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Absolute Local Quantification of Li as Function of State-of-Charge in All-Solid-State Li Batteries via 2D MeV Ion-Beam Analysis
https://repo.qst.go.jp/records/83657
https://repo.qst.go.jp/records/83657da5c5a70-c836-4e50-a231-0852941b98ee
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-06-30 | |||||
タイトル | ||||||
タイトル | Absolute Local Quantification of Li as Function of State-of-Charge in All-Solid-State Li Batteries via 2D MeV Ion-Beam Analysis | |||||
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 | |||||
著者 |
Sören, Möller
× Sören, Möller× Satoh, Takahiro× Ishii, Yasuyuki× Britta, Teßmer× Guerdelli, Rayan× Kamiya, Tomihiro× Fujita, Kazuhisa× Suzuki, Kota× Kato, Yoshiaki× Hans-Dieter, Wiemhöfer× Mima, Kunioki× Finsterbusch, Martin× Takahiro, Satoh× Yasuyuki, Ishii× Tomihiro, Kamiya× Kota, Suzuki× Kato, Yoshiaki× Kunioki, Mima |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Direct observation of the lithiation and de-lithiation in lithium batteries on the component and microstructural scale is still difficult. This work presents recent advances in MeV ion-beam analysis, enabling quantitative contact-free analysis of the spatially-resolved lithium content and state-of-charge (SoC) in all-solid-state lithium batteries via 3 MeV proton-based characteristic x-ray and gamma-ray emission analysis. The analysis is demonstrated on cross-sections of ceramic and polymer all-solid-state cells with LLZO and MEEP/LIBOB solid electrolytes. Different SoC are measured ex-situ and one polymer-based operando cell is charged at 333 K during analysis. The data unambiguously show the migration of lithium upon charging. Quantitative lithium concentrations are obtained by taking the physical and material aspects of the mixed cathodes into account. This quantitative lithium determination as a function of SoC gives insight into irreversible degradation phenomena of all-solid-state batteries during the first cycles and locations of immobile lithium. The determined SoC matches the electrochemical characterization within uncertainties. The presented analysis method thus opens up a completely new access to the SoC of battery cells not depending on electrochemical measurements. Automated beam scanning and data-analysis algorithms enable a 2D quantitative Li and SoC mapping on the μm-scale, not accessible with other methods. | |||||
書誌情報 |
Batteries 巻 7, 号 2, p. 41, 発行日 2021-06 |
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出版者 | ||||||
出版者 | Molecular Diversity Preservation International | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2313-0105 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.3390/batteries7020041 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.3390/batteries7020041 |