About YAO TAKESHI
About OKANO HIROSHI
About TAKAI SHIGEOMI
About IWAI TAICHI
About secondary battery
About lead-acid battery
About battery
About electrode material
About improvement
About gold electrode
About Graphite
About polypropylene
About energy density
About endurance test
About local cell
About collector
About highly functionalized
About graphite
About endurance test
About Secondary batteries
About 二次電池
About 現状
About 開発
About 動向
About 鉛蓄電池