Structural design of biomass-derived hard carbon anode materials for superior sodium storage via increasing crystalline cellulose and closing the open pores

Author:

Li Xiaoying1,Zhang Sijing1,Tang Jingjing1ORCID,Yang Juan1,Wen Kang2,Wang Jiong2,Wang Peng3,Zhou Xiangyang1,Zhang Yaguang1

Affiliation:

1. School of Metallurgy and Environment, Central South University, Changsha 410083, Hunan, China

2. Chenyu-Fuji New Energy Technology Company Limited, Changsha 410083, Hunan, China

3. Dali Chenyu Energy Storage New Material Company Limited, DaLi 671000, Yunan, China

Abstract

Through the two-step acid treatment and two-stage heat treatment method proposed in this study, the properties of almond shells were efficiently modulated and transformed into hard carbon materials rich in closed pores and oxygen-containing groups.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Hunan Province

Major Science and Technology Projects in Yunnan Province

Publisher

Royal Society of Chemistry (RSC)

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