Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Strategies and Challenge of Thick Electrodes for Energy Storage: A Review

Junsheng Zheng
* ,
Guangguang Xing
,
Liming Jin
* ORCID logo ,
Yanyan Lu
,
Nan Qin
,
Shansong Gao
,
Jim P Zheng
Version 1 : Received: 18 December 2022 / Approved: 23 December 2022 / Online: 23 December 2022 (03:09:50 CET)

A peer-reviewed article of this Preprint also exists.

Zheng, J.; Xing, G.; Jin, L.; Lu, Y.; Qin, N.; Gao, S.; Zheng, J.P. Strategies and Challenge of Thick Electrodes for Energy Storage: A Review. Batteries 2023, 9, 151. https://doi.org/10.3390/batteries9030151 Zheng, J.; Xing, G.; Jin, L.; Lu, Y.; Qin, N.; Gao, S.; Zheng, J.P. Strategies and Challenge of Thick Electrodes for Energy Storage: A Review. Batteries 2023, 9, 151. https://doi.org/10.3390/batteries9030151

Abstract

In past years, lithium-ion batteries (LIBs) can be found in every aspect of life, and batteries, as energy storage systems (ESSs), need to offer electric vehicles (EVs) more competition to be accepted in markets for automobiles. Thick electrode design could reduce the use of non-active materials in batteries that its energy density would be improved and its cost would be cut. However, thick electrodes are limited by their weak mechanical stability and poor electrochemical performance, these limitations could be classified as the critical cracking thickness (CCT) and the limited penetration depth (LPD). The understanding of the CCT and the LPD have been proposed and the recent works on breaking the CCT and improving the LPD are listed in this article. By comprising these attempts, some thick electrodes could not offer higher mass loading or higher accessible areal capacity that would defeat the purpose.

Keywords

thick electrodes; critical cracking thickness; limited penetration depth; mass loading; area capacity

Subject

Chemistry and Materials Science, Electrochemistry

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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