Disclosed is an electrode comprising a polymeric material containing or being composed of subunits according to general formulae (I) and (II)
wherein in these structures (I) and (II) n is an integer not smaller than 2, Y represents an amide group (-NH-CO- or -CO-NH-), an ester group (-O-CO- or -CO-O-) or a urethane group (-NH-CO-O- or -O-CO-NH-), R1, R2, R3 and R4 each independently represent H, alkyl (preferably-CH3, -C2H5), alkoxy-(preferably -OCH3, -OC2H5), -halogen or -CN, Ar1 and Ar4 independently represent a bridging aryl group, Ar2 and Ar3 independently represent a non-bridging aryl group, and R5 is a bridging alkyl or aryl group. Further, a Lithium-ion battery and a supercapacitor with such an electrode and the use of said polymeric material as electrode active material in the electrode of a battery or in the electrode of a supercapacitor and/or as an electrode binder is disclosed.
本发明公开了一种电极,它包含一种聚合物材料,该材料含有或由符合通式 (I) 和 (II) 的亚基组成
其中在这些结构(I)和(II)中,n 是不小于 2 的整数,Y 代表酰胺基(-NH-CO- 或 -CO-NH-)、酯基(-O-CO- 或 -CO-O-)或
氨基甲酸酯基(-NH-CO-O- 或 -O-CO-NH-),R1、R2、R3 和 R4 各自独立地代表 H、烷基(优选-
CH3、-
C2H5)、烷氧基(优选-O 、-O )、-卤素或-CN,Ar1 和 Ar4 各自独立地代表桥接芳基,Ar2 和 Ar3 各自独立地代表非桥接芳基,R5 是桥接烷基或芳基。此外,还公开了具有这种电极的
锂离子电池和超级电容器,以及在电池电极或超级电容器电极中使用所述聚合物材料作为电极活性材料和/或作为电极粘合剂。