BINDER PRODUCT FOR SECONDARY BATTERY

Provided is a binder product for a secondary battery that has a low tendency for aggregation to occur in a binder composition and enables formation of a functional layer having excellent adhesiveness using the binder composition even after long-term storage. The binder product includes a container h...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SHINTANI, Akihiro
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Provided is a binder product for a secondary battery that has a low tendency for aggregation to occur in a binder composition and enables formation of a functional layer having excellent adhesiveness using the binder composition even after long-term storage. The binder product includes a container having an accommodating part and a binder composition accommodated in an internal space of the accommodating part. An inner wall surface of the accommodating part has a contact angle with water of 80° or more. The binder composition contains a binder, a defoamer, and water and has a content of the defoamer of not less than 0.02 parts by mass and not more than 0.3 parts by mass per 100 parts by mass of the binder. The binder composition has a surface tension of not less than 20 mN/m and not more than 60 mN/m.