申请人:Wako Pure Chemical Industries, Ltd.
公开号:EP3136483A1
公开(公告)日:2017-03-01
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".
本发明的目的是提供一种即使在使用含硅的活性材料的情况下也具有优异充放电容量的电极。
本发明涉及 "一种用于锂电池的粘结剂,该粘结剂包括一种聚合物,该聚合物具有从丙烯酸衍生的单体单元,以及 1 至 2 种从通式(I)、通式(II)或通式(III)所示化合物衍生的单体单元作为成分,并通过从以下通式[1]至[13]所述化合物中选出的交联剂交联、和通式[14]所述的聚合物"、"一种用于生产锂电池电极的组合物,包括 1) 含硅的活性材料、2) 导电助剂和 3) 上述电池用粘合剂",以及 "一种锂电池电极,具有 1) 含硅的活性材料、2) 导电助剂、3) 上述电池用粘合剂和 (4) 集流器"。