Self-template assisted synthesis of N, S co-doped carbon wrapped Fe3O4/Fe7S8 heterojunction for enhanced sodium storage

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期刊论文

作者：

Xu, Chenxi;Liu, Xu;Chen, Liang*;Li, Lei;Peng, Yun;...

通讯作者：

Chen, Liang;Wang, W

作者机构：

[Xu, Chenxi] Cent South Univ Forestry & Technol, Sch Chem & Chem Engn, Changsha 410004, Peoples R China.

[Chen, Liang; Liu, Xu; Hou, Zhaohui; Wang, Wei; Peng, Yun; Zeng, Qing] Hunan Inst Sci & Technol, Sch Chem & Chem Engn, Key Lab Hunan Prov Adv Carbon Based Funct Mat, Yueyang 414006, Hunan, Peoples R China.

[Wu, Yiqiang; Li, Lei] Cent South Univ Forestry & Technol, Coll Mat Sci & Engn, Changsha 410004, Hunan, Peoples R China.

通讯机构：

[Chen, L; Wang, W ] H

Hunan Inst Sci & Technol, Sch Chem & Chem Engn, Key Lab Hunan Prov Adv Carbon Based Funct Mat, Yueyang 414006, Hunan, Peoples R China.

语种：

英文

关键词：

Annealing strategy;Fe(3)O(4)/Fe(7)S(8) heterojunction;Self−template;Sodium storage performance;Sodium−ion batteries

期刊：

Journal of Colloid and Interface Science

ISSN：

0021-9797

年：

2025

卷：

698

页码：

138052

DOI：

10.1016/j.jcis.2025.138052

基金类别：

CRediT authorship contribution statement Chenxi Xu: Writing – original draft, Validation, Software, Methodology, Investigation, acquisition. Xu Liu: Software, Methodology, Investigation, Formal analysis, Data curation. Liang Chen: Writing – review & editing, Supervision, Investigation, acquisition. Lei Li: Resources, Investigation, acquisition. Yun Peng: Methodology, Investigation, Data curation. Qing Zeng: Software, Methodology, Investigation. Wei Wang: Writing – review & editing, Project administration,

机构署名：

本校为第一机构

院系归属：

材料科学与工程学院

摘要：

Fe 3 O 4 is widely regarded as a promising anode for sodium-ion batteries (SIBs) due to its abundant availability, low cost and high theoretical capacity. However, its practical application is hindered by poor conductivity, significant volume change and slow reaction kinetics. In this work, a novel self-template assisted annealing strategy is proposed to synthesize N, S co-doped carbon wrapped Fe 3 O 4 /Fe 7 S 8 heterojunction (Fe 3 O 4 /Fe 7 S 8 @NSC). The results demonstrate that the Fe 3 O 4 /Fe 7 S 8 heterojunction is uniformly wrapped by a conductive NSC layer, forming a unique core-shell...

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Self-template assisted synthesis of N, S co-doped carbon wrapped Fe3O4/Fe7S8 heterojunction for enhanced sodium storage

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