity, high conductivity, large surface area, improved turnover frequency, optimal absorption energy to OER intermediates, enhanced chemical stability, and corrosion resistance. The CoPx||CoPx@FeOOH pair also shows great promise for fuel-gas production from seawater, with high Faradaic efficiency and low overpotentials required for certain current densities.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Electrochemistry

Self-supported amorphous nickel-iron phosphorusoxides hollow spheres on Ni-Fe foam for highly efficient overall water splitting

Shiwei Song et al.

Summary: A hollow nanosphere with amorphous nickel-iron phosphorusoxides nanoflakes layer grown on Ni-Fe foam was successfully synthesized in this study, showing improved catalytic performance in hydrogen and oxygen evolution reactions. NiFe-POx/NFF exhibited outstanding catalytic property, low cell voltage, and extended durability under alkaline medium, making it a promising bifunctional electrocatalyst for overall water splitting.

ELECTROCHIMICA ACTA (2021)

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Article Chemistry, Physical

Ultrathin Silicon Oxide Overlayers Enable Selective Oxygen Evolution from Acidic and Unbuffered pH-Neutral Seawater

Amar A. Bhardwaj et al.

Summary: The study demonstrates that ultrathin silicon oxide (SiOx) overlayers on model platinum anodes effectively suppress chlorine evolution reaction (CER) in the presence of chloride ions, while still allowing oxygen evolution reaction (OER) to occur.

ACS CATALYSIS (2021)

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Article Chemistry, Physical

Zr-doped CoFe-layered double hydroxides for highly efficient seawater electrolysis

Wenjun Liu et al.

Summary: The Zr-doped layered double hydroxide on nickel foam was designed to enhance the bifunctional activities of electrocatalysts, showing superior OER and HER activities in 1M KOH and alkaline simulated seawater electrolyte. The CoFeZr/NF provides a new pathway for large-scale hydrogen production, with almost no attenuation when tested in alkaline seawater electrolyte compared to 1.0 M KOH.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Chemistry, Physical

Porous CoP/Co2P heterostructure for efficient hydrogen evolution and application in magnesium/seawater battery

Guangbo Liu et al.

Summary: The novel porous CoP/Co2P heterostructure electrode exhibits superior hydrogen evolution activity in various media and shows promising performance as a cathode material in Mg/seawater batteries. The high specific surface area and large active interfaces of the electrode contribute to the low polarization of the cathodic HER, resulting in improved battery performance.

JOURNAL OF POWER SOURCES (2021)

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Review Chemistry, Physical

The Fe Effect: A review unveiling the critical roles of Fe in enhancing OER activity of Ni and Co based catalysts

Sengeni Anantharaj et al.

Summary: This article discusses the critical role of Fe in Ni/Co-based OECs in the oxygen evolution reaction, highlighting several contradictory conclusions found in the research. It emphasizes the importance of understanding the Fe effect for efficient hydrogen generation in alkaline medium.

NANO ENERGY (2021)

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Article Chemistry, Physical

Facile synthesis of flower-like P-doped nickel-iron disulfide microspheres as advanced electrocatalysts for the oxygen evolution reaction

Dongwook Lim et al.

Summary: This study successfully prepared 3D hierarchical flower-like P-doped Ni-Fe disulfide microspheres through a simple method, showing outstanding oxygen evolution reaction performance and excellent long-term stability in alkaline media.

JOURNAL OF POWER SOURCES (2021)

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Article Chemistry, Physical

Boron-modified cobalt iron layered double hydroxides for high efficiency seawater oxidation

Libo Wu et al.

Summary: A novel hierarchical nanosheet-nanoflake-structured B-Co2Fe LDH catalyst has been developed with excellent OER catalytic activity, stability, and corrosion resistance in seawater electrolysis, showing promising potential for selective seawater oxidation.

NANO ENERGY (2021)

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Article Chemistry, Physical

The Pitfalls of Using Potentiodynamic Polarization Curves for Tafel Analysis in Electrocatalytic Water Splitting

Sengeni Anantharaj et al.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Physical

S-doped nickel-iron hydroxides synthesized by room-temperature electrochemical activation for efficient oxygen evolution

Ya-Nan Zhou et al.

Summary: Anion doping with S in NiFe-based layered double hydroxide catalysts was synthesized through a novel electrochemical activation strategy, leading to enhanced oxygen evolution reaction performance. This work demonstrates the significant potential of anion doping for catalyst design and optimization.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Review Chemistry, Multidisciplinary

Improving the performance stability of direct seawater electrolysis: from catalyst design to electrode engineering

Weiran Zheng et al.

Summary: Direct seawater electrolysis offers a new opportunity to reduce the cost of hydrogen production, but challenges in long-term performance stability must be addressed. Common causes of performance decline during seawater electrolysis are discussed, along with ongoing efforts in counter-measurements such as electrocatalyst optimization and cell design. The need for a consensus on evaluating the stability of seawater electrolysis is emphasized.

