Porous FeF3/MWCNTs composite cathode promoting high performance aluminum storage

Tongge Li; Haoyu Hu; Baoqiang Liang; Xiaoqi Liu; Yu Zhang; Tonghui Cai; Wei Xing; Zifeng Yan

doi:10.1039/D2CC04338F

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Porous FeF₃/MWCNTs composite cathode promoting high performance aluminum storage†

Tongge Li,

^a Haoyu Hu,^b Baoqiang Liang,^a Xiaoqi Liu,

^a Yu Zhang,

^a Tonghui Cai,

^b Wei Xing

^b and Zifeng Yan

*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, China University of Petroleum, Qingdao 266580, P. R. China
E-mail: zfyancat@upc.edu.cn

^b School of Materials Science and Engineering, China University of Petroleum, Qingdao 266580, P. R. China

Abstract

Rechargeable aluminum-ion batteries (RAIBs) attract great attention for stationary energy storage, but there remains a lack of suitable cathode materials for them. Here, a porous iron fluoride/multi wall carbon nanotube (FeF₃/MWCNTs) composite as a cathode for RAIBs shows high discharge capacity (180 mA h g⁻¹) and good rate performance, while MWCNTs play crucial roles in improving conductivity and cycle stability. Various characterizations elucidate its conversion-type mechanism, in particular, the Fe³⁺/Fe²⁺ conversion exhibits a high operating potential of 1.75 V and discharge capacity of 123 mA h g⁻¹, which is very promising for practical applications.

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Article information

DOI: https://doi.org/10.1039/D2CC04338F
Article type: Communication
Submitted: 03 Aug 2022
Accepted: 09 Nov 2022
First published: 10 Nov 2022

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Chem. Commun., 2022,58, 13495-13498

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Porous FeF₃/MWCNTs composite cathode promoting high performance aluminum storage

T. Li, H. Hu, B. Liang, X. Liu, Y. Zhang, T. Cai, W. Xing and Z. Yan, Chem. Commun., 2022, 58, 13495 DOI: 10.1039/D2CC04338F

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Chemical Communications