Highly active electrocatalyst for rechargeable Zn-air battery: 3D Fe/N-based honeycomb-like carbon

被引：13

作者：

Han, Sancan ^{[1
]}

Ding, Yuanpeng ^{[1
]}

Qian, Qingren ^{[1
]}

Ruan, Lingyang ^{[1
]}

Wang, Xiaohan ^{[1
]}

Zhu, Yufang ^{[2
,3
]}

Zhu, Min ^{[1
]}

机构：

[1] Univ Shanghai Sci & Technol, Sch Mat Sci & Engn, 516 Jungong Rd, Shanghai 200093, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

[3] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

来源：

VACUUM | 2021年 / 188卷

基金：

中国国家自然科学基金;

关键词：

3D interconnected Fe-NPC catalysts; Oxygen reaction reduction; Oxygen evolution reaction; Rechargeable metal-air batteries; OXYGEN REDUCTION REACTION; BIFUNCTIONAL ELECTROCATALYST; METAL-CATALYSTS; EVOLUTION; NANOPARTICLES; ENERGY; OER;

D O I：

10.1016/j.vacuum.2021.110201

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Remarkable bifunctional electrocatalysts for oxygen reaction reduction (ORR) and oxygen evolution reaction (OER) are the key for rechargeable metal-air batteries. In this work, a novel 3D Fe/N-based honeycomb-like carbon with uniformly-distributed active centers were synthesized by agarose and FeCl3 as the precursor, which display excellent ORR performance with large diffusion-limited current density (?7.5 mA cm-2) and Tafel slope (?88 mV/dev), significantly superior to the commercial Pt/C electrode. In addition, Fe-NPC-1000 as cathode catalyst in Zn-air battery owns higher power density and charge-discharge stability in comparison with commercial Pt/C catalyst, which shows excellent potential in the realistic application of energy devices.

引用

页数：9

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