公开(公告)号：US20170040612A1

公开(公告)日：2017-02-09

申请号：US15305521

申请日：2015-04-21

申请人： WAKO PURE CHEMICAL INDUSTRIES, LTD. ,  TOKYO UNIVERSITY OF SCIENCE FOUNDATION

发明人： Shinichi Komaba ,  Kiyofumi Yamagiwa ,  Shoko Aoki ,  Kuniaki Okamoto ,  Takahiro Kiyosu ,  Yasuyoshi Mori ,  Takatoshi Matsuura ,  Michihiko Sato

IPC分类号： H01M4/62 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/134 ,  H01M4/587

CPC分类号： H01M4/622 ,  C08F220/06 ,  C08F220/18 ,  C08F220/56 ,  H01M4/134 ,  H01M4/36 ,  H01M4/38 ,  H01M4/386 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  C08F220/20 ,  C08F216/125 ,  C08F220/54 ,  C08F2220/286 ,  C08F2220/1841 ,  C08F220/24

摘要： It is an object of the present invention to provide an electrode having superior charge-discharge capacity, even in the case of using an active material containing silicon.The present invention relates to “a binder for a lithium cell comprises a polymer having a monomer unit derived from acrylic acid, and 1 to 2 kinds of monomer units derived from the compound shown by the general formula (I), the general formula (II), or the general formula (III), as constituents, and cross-linked by a cross-linking agent selected from the compounds described by the following general formulae [1] to [13], and the polymer described by the following general formula [14]”, “a composition for producing an electrode of a lithium cell comprising 1) an active material containing silicon, 2) a conductive assistant, and 3) the above-described binder for a cell”, and “an electrode for a lithium cell having 1) an active material containing silicon, 2) a conductive assistant, 3) the above-described binder for a cell, and (4) a current collector”.

摘要翻译： 本发明涉及“锂电池用粘合剂”，其具有来自丙烯酸的单体单元的聚合物和由通式（I），通式（II）表示的化合物衍生的1〜2种单体单元， ）或通式（III）作为组分，并且通过选自以下通式[1]至[13]所述的化合物的交联剂交联，并且由以下通式 [14]“，”锂电池电极的制造用组合物，其包含1）含有硅的活性物质，2）导电助剂，以及3）上述电池用粘合剂“，” 锂电池，其具有1）含硅的活性物质，2）导电助剂，3）上述电池用粘结剂，（4）集电体。

公开(公告)号：US10854881B2

公开(公告)日：2020-12-01

申请号：US15305521

申请日：2015-04-21

申请人： FUJIFILM WAKO PURE CHEMICAL CORPORATION ,  TOKYO UNIVERSITY OF SCIENCE FOUNDATION

发明人： Shinichi Komaba ,  Kiyofumi Yamagiwa ,  Shoko Aoki ,  Kuniaki Okamoto ,  Takahiro Kiyosu ,  Yasuyoshi Mori ,  Takatoshi Matsuura ,  Michihiko Sato

IPC分类号： H01M4/62 ,  H01M4/134 ,  H01M4/587 ,  C08F220/56 ,  H01M4/36 ,  H01M4/38 ,  C08F220/18 ,  C08F220/06 ,  H01M10/0525

摘要： It is an object of the present invention to provide an electrode having superior charge-discharge capacity, even in the case of using an active material containing silicon.The present invention relates to “a binder for a lithium cell comprises a polymer having a monomer unit derived from acrylic acid, and 1 to 2 kinds of monomer units derived from the compound shown by the general formula (I), the general formula (II), or the general formula (III), as constituents, and cross-linked by a cross-linking agent selected from the compounds described by the following general formulae [1] to [13], and the polymer described by the following general formula [14]”, “a composition for producing an electrode of a lithium cell comprising 1) an active material containing silicon, 2) a conductive assistant, and 3) the above-described binder for a cell”, and “an electrode for a lithium cell having 1) an active material containing silicon, 2) a conductive assistant, 3) the above-described binder for a cell, and (4) a current collector”.