<i>In situ</i> electronic redistribution of NiCoZnP/NF heterostructure <i>via</i> Fe-doping for boosting hydrazine oxidation and hydrogen evolution

Shi, Tongtong; Gao, Bo; Meng, Haoyu; Fu, Yumo; Kong, Delong; Ren, Penghui; Fu, Haiyang; Feng, Zhongbao

doi:10.1039/d4gc00309h

Green Chem.

2024

DOI: 10.1039/d4gc00309h

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In situ electronic redistribution of NiCoZnP/NF heterostructure via Fe-doping for boosting hydrazine oxidation and hydrogen evolution

Tongtong Shi,

Bo Gao,

Haoyu Meng

et al.

Abstract: Water splitting coupling with hydrazine oxidation reaction (HzOR) is a remarkably important strategy for H2 production but still remains challenge. Herein, a Fe-doped Ni2P-Co2P-Zn3P2 heterogeneous electrocatalyst with nanoneedle-assembled nanosphere structure...

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Cited by 11 publications

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Modulation of Charge Redistribution in Heterogeneous CoSe‐Ni_0.95Se Coupling with Ti₃C₂T_x MXene for Hydrazine‐Assisted Water Splitting

Feng,

Meng,

et al. 2024

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Integrating abundant dual sites of hydrazine oxidation reaction (HzOR) and hydrogen evolution reaction (HER) into one catalyst is extremely urgent toward energy‐saving H2 production. Herein, CoSe‐Ni0.95Se heterostructure coupling with Ti3C2Tx MXene (CoSe‐Ni0.95Se/MXene) is fabricated on nickel foam (NF) to enhance the catalytic performance. The heterogeneous CoSe‐Ni0.95Se and MXene coupling effect can change the coordination of Ni and Co, resulting in adjusted interfacial electronic field and enhanced electron transfer from Ni0.95Se to CoSe especially near MXene surface. Also, the appearance of MXene can anchor more active sites, thereby abundant nucleophilic CoSe and electrophilic Ni0.95Se are formed induced by the charge redistribution, which can tailor d‐band center, moderate *H adsorption free energy (∆GH*) and facilitate adsorption/desorption for hydrazine intermediates, contributing to much enhanced HER and HzOR performance. For example, the low potentials of −160.8 and 116.1 mV at 400 mA cm−2 are seen for HER and HzOR with long‐term stability of 7 days. When assembled as overall hydrazine splitting (OHzS), a small cell voltage of 0.35 V to drive 100 mA cm−2 is obtained. Such concept of integrating abundant nucleophilic and electrophilic dual sites and regulating their d‐band centers can offer in‐depth understandings to design efficient bifunctional HER and HzOR electrocatalysts.

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Modulation of Charge Redistribution in Heterogeneous CoSe‐Ni_0.95Se Coupling with Ti₃C₂T_x MXene for Hydrazine‐Assisted Water Splitting

Feng,

Meng,

et al. 2024

Small

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Bifunctional amorphous high entropy materials for sensitive nitrite detection and efficient oxygen evolution reaction electrocatalysis

Chen,

Zhu

et al. 2024

Chemical Engineering Journal

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Improvement in electrochemical performance of SrTiO3 with rGO via composite (SrTiO3/rGO) strategy fabricated via solvothermal approach

Rubab,

Alyousef,

Alrowaily

et al. 2024

Ceramics International

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In situ electronic redistribution of NiCoZnP/NF heterostructure via Fe-doping for boosting hydrazine oxidation and hydrogen evolution

Abstract: Water splitting coupling with hydrazine oxidation reaction (HzOR) is a remarkably important strategy for H2 production but still remains challenge. Herein, a Fe-doped Ni2P-Co2P-Zn3P2 heterogeneous electrocatalyst with nanoneedle-assembled nanosphere structure...

Cited by 11 publications

References 52 publications

Modulation of Charge Redistribution in Heterogeneous CoSe‐Ni_0.95Se Coupling with Ti₃C₂T_x MXene for Hydrazine‐Assisted Water Splitting

Modulation of Charge Redistribution in Heterogeneous CoSe‐Ni_0.95Se Coupling with Ti₃C₂T_x MXene for Hydrazine‐Assisted Water Splitting

Bifunctional amorphous high entropy materials for sensitive nitrite detection and efficient oxygen evolution reaction electrocatalysis

Improvement in electrochemical performance of SrTiO3 with rGO via composite (SrTiO3/rGO) strategy fabricated via solvothermal approach

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In situ electronic redistribution of NiCoZnP/NF heterostructure via Fe-doping for boosting hydrazine oxidation and hydrogen evolution

Abstract: Water splitting coupling with hydrazine oxidation reaction (HzOR) is a remarkably important strategy for H2 production but still remains challenge. Herein, a Fe-doped Ni2P-Co2P-Zn3P2 heterogeneous electrocatalyst with nanoneedle-assembled nanosphere structure...

Cited by 11 publications

References 52 publications

Modulation of Charge Redistribution in Heterogeneous CoSe‐Ni0.95Se Coupling with Ti3C2Tx MXene for Hydrazine‐Assisted Water Splitting

Modulation of Charge Redistribution in Heterogeneous CoSe‐Ni0.95Se Coupling with Ti3C2Tx MXene for Hydrazine‐Assisted Water Splitting

Bifunctional amorphous high entropy materials for sensitive nitrite detection and efficient oxygen evolution reaction electrocatalysis

Improvement in electrochemical performance of SrTiO3 with rGO via composite (SrTiO3/rGO) strategy fabricated via solvothermal approach

Contact Info

Product

Resources

About

Modulation of Charge Redistribution in Heterogeneous CoSe‐Ni_0.95Se Coupling with Ti₃C₂T_x MXene for Hydrazine‐Assisted Water Splitting

Modulation of Charge Redistribution in Heterogeneous CoSe‐Ni_0.95Se Coupling with Ti₃C₂T_x MXene for Hydrazine‐Assisted Water Splitting