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  1. 30 理工学研究科・理工学部(含:旧鉱山・工学資源学部)
  2. 30A 学術誌論文
  3. 30A1 雑誌掲載論文

Effect of Prelithiation Process for Hard Carbon Negative Electrode on the Rate and Cycling Behaviors of Lithium-Ion Batteries

http://hdl.handle.net/10295/00005792
http://hdl.handle.net/10295/00005792
d22169df-9f3a-4f2c-b2bd-be8f10ea6157
名前 / ファイル ライセンス アクション
riA_2021_1.pdf riA_2021_1 (4.3 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2021-11-12
タイトル
タイトル Effect of Prelithiation Process for Hard Carbon Negative Electrode on the Rate and Cycling Behaviors of Lithium-Ion Batteries
言語 en
言語
言語 eng
主題
主題Scheme Other
主題 lithium-ion battery
主題
主題Scheme Other
主題 prelithiation
主題
主題Scheme Other
主題 negative electrode
主題
主題Scheme Other
主題 hard carbon
主題
主題Scheme Other
主題 irreversible capacity
主題
主題Scheme Other
主題 solid electrolyte interphase
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
作成者 Abe, Yusuke

× Abe, Yusuke

en Abe, Yusuke

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Saito, Tomoaki

× Saito, Tomoaki

en Saito, Tomoaki

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Kumagai, Seiji

× Kumagai, Seiji

en Kumagai, Seiji

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内容記述
内容記述タイプ Abstract
内容記述 Two prelithiation processes (shallow Li-ion insertion, and thrice-repeated deep Li-ion insertion and extraction) were applied to the hard carbon (HC) negative electrode (NE) used in lithium-ion batteries (LIBs). LIB full-cells were assembled using Li(Ni0.5Co0.2Mn0.3)O2 positive electrodes (PEs) and the prelithiated HC NEs. The assembled full-cells were charged and discharged under a low current density, increasing current densities in a stepwise manner, and then constant under a high current density. The prelithiation process of shallow Li-ion insertion resulted in the high Coulombic efficiency (CE) of the full-cell at the initial charge-discharge cycles as well as in a superior rate capability. The prelithiation process of thrice-repeated Li-ion insertion and extraction attained an even higher CE and a high charge-discharge specific capacity under a low current density. However, both prelithiation processes decreased the capacity retention during charge-discharge cycling under a high current density, ascertaining a trade-off relationship between the increased CE and the cycling performance. Further elimination of the irreversible capacity of the HC NE was responsible for the higher utilization of both the PE and NE, attaining higher initial performances, but allowing the larger capacity to fade throughout charge-discharge cycling.
言語 en
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
書誌情報 Batteries

巻 4, 号 4, p. 71, 発行日 2018
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 2313-0105
出版者
出版者 MDPI
関連情報
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 https://doi.org/10.3390/batteries4040071
権利情報
権利情報 © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
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