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Suppressing the effect of lithium dendritic growth by the addition of magnesium bis(trifluoromethanesulfonyl)amide
https://shinshu.repo.nii.ac.jp/records/45006
https://shinshu.repo.nii.ac.jp/records/450068594fcf8-531b-4afe-9d72-a7032f63b3d0
Item type | Journal Article(1) | |||||
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公開日 | 2020-09-04 | |||||
タイトル | ||||||
タイトル | Suppressing the effect of lithium dendritic growth by the addition of magnesium bis(trifluoromethanesulfonyl)amide | |||||
作成者(その他言語) |
Shimizu, Masahiro
× Shimizu, Masahiro× Umeki, Makoto× Arai, Susumu |
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公開者(その他言語) | ||||||
姓名 | ROYAL, SOC CHEMISTRY | |||||
書誌情報 |
PHYSICAL CHEMISTRY CHEMICAL PHYSICS 巻 20, 号 2, p. 1127-1133, 発行日 2017-12-05 |
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言語 | ||||||
言語 | eng | |||||
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 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Practical applications of Li-S and Li-air batteries require the morphology of the Li metal negative electrode during charge/discharge (i.e., Li-deposition/dissolution) cycling to be precisely controlled. Herein, we used magnesium bis(trifluoromethanesulfonyl)amide [Mg(TFSA)(2)] as an electrolyte additive to suppress the growth of Li dendrites, utilizing the occurrence of an alloying reaction between the initially substrate-deposited Mg and the subsequently deposited Li. Notably, no metallic Mg formation and no change in Li deposition morphology were observed at an electrolyte composition of 0.1 M Mg(TFSA)(2) + 0.9 M LiTFSA/triglyme, irrespective of the applied potential. In contrast, increasing the Mg salt concentration to 0.5 M resulted in the deposition of interconnected granules, reflecting a dramatic morphology improvement. X-ray diffraction analysis revealed the occurrence of the abovementioned alloying, which finally afforded a deposit composition of Li0.9Mg0.1 via the formation of an intermediate Li0.14Mg0.86 phase. Importantly, the deposits obtained under various applied potentials were relatively smooth, with no needle-like morphology observed. | |||||
日付 | ||||||
日付 | 2020-01-30 | |||||
日付タイプ | Created | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
その他の資源識別子 | ||||||
内容記述タイプ | Other | |||||
内容記述 | PHYSICAL CHEMISTRY CHEMICAL PHYSICS.20(2):1127-1133(2018) | |||||
資源識別子URI | ||||||
識別子 | http://hdl.handle.net/10091/00021824 | |||||
識別子タイプ | HDL | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1463-9076 | |||||
処理レコードID(総合目録DB) | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11301773 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1039/c7cp06057b | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |