SOLID ELECTROLYTE FOR ALL-SOLID BATTERY AND MANUFACTURING METHOD OF THE SAME

To provide a solid electrolyte for an all-solid battery, in which water proofness is improved.SOLUTION: A solid electrolyte for an all-solid battery contains: a sulfide-based solid electrolyte; and a water absorption substance containing LiBr. In an XPS measurement, a peak apex is observed at a bind...

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Bibliographic Details
Main Authors MAEDA HIDEYUKI, SUGANO RYOJI, NARIMATSU EIICHIRO, HORI SATOSHI, MATSUBARA KEIKO
Format Patent
LanguageEnglish
Japanese
Published 11.11.2022
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:To provide a solid electrolyte for an all-solid battery, in which water proofness is improved.SOLUTION: A solid electrolyte for an all-solid battery contains: a sulfide-based solid electrolyte; and a water absorption substance containing LiBr. In an XPS measurement, a peak apex is observed at a binding energy of Li1s of 54.2 eV or more and 56.1 eV or less, and a peak apex is observed at a binding energy of Br3d of 67.5 eV or more and 69.5 eV or less.SELECTED DRAWING: Figure 1 【課題】耐水性が向上した全固体電池用固体電解質を提供することを目的とする。【解決手段】本発明の全固体電池用固体電解質は、硫化物系固体電解質と、ＬｉＢｒを含む吸水性物質と、を含み、ＸＰＳ測定において、Ｌｉ１ｓの結合エネルギーが５４．２ｅＶ以上５６．１ｅＶ以下にピーク頂点が観察され、Ｂｒ３ｄの結合エネルギーが６７．５ｅＶ以上６９．５ｅＶ以下でピーク頂点が観察される。【選択図】図１
Bibliography:Application Number: JP20210077607