MANUFACTURING METHOD OF SOLID ELECTROLYTE LAYER

To provide a manufacturing method of a solid electrolyte layer difficult to cause a crack.SOLUTION: A manufacturing method of a solid electrolyte layer includes: a step of preparing an organic filler with an aspect ratio of 150 to 500; a step of preparing a solid electrolyte composition containing a...

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1. Verfasser: HIRAMOTO NATSUMI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a manufacturing method of a solid electrolyte layer difficult to cause a crack.SOLUTION: A manufacturing method of a solid electrolyte layer includes: a step of preparing an organic filler with an aspect ratio of 150 to 500; a step of preparing a solid electrolyte composition containing an inorganic solid electrolyte and the organic filler, with a content of the organic filler in a total solid of 5 vol.% or more; and a step of forming a solid electrolyte layer using the solid electrolyte composition. A ratio (D50/d) of a median size D50 of the organic filler in the solid electrolyte layer to an average length d of the organic filler before contained in the solid electrolyte composition is 1 to 5.SELECTED DRAWING: None 【課題】割れ難い固体電解質層の製造方法を提供する。【解決手段】アスペクト比が150以上500以下の有機フィラーを準備する工程と、無機固体電解質と、前記有機フィラーとを含み、全固形分中の前記有機フィラーの含有量が5体積%以上である固体電解質組成物を調製する工程と、前記固体電解質組成物を用いて固体電解質層を形成する工程とを有し、前記固体電解質組成物に含有させる前の前記有機フィラーの平均長さdに対する、前記固体電解質層中の前記有機フィラーのメジアン径D50の比(D50/d)が1以上5以下であることを特徴とする、固体電解質層の製造方法。【選択図】なし