Improving bifunctional catalytic activity of biochar via in-situ growth of nickel-iron hydroxide as cathodic catalyst for zinc-air batteries

Pengxiang Zhang; Kang Sun; Yanyan Liu; Benji Zhou; Shuqi Li; Jingjing Zhou; Ao Wang; Lixia Xie; Baojun Li; Jianchun Jiang

doi:10.1007/s42773-023-00259-1

Biochar ›› 2023, Vol. 5 ›› Issue (1) : 0. DOI: 10.1007/s42773-023-00259-1

Original Research

Improving bifunctional catalytic activity of biochar via in-situ growth of nickel-iron hydroxide as cathodic catalyst for zinc-air batteries

Pengxiang Zhang¹^,² ,
Kang Sun³ ,
Yanyan Liu¹^,²^,³^,^c ,
Benji Zhou² ,
Shuqi Li¹ ,
Jingjing Zhou¹ ,
Ao Wang³ ,
Lixia Xie¹ ,
Baojun Li² ,
Jianchun Jiang³

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Abstract

•	Heteroatom-doped wood-derived biochar was assisted in situ growth of NiFe-LDH.
•	NiFe-LDH@NC exhibited excellent bifunctional activity and stability toward ORR/OER.
•	The ZAB achieved a peak power density of 123 mW cm⁻² and a cycling stability of 270 h.

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Pengxiang Zhang, Kang Sun, Yanyan Liu, Benji Zhou, Shuqi Li, Jingjing Zhou, Ao Wang, Lixia Xie, Baojun Li, Jianchun Jiang. Improving bifunctional catalytic activity of biochar via in-situ growth of nickel-iron hydroxide as cathodic catalyst for zinc-air batteries. Biochar, 2023, 5(1): 0 https://doi.org/10.1007/s42773-023-00259-1

Funding

Jiangsu Province Key Laboratory of Biomass Energy and Materials(JSBEM-S-202101); Young Top Talent Program of Zhongyuan-Yingcai-Jihua; Top-Notch Talent Program of Henan Agricultural University(30501034); National Natural Science Foundation of China(31901272)