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US 2014/0272574 A1Published application
Binder composition for rechargeable battery and rechargeable lithium battery having the same
AssigneeSamsung SDI Co., Ltd.
InventorsDongho Son, Kijun Kim, Junkyu Cha, Nari Seo
Life of this patent
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Abstract
A binder composition for a rechargeable battery, including a binder polymer having a glass transition temperature (Tg) of 20° C. or less, and having a storage modulus (60° C.) of 50-150 MPa. The binder composition according to an embodiment can improve life characteristics of the rechargeable battery by efficiently controlling expansion of a negative electrode plate.
Claims20
A rechargeable battery binder composition, comprising a binder polymer having a glass transition temperature (Tg) of 20° C. or less, wherein the rechargeable battery binder composition has a storage modulus (60° C.) of 50-150 MPa.
Dependencies are inferred from the claim text.