It is possible to form a secondary cell having excellent charge-discharge cycle properties and to improve dispersibility of the active substance and the auxiliary conductor and pliability and close adhesion of the electrodes by using a composition for forming a secondary cell electrode that comprises at least one of an electrode active substance (A) and a carbon material (B) that serves as an auxiliary conductor, a water-soluble additive (C) that is a water-soluble additive formed from carbon atoms, oxygen atoms, and hydrogen atoms and that has 2 to 20 oxygen atoms per 1 molecule, and water (D).
通过使用一种用于形成二次电池电极的组合物,可以形成具有优异充放电循环特性的二次电池,并提高活性物质和辅助导体的分散性以及电极的柔韧性和紧密附着性。该组合物由电极活性物质(A)和作为辅助导体的碳材料(B)、
水溶性添加剂(C)(由碳原子、氧原子和氢原子组成且每 1 个分子中含有 2 至 20 个氧原子的
水溶性添加剂)中的至少一种以及
水(D)组成。