Electrospun nanofibers of Co<sub>3</sub>O<sub>4</sub> nanocrystals encapsulated in cyclized-polyacrylonitrile for lithium storage-Reference-Cited by-同舟云学术

Electrospun nanofibers of Co₃O₄ nanocrystals encapsulated in cyclized-polyacrylonitrile for lithium storage

Published:2022-01-01 Issue:1 Volume:11 Page:945-956
ISSN:2191-9097
Container-title:Nanotechnology Reviews
language:en
Short-container-title:

Author:

He Qiming¹²,Xiang Gaoqiang¹,He Chengen²³,Lai Qi¹,Yang Yingkui¹²

Affiliation:

1. Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities , Wuhan 430074 , China

2. Graphene R&D Center, Guangdong Xigu Tanyuan New Materials Corporation Limited, South-Central University for Nationalities , Foshan 528000 , China

3. State Key Laboratory of New Textile Materials and Advanced Processing Technology, School of Materials Science and Engineering, Wuhan Textile University , Wuhan 430200 , China

Abstract

Abstract The coupling of metal oxide nanoparticles and electrochemically active polymers has been considered as an effective way to improve the lithium storage performance of individual electrode materials. This work reports an electrospinning process followed by thermal annealing to produce composite nanofibers of cyclized-polyacrylonitrile (cPAN) containing Co3O4 nanoparticles (cPAN/Co3O4). The as-prepared cPAN/Co3O4 nanofiber exhibits a porous nanostructure with an average diameter of 85 nm. When used for lithium-ion battery, the cPAN/Co3O4 anode delivers a reversible specific capacity as high as 997.6 mA h g−1 at 0.1 A g−1, and still maintains 396.5 mA h g−1 at 1.0 A g−1. Meanwhile, the cPAN/Co3O4 anode shows good cycling stability with a retention of 81% capacity after running 50 cycles at 0.1 A g−1. The electrochemical performance of cPAN/Co3O4 significantly outperforms its individual counterparts of cPAN and Co3O4.

Publisher

Walter de Gruyter GmbH

Subject

Surfaces, Coatings and Films,Process Chemistry and Technology,Energy Engineering and Power Technology,Biomaterials,Medicine (miscellaneous),Biotechnology

Link

https://www.degruyter.com/document/doi/10.1515/ntrev-2022-0057/pdf

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