NANOSCALE (2021)

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Review Chemistry, Multidisciplinary

Rational design of oxygen evolution reaction catalysts for seawater electrolysis

Fanghao Zhang et al.

Summary: This review discusses the challenges and strategies for improving the efficiency and stability of seawater electrolysis, focusing on the design of OER catalysts. Various approaches such as constructing 3D hierarchical porous structures, using protective layers, and controlling surface wettability are recommended to synthesize efficient and stable OER catalysts. Additionally, the perspective of designing high-performance catalysts for seawater electrolysis is also provided.

TRENDS IN CHEMISTRY (2021)

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Article Chemistry, Physical

NixFeyN@C microsheet arrays on Ni foam as an efficient and durable electrocatalyst for electrolytic splitting of alkaline seawater

Boran Wang et al.

Summary: The study investigates the use of self-supported nickel-iron nitride microsheet arrays coated with carbon as an electrocatalyst for splitting alkaline seawater. The results show that the catalyst exhibits superior durability and efficient electrolysis performance, making it a promising candidate for hydrogen production from seawater electrolysis.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Review Chemistry, Multidisciplinary

Advances in hydrogen production from electrocatalytic seawater splitting

Cheng Wang et al.

Summary: Seawater is a promising electrolyte for industrial hydrogen production and refining of edible salt. Efficient and stable electrocatalysts are essential for water electrolysis, leading to significant achievements in recent years.

NANOSCALE (2021)

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Review Chemistry, Physical

Seawater electrocatalysis: activity and selectivity

Sakila Khatun et al.

Summary: Seawater is considered a major hydrogen reservoir, but the presence of multielements and interference in electrochemistry, particularly chlorine chemistry, make electrocatalytic water splitting challenging. To achieve sustainable seawater electrolysis, focus should not only on electrocatalyst activity but also on selective oxygen evolution reaction to suppress corrosive chlorine chemistry.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Review Chemistry, Physical

Seawater electrocatalysis: activity and selectivity

Sakila Khatun et al.

Summary: Seawater is considered a major hydrogen reservoir, but the presence of multiple elements and interference in electrochemistry, especially chlorine chemistry, make seawater electrolysis challenging. To make seawater electrolysis sustainable, efficient oxygen evolution reaction and suppression of corrosive chlorine chemistry by electrocatalysts are highly desirable.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Review Chemistry, Physical

Developments and Perspectives in 3d Transition-Metal-Based Electrocatalysts for Neutral and Near-Neutral Water Electrolysis

Sengeni Anantharaj et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Electrochemistry

Engineering vanadium phosphide by iron doping as bifunctional electrocatalyst for overall water splitting

Na Suo et al.

ELECTROCHIMICA ACTA (2020)

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Review Chemistry, Multidisciplinary

Amorphous Catalysts and Electrochemical Water Splitting: An Untold Story of Harmony

Sengeni Anantharaj et al.

SMALL (2020)

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Review Energy & Fuels

Electrolysis of low-grade and saline surface water

Wenming Tong et al.

NATURE ENERGY (2020)

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Article Chemistry, Physical

Self-Assembly of Two-Dimensional Bimetallic Nickel-Cobalt Phosphate Nanoplates into One-Dimensional Porous Chainlike Architecture for Efficient Oxygen Evolution Reaction

Ni Luh Wulan Septiani et al.

CHEMISTRY OF MATERIALS (2020)

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Article Chemistry, Physical

Sulfur and selenium doped nickel chalcogenides as efficient and stable electrocatalysts for hydrogen evolution reaction: The importance of the dopant atoms in and beneath the surface

Tengyi Liu et al.

NANO ENERGY (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 Chemistry, Physical

Stable complete seawater electrolysis by using interfacial chloride ion blocking layer on catalyst surface

Amol R. Jadhav et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Article Chemistry, Multidisciplinary

Ultrafast room-temperature synthesis of porous S-doped Ni/Fe (oxy)hydroxide electrodes for oxygen evolution catalysis in seawater splitting

Luo Yu et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Efficient direct seawater electrolysers using selective alkaline NiFe-LDH as OER catalyst in asymmetric electrolyte feeds

Soeren Dresp et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

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Article Multidisciplinary Sciences

Solar-driven, highly sustained splitting of seawater into hydrogen and oxygen fuels

Yun Kuang et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2019)

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Article Chemistry, Physical

Direct Electrolytic Splitting of Seawater: Opportunities and Challenges

Soeren Dresp et al.

ACS ENERGY LETTERS (2019)

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Article Chemistry, Multidisciplinary

Se-Doping Activates FeOOH for Cost-Effective and Efficient Electrochemical Water Oxidation

Shuai Niu et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Nanoscience & Nanotechnology

P-Doped Iron-Nickel Sulfide Nanosheet Arrays for Highly Efficient Overall Water Splitting

Caichi Liu et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Energy & Fuels

Decoupled hydrogen and oxygen evolution by a two-step electrochemical-chemical cycle for efficient overall water splitting

Hen Dotan et al.

