Disclosed is a polyradical compound which can be used as an electrode active material for at least one of a positive electrode and a negative electrode. The polyradical compound has a repeating unit represented by general formula (1) and is crosslinked using a bifunctional crosslinking agent having two polymerizing groups in the molecule represented by general formula (2), wherein R1 to R3 each independently represent hydrogen or methyl group; R4 to R7 each independently represent C1 to C3 alkyl group; X represents single bond, linear, branched or cyclic C1 to C15 alkylenedioxy group, alkylene group, phenylenedioxy group, phenylene group or structure represented by general formula (3); and R8 to R13 each independently represent hydrogen or methyl group, and k represents an integer of 2 to 5.
本发明公开了一种可用作正极和负极中至少一个电极活性材料的多辐射化合物。该多辐射化合物具有通式(1)表示的重复单元,并使用通式(2)表示的分子中具有两个聚合基团的双官能团
交联剂进行交联,其中 R1 至 R3 各自独立地代表氢或甲基;R4 至 R7 各自独立地代表 C1 至 C3 烷基;X 代表单键、线性、支链或环状 C1 至 C15 亚烷基二氧基、亚烷基、亚苯基、亚苯基或通式 (3) 所代表的结构;以及 R8 至 R13 各自独立地代表氢或甲基,且 k 代表 2 至 5 的整数。