Biomaterial-derived porous carbon doped with heteroatoms as a separator coating for high-energy–density Zn-I batteries

Shanshuai Chen; Liu Tian; Xiaoqiang Feng; Huanyu Bao; Hongliang Wang

doi:10.1007/s42773-024-00399-y

Biochar ›› 2024, Vol. 6 ›› Issue (1) : 99 DOI: 10.1007/s42773-024-00399-y

Original Research

Biomaterial-derived porous carbon doped with heteroatoms as a separator coating for high-energy–density Zn-I batteries

Shanshuai Chen ¹^,²
, Liu Tian ¹^,²
, Xiaoqiang Feng ¹^,²
, Huanyu Bao ¹^,²^,^d
, Hongliang Wang ³^,^e

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Abstract

1.	The N, P functionalized porous carbon was synthesized through the carbonization of biomass.
2.	The functional separator facilitated rapid iodine reduction and evolution, and enhanced ion diffusion kinetics.
3.	Electrochemical experiments indicated that the shuttling of polyiodide was effectively confined.
4.	The separator with biochar coating delivered admirable cyclic stability at high iodine loading.

Keywords

Phytic acid / Chitin / Biochar / Zinc-iodine battery

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Shanshuai Chen, Liu Tian, Xiaoqiang Feng, Huanyu Bao, Hongliang Wang. Biomaterial-derived porous carbon doped with heteroatoms as a separator coating for high-energy–density Zn-I batteries. Biochar, 2024, 6(1): 99 DOI:10.1007/s42773-024-00399-y