Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
ISSN-L : 1348-6535
Feature: Cutting edge research on electroceramics, 2020: Full papers
Surface-supporting method of micropad deposition onto LiCoO2 epitaxial thin films to improve high C-rate performance
Sou YASUHARAShintaro YASUITakashi TERANISHITakuya HOSHINATakaaki TSURUMIMitsuru ITOH
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ジャーナル オープンアクセス

2021 年 129 巻 7 号 p. 415-418

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High-speed rechargeable Li ion batteries are in strong demand. Two methods have been reported to improve the high-speed rechargeability of electrodes: reducing particle size and introducing a surface support. However, the effectiveness of the latter could not be directly compared among reports due particle size differences from study to study. Our previous report revealed that Li+ motion under high-speed charge–discharge conditions is accelerated around a surface-supporting material, an electrode, and an electrolyte interface. In this study, we prepared epitaxial LiCoO2 thin films with micropads of various kinds of materials and evaluated the high-speed rechargeability of each.

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© 2021 The Ceramic Society of Japan

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