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1.发明公开公开(公告)号：US20230257333A1
公开(公告)日：2023-08-17
申请号：US18135938
申请日：2023-04-18
发明人： Daisuke KARUBE , Kenta NISHIMURA , Yuuki SUZUKI , Tsubasa NAKAUE , Yoshichika KUROKI , Michiaki OKADA
摘要： The present disclosure provides a method for producing a composition comprising a purified fluorine-containing ether compound represented by formula (1): CHX1X2CF2OX3, wherein X1 and X2 are the same or different and each represents a hydrogen atom, a fluorine atom, or a trifluoromethyl group, and X3 represents a C1-6 alkyl group, provided that not both X1 and X2 are trifluoromethyl groups.
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2.发明公开公开(公告)号：US20240282968A1
公开(公告)日：2024-08-22
申请号：US18617997
申请日：2024-03-27
发明人： Taketo KATO , Takaya YAMADA , Kohei YASUDA , Taku YAMANAKA , Junpei TERADA , Masahiko YAMADA , Ryota USAMI , Hiroyuki SATO , Emi YAMAMOTO , Kenta NISHIMURA
CPC分类号： H01M4/623 , C08L27/18 , H01M4/13 , C08L2201/50
摘要： The disclosure aims to provide a polytetrafluoroethylene powder for an electrode binder which can not only reduce or prevent gas generation inside a battery cell and deterioration of battery characteristics but also improve the electrode strength, an electrode binder, an electrode mixture, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene powder for use as an electrode binder, the polytetrafluoroethylene having a standard specific gravity of 2.200 or less and being substantially free from water.
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