Tightly confined tellurium nanocrystals in few-layer expanded graphite with Te-C bonds toward highly reversible zinc storage

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成果类型：

期刊论文

作者：

Yang, Hengyu;Liang, Yongle;Niu, Fengjun;Zhang, Huaijun;Xu, Guobao;...

通讯作者：

Yang, LW

作者机构：

[Liang, Yongle; Zhang, Huaijun; Yang, Liwen; Yang, Hengyu; Niu, Fengjun] Xiangtan Univ, Sch Phys & Optoelect, Xiangtan 411105, Hunan, Peoples R China.

[Xu, Guobao] Xiangtan Univ, Sch Mat Sci & Engn, Xiangtan 411105, Hunan, Peoples R China.

[Wei, Xiaolin] Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421002, Peoples R China.

通讯机构：

[Yang, LW ] X

Xiangtan Univ, Sch Phys & Optoelect, Xiangtan 411105, Hunan, Peoples R China.

语种：

英文

关键词：

Ball milling;Cathodes;Graphite;Nanocrystals;Secondary batteries;Stability;Tellurium;Tellurium compounds;Zinc;Zinc compounds;Cathodes material;Cycling stability;Electronic conductivity;Expanded graphite;Ion batteries;Large volumes;Performance;Volumetric capacity;Zinc ions;Zn 2+;Charge transfer

期刊：

Applied Physics Letters

ISSN：

0003-6951

年：

2024

卷：

125

期：

页码：

023901

DOI：

10.1063/5.0209116

基金类别：

National Natural Science Foundation of China, NSFC, (11774298, 12074327, 12002294) National Natural Science Foundation of China, NSFC Science and Technology Program of Hunan Province, (2020JJ4088) Science and Technology Program of Hunan Province Xiangtan University, XTU, (CX 20190471) Xiangtan University, XTU

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本校为其他机构

院系归属：

物理与电子工程学院

摘要：

Tellurium (Te) has great potential as high-performance cathode materials for aqueous zinc-ion batteries (AZIBs) owing to high electronic conductivity and volumetric capacity. Nevertheless, its poor utilization and large volume expansion result in insufficient rate and cycle performances, thereby, impeding practical application. Herein, a kind of Te/carbon composite was prepared via a ball-milling method, in which Te nanocrystals were tightly confined in few-layer expanded graphite (EG) with Te-C bonds (denoted as Te@EG). In addition to maintain...

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Tightly confined tellurium nanocrystals in few-layer expanded graphite with Te-C bonds toward highly reversible zinc storage

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