Highly active Fe_7S_8 encapsulated in N-doped hollow carbon nanofibers for high-rate sodium-ion batteries

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成果类型：

期刊论文

作者：

Zhang, Chengzhi;Wei, Donghai;Wang, Fei;Zhang, Guanhua*;Duan, Junfei;...

通讯作者：

Zhang, Guanhua;Han, Fei;Liu, Jinshui

作者机构：

[Han, Fei; Wang, Fei; Zhang, Chengzhi; Liu, Jinshui] Hunan Univ, Coll Mat Sci & Engn, Hunan Prov Key Lab Adv Carbon Mat & Appl Technol, Changsha 410082, Hunan, Peoples R China.

[Han, Fei; Zhang, Guanhua; Duan, Huigao; Wei, Donghai; Zhang, GH; Han, F; Liu, JS] Hunan Univ, Coll Mech & Vehicle Engn, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China.

[Wei, Donghai; Duan, Junfei] Changsha Univ Sci & Technol, Sch Mat Sci & Engn, Changsha 410004, Hunan, Peoples R China.

通讯机构：

[Zhang, GH; Han, F; Liu, JS] H

Hunan Univ, Coll Mech & Vehicle Engn, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China.

语种：

英文

关键词：

Anodes;Carbon nanofibers;Doping (additives);Electrolytes;Metal ions;Pyrites;Sodium compounds;Sulfur compounds;Swelling;Chemical-bath deposition;Experimental analysis;Intrinsic electronics;Rate capabilities;Sluggish kinetics;Sulfidation treatment;Theoretical calculations;Theoretical capacity;Sodium-ion batteries

期刊：

能源化学(英文)

ISSN：

2095-4956

年：

2021

卷：

期：

页码：

26-35

DOI：

10.1016/j.jechem.2020.05.011

基金类别：

We gratefully acknowledge the financial support from the National Natural Science Foundation of China (Grant No. 51702095), Natural Science Foundation of Hunan Province, China (Grant No. 2018JJ3041, 2018JJ3042) and the funding of State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body in Hunan University (No. 51965010). We gratefully acknowledge the financial support from the National Natural Science Foundation of China (Grant No. 51702095 ), Natural Science Foundation of Hunan Province, China (Grant No. 2018JJ3041 , 2018JJ3042 ) and the funding of State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body in Hunan University (No. 51965010 ).

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本校为其他机构

院系归属：

材料科学与工程学院

摘要：

Nanostructured iron sulfides are regarded as a potential anode material for sodium-ion batteries in virtue of the rich natural abundance and remarkable theoretical capacity. However, poor rate performance and inferior cycling stability caused by sluggish kinetics and volume swelling represent two main obstacles at present. The previous research mainly focuses on nanostructure design and/or hybridizing with conductive materials. Further boosting the property by adjusting Fe/S atomic ratio in iron sulfides is rarely reported. In this work, Fe7S8 ...

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Highly active Fe_7S_8 encapsulated in N-doped hollow carbon nanofibers for high-rate sodium-ion batteries

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