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首页> 外国专利> A copolymer a method for manufacturing the same a polymer binder for a silicon anode including the same a silicon anode including the polymer binder for the silicon anode and a lithium ion battery including the silicon anode

A copolymer a method for manufacturing the same a polymer binder for a silicon anode including the same a silicon anode including the polymer binder for the silicon anode and a lithium ion battery including the silicon anode

机译：一种用于制造具有相同硅阳极的聚合物粘合剂的制造方法，该方法包括与硅阳极的聚合物粘合剂的硅阳极以及包括硅阳极的锂离子电池的相同硅阳极

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The present invention relates to a copolymer, a method for producing the same, a polymer binder for a silicone negative electrode comprising the same, a silicone negative electrode including the polymer binder for a silicone negative electrode, and a lithium ion battery including the silicon negative electrode, and more particularly, furfuryl By mixing amine-modified polyacrylic acid with bismaleimide and polymerizing by Diels-Alder reaction to form a copolymer, it has excellent self-healing properties and can alleviate the volume change of the silicone negative electrode when applied as a binder for silicone negative electrode. In addition, it has a three-dimensional network structure, so it has excellent physical stability, and when applied as a binder for a silicon negative electrode, mechanical properties and adhesion can be improved by strong bonding with silicon particles. On the other hand, the silicon negative electrode according to the present invention can significantly improve the capacity, coulombic efficiency, and lifespan characteristics of the battery by including a polymer binder having excellent self-healing properties and mechanical properties.
机译：共聚物，一种制备方法，其涉及相同的方法，用于包含相同的硅氧烷负极的聚合物粘合剂，包括用于硅氧烷负极的聚合物粘合剂的硅氧烷负极，以及包括硅负极的锂离子电池电极，更具体地，通过将​​胺改性的聚丙烯酸与双聚酰亚胺混合并通过Diels-Alder反应聚合形成共聚物，具有优异的自愈合性能，并且可以减轻硅氧烷负极的体积变化用于硅氧烷负极的粘合剂。另外，它具有三维网络结构，因此它具有优异的物理稳定性，并且当作为硅负极的粘合剂施加时，通过与硅颗粒的强键合可以改善机械性能和粘附。另一方面，根据本发明的硅负极可以通过包括具有优异的自愈合性能和机械性能的聚合物粘合剂显着提高电池的容量，库仑效率和寿命特性。

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