Ionic Liquid Dopant Induced Abundant Ni-Vacancies in N, B, F Tri-Doped NiSe2/Mo2CTx Stabilizing of Single-Atom Ru for Efficient Hydrogen Evolution Reactions and Flexible Zn-Air Batteries

被引：5

作者：

Yi, Mingjie ^{[1
]}

Zhang, Xueting ^{[1
]}

Chen, Yimai ^{[1
]}

Wang, Hao ^{[1
]}

Xie, Lin ^{[1
]}

Huang, Xianglong ^{[2
]}

Zhu, Zhenye ^{[1
]}

Zhang, Jiaheng ^{[1
]}

机构：

[1] Harbin Inst Technol, State Key Lab Adv Welding & Joining, Shenzhen 518055, Guangdong, Peoples R China

[2] Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Sichuan 610054, Peoples R China

来源：

ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2023年 / 11卷 / 09期

基金：

中国国家自然科学基金;

关键词：

ionic liquid; nickel vacancies; single-atom Ru; hydrogen evolution reaction; flexible Zn-air batteries; ELECTROCATALYST; OXYGEN;

D O I：

10.1021/acssuschemeng.2c06607

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cation vacancies are essential for stabilizing single atoms, but there is relatively little research on how to generate large numbers of cation vacancies. In this study, we present a method for doping transition metal compounds (NiSe2) loaded on Mo2CTx with heteroatoms. Ionic liquids were used to create cationic vacancies in NiSe2 to successfully stabilize a dense Ru single-atom (Ru/NBF-NiSe2/Mo2CTx), which exhibited overpotentials of 30 and 39 mV in acidic and alkaline solutions at a current density of 10 mA cm(-2). What is more, Ru/NBF-NiSe2/Mo2CTx had the lowest overpotential (1.558 V) in the OER test at a current density of 10 mA cm(-2) and a high half-wave potential (0.912 V) in the ORR test at 1600 rpm. It also has excellent performance when constructed into Zn-air batteries. This design provides a simple technique for creating cationic vacancies to stabilize single atoms in transition-metal compounds.

引用

页码：3687 / 3701

页数：15

共 2 条

[1] Single-atom Pt decorated in heteroatom (N, B, and F)-doped ReS2 Grown on Mo2CTx for efficient pH-universal hydrogen evolution reaction and flexible Zn-air batteries
Yi, Mingjie
Li, Na
Lu, Beibei
Li, Lin
Zhu, Zhenye
Zhang, Jiaheng
ENERGY STORAGE MATERIALS, 2021, 42 : 418 - 429
[2] Ionic liquid meets ZnIn2S4: Synergistically tuning coordination environment of ZnIn2S4 grown on porous carbon by N, F doping and S-vacancies to load high concentration of single-atom Sb for efficient flexible Zn-Air batteries
Yi, Mingjie
Lv, Shuanghui
Yang, Qin
Lei, Song
Wang, Hao
Huang, Jianhui
Zhang, Jiaheng
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY, 2025, 361

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