NATURE ENERGY (2019)

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Article Multidisciplinary Sciences

Non-noble metal-nitride based electrocatalysts for high-performance alkaline seawater electrolysis

Luo Yu et al.

NATURE COMMUNICATIONS (2019)

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Article Chemistry, Multidisciplinary

Ni-Fe Phosphate/Ni Foam Electrode: Facile Hydrothermal Synthesis and Ultralong Oxygen Evolution Reaction Durability

Xiaolei Li et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2019)

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Article Chemistry, Multidisciplinary

Highly Efficient Hydrogen Evolution from a Mesoporous Hybrid of Nickel Phosphide Nanoparticles Anchored on Cobalt Phosphosulfide/Phosphide Nanosheet Arrays

Jingying Sun et al.

SMALL (2019)

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Article Chemistry, Physical

S-Doped MoP Nanoporous Layer Toward High-Efficiency Hydrogen Evolution in pH-Universal Electrolyte

Kun Liang et al.

ACS CATALYSIS (2019)

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Article Nanoscience & Nanotechnology

Metal-Organic Framework-Derived Hierarchical (Co,Ni)Se2@NiFe LDH Hollow Nanocages for Enhanced Oxygen Evolution

Jian-Gang Li et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Physical

Featherlike NiCoP Holey Nanoarrys for Efficient and Stable Seawater Splitting

Qingliang Lv et al.

ACS APPLIED ENERGY MATERIALS (2019)

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Article Chemistry, Physical

Multiple modulations of pyrite nickel sulfides via metal heteroatom doping engineering for boosting alkaline and neutral hydrogen evolution

Lingyou Zeng et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

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Article Nanoscience & Nanotechnology

Engineering NiS/Ni2P Heterostructures for Efficient Electrocatalytic Water Splitting

Xin Xiao et al.

ACS APPLIED MATERIALS & INTERFACES (2018)

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Article Chemistry, Multidisciplinary

A Permselective CeOx Coating To Improve the Stability of Oxygen Evolution Electrocatalysts

Keisuke Obata et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

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Article Chemistry, Multidisciplinary

Anodic Hydrazine Oxidation Assists Energy-Efficient Hydrogen Evolution over a Bifunctional Cobalt Perselenide Nanosheet Electrode

Jun-Ye Zhang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

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Article Chemistry, Multidisciplinary

Cathodic electrochemical activation of Co3O4 nanoarrays: a smart strategy to significantly boost the hydrogen evolution activity

Li Yang et al.

CHEMICAL COMMUNICATIONS (2018)

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Article Chemistry, Multidisciplinary

A sea-change: manganese doped nickel/nickel oxide electrocatalysts for hydrogen generation from seawater

Xunyu Lu et al.

ENERGY & ENVIRONMENTAL SCIENCE (2018)

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Article Chemistry, Analytical

Measurement of competition between oxygen evolution and chlorine evolution using rotating ring-disk electrode voltammetry

J. G. Vos et al.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2018)

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Article Chemistry, Multidisciplinary

MnOx/IrOx as Selective Oxygen Evolution Electrocatalyst in Acidic Chloride Solution

Johannes G. Vos et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

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Article Multidisciplinary Sciences

Effects of chloride ions on corrosion of ductile iron and carbon steel in soil environments

Yarong Song et al.

SCIENTIFIC REPORTS (2017)

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Review Chemistry, Multidisciplinary

Selectivity between Oxygen and Chlorine Evolution in the Chlor-Alkali and Chlorate Processes

Rasmus K. B. Karlsson et al.

CHEMICAL REVIEWS (2016)

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Article Chemistry, Multidisciplinary

Design Criteria, Operating Conditions, and Nickel-Iron Hydroxide Catalyst Materials for Selective Seawater Electrolysis

Fabio Dionigi et al.

CHEMSUSCHEM (2016)

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Article Electrochemistry

Robust and stable ruthenium alloy electrocatalysts for hydrogen evolution by seawater splitting

Xiaoman Niu et al.

ELECTROCHIMICA ACTA (2016)

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Article Chemistry, Physical

Efficient and Stable Photoelectrochemical Seawater Splitting with TiO2@g-C3N4 Nanorod Arrays Decorated by Co-Pi

Yuangang Li et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2015)

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Article Multidisciplinary Sciences

Ultrathin platinum nanowires grown on single-layered nickel hydroxide with high hydrogen evolution activity

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NATURE COMMUNICATIONS (2015)

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Opportunities and challenges for a sustainable energy future

Steven Chu et al.

NATURE (2012)

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Article Environmental Sciences

Formation of hazardous inorganic by-products during electrolysis of seawater as a disinfection process for desalination

Byung Soo Oh et al.

SCIENCE OF THE TOTAL ENVIRONMENT (2010)

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Rethinking Water Splitting

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SCIENCE (2009)

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Article Multidisciplinary Sciences

Sustainable hydrogen production

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SCIENCE (2004)

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S-modified NiFe-phosphate hierarchical hollow microspheres for efficient industrial-level seawater electrolysis

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