Copper and nickel-based oxides delicately tailored via galvanic reaction as electrocatalyst for solid-state direct urea fuel cell

Article Chemistry, Physical

Hierarchical self-supported NiSe2/TiN@Ni12P5 on nickel foam for the urea oxidation reaction

Suyang Feng et al.

Summary: In this study, NiSe2/TiN@Ni12P5/NF catalysts with a stalactite structure were prepared by chemical vapor deposition for urea oxidation reaction, showing excellent activity and stability.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

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Article Engineering, Chemical

Self-Supported Nickel Phosphide Electrode for Efficient Alkaline Water-to-Hydrogen Conversion via Urea Electrolysis

Liangshuang Fei et al.

Summary: This study presents a three-dimensional nickel phosphide/nickel foam electrode prepared through low-temperature phosphorization treatment, which enhances the activity for urea oxidation reaction with a low potential requirement and satisfactory hydrogen evolution reaction performance. The two-electrode electrolyzer system with the obtained P-NF as a bifunctional electrocatalyst can deliver 10 mA cm(-2) at a cell voltage of only 1.37 V, showing remarkable operational stability.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2021)

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Article Electrochemistry

Nitrogen-doped-carbon coated FeCo modified CoFe2O4 nanoflowers heterostructure with robust stability for oxygen evolution and urea oxidation

Wei Chen et al.

Summary: The study embedded FeCo/CoFe2O4 nanoflowers in N-doped graphitic carbon (NGC) to create catalysts with superior OER and UOR performance. The catalyst showed excellent stability and high performance, providing new possibilities for water splitting applications.

ELECTROCHIMICA ACTA (2021)

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Article Chemistry, Physical

Amorphous nickel sulfoselenide for efficient electrochemical urea-assisted hydrogen production in alkaline media

Nuo Chen et al.

Summary: The study synthesized amorphous Ni sulfoselenide on the surface of Ni(OH)2 nanoplate supported by nickel foam, demonstrating high activity and durability for hydrogen evolution reaction and urea oxidation reaction in alkaline media.

NANO ENERGY (2021)

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Article Chemistry, Physical

Hybrid alkali-acid urea-nitrate fuel cell for degrading nitrogen-rich wastewater

Senthilkumar Nangan et al.

Summary: This study presents a bifunctional hybrid electrocatalyst of nitrogen-doped carbon sheets supporting Ni@NiO-Cu@CuO composites, which exhibit impressive catalytic performance and inspire the establishment of a urea-nitrate fuel cell (UNFC). The fabricated UNFC shows improved fuel cell performance and the ability to simultaneously degrade urine and nitrate. The innovative electrochemical device may pave the way for the development of renewable UNFC for simultaneous green energy generation and N-containing waste removal.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Energy & Fuels

Nickel ferrocyanide as a high-performance urea oxidation electrocatalyst

Shi-Kui Geng et al.

Summary: Researchers have found that the nickel ferrocyanide catalyst can drive the urea oxidation reaction with higher activity and stability. Moreover, the catalyst appears to operate via a different pathway, which facilitates the efficiency of ammonia production.

NATURE ENERGY (2021)

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Article Chemistry, Physical

Large-current-stable bifunctional nanoporous Fe-rich nitride electrocatalysts for highly efficient overall water and urea splitting

Fengming Cai et al.

Summary: The study introduces a bifunctional nanoporous Fe-rich nitride hybrid electrocatalyst with extraordinary catalytic activities for both oxygen evolution and urea oxidation reactions, showing impressive long-term durability at large current densities. By combining this catalyst with an efficient NiMoO4-H-2 catalyst for hydrogen evolution, the researchers achieved commercially viable current densities for overall water and urea electrolysis with outstanding long-term durability, surpassing most reported electrolyzers. This work presents a novel approach to develop multifunctional electrocatalysts using earth-abundant elements for energy-efficient hydrogen production and pollution treatment in urea-rich wastewater.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Physical

3D self-supported porous vanadium-doped nickel nitride nanosheet arrays as efficient bifunctional electrocatalysts for urea electrolysis

Rui-Qing Li et al.

Summary: In this study, V-doped Ni3N nanosheets arrays grown on nickel foam were developed as a bifunctional electrocatalyst for hydrogen evolution reaction (HER) and urea oxidation reaction (UOR). The catalyst exhibited excellent catalytic performances with low energy consumption and remarkable stability, making it promising for applications in energy-saving H-2 production and urea-related waste water treatment.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Physical

NiCo-BDC nanosheets coated with amorphous Ni-S thin film for high-efficiency oxygen evolution reaction and urea oxidation reaction

Meng Li et al.

Summary: The study presents the use of a bifunctional electrocatalyst for electrolysis to generate hydrogen, showing high activity and durability. Detailed descriptions of the current densities, reaction potentials, etc. for oxygen evolution reaction and urea oxidation reaction are provided.

