Hierarchically nanostructured Ni2Fe2N as an efficient electrocatalyst for hydrazine oxidation reaction

Tang, Piaoping; He, Wen; Wang, Ping

doi:10.1016/j.cej.2021.134123

Cited by 25 publications

(8 citation statements)

References 69 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…9–11 In recent years, the efficiency of electrocatalytic water splitting has been improved by replacing the anodic OER with more favorable oxidation of small molecules. 12–17 Among them, the HzOR (hydrazine + 4OH − → N 2 + 4H 2 O + 4e − ) has the unique characteristic of lower theoretical potential of −0.33 V. 18–20…”

mentioning

confidence: 99%

“…[9][10][11] In recent years, the efficiency of electrocatalytic water splitting has been improved by replacing the anodic OER with more favorable oxidation of small molecules. [12][13][14][15][16][17] Among them, the HzOR (hydrazine + 4OH À -N 2 + 4H 2 O + 4e À ) has the unique characteristic of lower theoretical potential of À0.33 V. [18][19][20] The electrocatalysts of hydrazine-coupled water splitting have been widely reported. Cobalt or nickel phosphides such as CoP-Co 2 P@CC-300, Co x P@Co 3 O 4 , CoP-NWA@CP, Ni@NiP/ C, and Ni 2 P-HNTs/NF are the most common materials for the HER or HzOR due to the unique 3d electronic configuration, high conductivity and abundant reserves.…”

mentioning

confidence: 99%

See 1 more Smart Citation

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

Cen²,

et al. 2023

Chem. Commun.

View full text Add to dashboard Cite

show abstract

mentioning

confidence: 99%

mentioning

confidence: 99%

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

Cen²,

et al. 2023

Chem. Commun.

View full text Add to dashboard Cite

show abstract

“…The HzOR (N 2 H 4 + 4OH – → N 2 + 4H 2 O + 4e – ) process, which has an extremely low potential of −0.33 V vs RHE, exhibits a high application value in energy-saving water electrolyzers with lower cost and higher efficiency. − On the other hand, using HzOR to replace OER can construct a membrane-free configuration to eliminate safety concerns due to hydrogen and oxygen mixing . Thus, the challenge to driving the practicality of HzOR-assisted electrolyzers is the development of efficient and stable electrode materials.…”

Section: Introductionmentioning

confidence: 99%

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

Cheng

Tong

2023

ACS Sustainable Chem. Eng.

View full text Add to dashboard Cite

Hydrazine oxidation assisting water splitting is considered as a promising strategy toward the highly efficient and energy-saving hydrogen acquirement. However, the development of efficient and stable electrocatalysts for hydrazine hydrate oxidation (HzOR) as well as hydrogen evolution reaction (HER) still remains challenging. In this study, an interface-coupled Co(OH)2/MoS2 nanosheet array is designed to form a synergistic hierarchical heterostructure on a carbon cloth substrate, which is shown to have superior bifunctional performance for HzOR/HER under alkaline conditions. Benefiting from the abundant electrocatalytic active sites and improved reaction kinetics, 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. For the hydrazine-assisted overall water electrolyzer system (OHzS), the Co(OH)2/MoS2/CC electrode delivers low potentials of 142, 197, and 271 mV to realize 10, 50, and 100 mA cm–2, which proves the promising potential application in large-scale preparation of hydrogen fuel. This strategy put forward a simple way toward robust and economic electrodes for energy-related systems.

show abstract

“…Recently, it has been demonstrated that electrochemical reforming is a promising strategy to overcome this obstacle by replacing the OER with more favorable oxidizable reactions of small molecules, such as alcohol, hydrazine, − methanol, , glycerol, , and urea. , These electrolytes could reduce the driving voltage at the anode and are more energy efficient than conventional water splitting. For example, Sun and co-workers first proposed a water-assisted electrolysis strategy for hydrogen production based on a hydrazine oxidation reaction .…”

Section: Introductionmentioning

confidence: 99%

Replacing Oxygen Evolution with Hydrazine Borane Oxidation for Energy-Saving Electrochemical Hydrogen Production

Huang

Yang

et al. 2023

Inorg. Chem.

View full text Add to dashboard Cite

Electrochemical water splitting is a green strategy for hydrogen (H2) production but is severely hindered by the sluggish anodic oxygen evolution reaction (OER). Therefore, replacing the sluggish anodic OER with more favorable oxidation reactions is an energy-saving approach for hydrogen production. Hydrazine borane (HB, N2H4BH3) is considered a potential hydrogen storage material due to its easy preparation, nontoxicity, and high chemical stability. Furthermore, the complete electrooxidation of HB has a unique characteristic of a much lower potential compared to that of OER. All these make it an ideal alternative for energy-saving electrochemical hydrogen production, however, which has never been reported so far. Herein, HB oxidation (HBOR)-assisted overall water splitting (OWS) is proposed for the first time for energy-saving electrochemical hydrogen production. The as-synthesized NiCoP@CoFeP nanoneedle array catalyst exhibited superefficient OER, hydrogen evolution reaction (HER), and HBOR performance. Impressively, NiCoP@CoFeP serves as both anodic and cathodic electrocatalysts for HB-assisted OWS, only requires a low cell voltage of only 0.078 V to achieve a current density of 10 mA cm–2, which was 1.4 V lower than that for HB-free OWS, indicating the highly energy-saving H2 production.

show abstract

Hierarchically nanostructured Ni2Fe2N as an efficient electrocatalyst for hydrazine oxidation reaction

Cited by 25 publications

References 69 publications

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

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

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

Replacing Oxygen Evolution with Hydrazine Borane Oxidation for Energy-Saving Electrochemical Hydrogen Production

Contact Info

Product

Resources

About

Hierarchically nanostructured Ni2Fe2N as an efficient electrocatalyst for hydrazine oxidation reaction

Cited by 25 publications

References 69 publications

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

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

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

Replacing Oxygen Evolution with Hydrazine Borane Oxidation for Energy-Saving Electrochemical Hydrogen Production

Contact Info

Product

Resources

About

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

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