An electrode active material for a power storage device of the invention includes a ketone compound that includes a ring structure in a molecule, the ring structure being a five-membered or seven-membered ring composed of atoms at least three adjacent ones of which are each bonded to a ketone group. The electrode active material for a power storage device of the invention has a high weight-energy density and good reversibility of oxidation-reduction reaction. The use of the electrode active material for a power storage device of the invention can provide a power storage device having a high capacity, a high voltage, and good charge/discharge cycle characteristics.
本发明的电力储存设备的电极活性材料包括一种
酮类化合物,该
酮类化合物包括分子中的环结构,该环结构是由至少三个相邻的原子组成的五元环或七元环,每个原子都与一个酮基结合。本发明的电力储存设备的电极活性材料具有高重量能量密度和良好的氧化还原反应可逆性。使用本发明的电力储存设备的电极活性材料可以提供具有高容量、高电压和良好的充放电循环特性的电力储存设备。