FLATCHEM (2021)

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Review Thermodynamics

Nonprecious anodic catalysts for low-molecular-hydrocarbon fuel cells: Theoretical consideration and current progress

Mohammad Ali Abdelkareem et al.

PROGRESS IN ENERGY AND COMBUSTION SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Design and Synthesis of Highly Performing Bifunctional Ni-NiO- MoNi Hybrid Catalysts for Enhanced Urea Oxidation and Hydrogen Evolution Reactions

Qinglian Xu et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

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Phase-Dependent Reactivity of Nickel Molybdates for Electrocatalytic Urea Oxidation

Kailong Hu et al.

ACS APPLIED ENERGY MATERIALS (2020)

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Reduced graphene oxide supported nickel tungstate nano-composite electrocatalyst for anodic urea oxidation reaction in direct urea fuel cell

Ya Wang et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

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Electrocatalytic Properties of 3D Hierarchical Graphitic Carbon- Cobalt Nanoparticles for Urea Oxidation

Nusaybah Alotaibi et al.

ACS OMEGA (2020)

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Highly efficient urea-anodizing to promote the electrochemical nitrogen reduction process

Ying Hou et al.

CATALYSIS SCIENCE & TECHNOLOGY (2020)

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MoP@NiCo-LDH on nickel foam as bifunctional electrocatalyst for high efficiency water and urea-water electrolysis

Tuo Wang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Article Chemistry, Physical

Enhanced Electrocatalytic Activities by Substitutional Tuning of Nickel-Based Ruddlesden-Popper Catalysts for the Oxidation of Urea and Small Alcohols

Robin P. Forslund et al.

ACS CATALYSIS (2019)

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Rapid room-temperature fabrication of ultrathin Ni(OH)2 nanoflakes with abundant edge sites for efficient urea oxidation

Wenlong Yang et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2019)

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Plasmonic Photocatalysis of Urea Oxidation and Visible-Light Fuel Cells

Xingda An et al.

CHEM (2019)

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Solid solution palladium-nickel bimetallic anode catalysts by co-sputtering for direct urea fuel cells (DUFC)

Jaesik Yoon et al.

JOURNAL OF POWER SOURCES (2019)

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A Lattice-Oxygen-Involved Reaction Pathway to Boost Urea Oxidation

Longsheng Zhang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Article Chemistry, Physical

Rational modulation of N, P co-doped carbon nanotubes encapsulating Co3Fe7 alloy as bifunctional oxygen electrocatalysts for Zinc-Air batteries

Yaming Ma et al.

JOURNAL OF POWER SOURCES (2019)

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Surface dual-oxidation induced metallic copper doping into NiFe electrodes for electrocatalytic water oxidation

Yaming Ma et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

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3D Hierarchical Core-Shell Nanostructured Arrays on Carbon Fibers as Catalysts for Direct Urea Fuel Cells

N. Senthilkumar et al.

ADVANCED ENERGY MATERIALS (2018)

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A paper microfluidic fuel cell powered by urea

Isabel Chino et al.

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Recent Advances in the Electro-Oxidation of Urea for Direct Urea Fuel Cell and Urea Electrolysis

Ke Ye et al.

TOPICS IN CURRENT CHEMISTRY (2018)

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Galvanic-replacement mediated synthesis of copper-nickel nitrides as electrocatalyst for hydrogen evolution reaction

Yaming Ma et al.

JOURNAL OF MATERIALS CHEMISTRY A (2017)

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Applicable anode based on Co3O4-SrCO3 heterostructure nanorods-incorporated CNFs with low-onset potential for DUFCs

Zafar Khan Ghouri et al.

APPLIED NANOSCIENCE (2017)

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Se-Ni(OH)2-shelled vertically oriented NiSe nanowires as a superior electrocatalyst toward urea oxidation reaction of fuel cells

Chun Tang et al.

ELECTROCHIMICA ACTA (2017)

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Size Fractionation of Two-Dimensional Sub-Nanometer Thin Manganese Dioxide Crystals towards Superior Urea Electrocatalytic Conversion

Sheng Chen et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2016)

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Metallic Nickel Hydroxide Nanosheets Give Superior Electrocatalytic Oxidation of Urea for Fuel Cells

Xiaojiao Zhu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2016)

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Nanostructured LaNiO3 Perovskite Electrocatalyst for Enhanced Urea Oxidation

Robin P. Forslund et al.

ACS CATALYSIS (2016)

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Nickel-cobalt bimetallic anode catalysts for direct urea fuel cell

Wei Xu et al.

SCIENTIFIC REPORTS (2014)

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A direct urea fuel cell - power from fertiliser and waste

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ENERGY & ENVIRONMENTAL SCIENCE (2010)

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Copper and nickel-based oxides delicately tailored via galvanic reaction as electrocatalyst for solid-state direct urea fuel cell

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