POWER STORAGE ELEMENT AND COLLECTOR

PROBLEM TO BE SOLVED: To provide a power storage element having an easy-to-process collector in a constitution having plural electrode bodies.SOLUTION: A power storage element 10 comprises a positive electrode terminal 200, plural electrode bodies, and a positive electrode collector 120 for electrically connecting the positive electrode terminal 200 and the plural electrode bodies. The positive electrode collector 120 comprises a first terminal side arranging part 121 arranged on the positive electrode terminal 200 side, and an electrode side arranging part 122 connected to the first terminal side arranging part 121 and arranged on the plural electrode body sides. The electrode side arranging part 122 has: a first electrode body connection part 122a connected to a first electrode body 141 among the plural electrodes; a second electrode body connection part 122b connected to a second electrode body 142 different from the first electrode body 141 among the plural electrode bodies; and a first coupling part 122g for coupling an end of the first electrode body connection part 122a opposite to the first terminal side arranging part 121 with an end of the second electrode body connection part 122b opposite to the first terminal side arranging part 121. 【課題】複数の電極体を有する構成において、加工が容易な集電体を備える蓄電素子を提供する。【解決手段】正極端子２００と、複数の電極体と、正極端子２００及び複数の電極体を電気的に接続する正極集電体１２０とを備える蓄電素子１０であって、正極集電体１２０は、正極端子２００側に配置される第一端子側配置部１２１と、第一端子側配置部１２１に接続され複数の電極体側に配置される電極側配置部１２２とを備え、電極側配置部１２２は、複数の電極体のうちの第一電極体１４１に接続される第一電極体接続部１２２ａと、複数の電極体のうちの第一電極体１４１とは異なる第二電極体１４２に接続される第二電極体接続部１２２ｂと、第一電極体接続部１２２ａの第一端子側配置部１２１とは反対側の端部と、第二電極体接続部１２２ｂの第一端子側配置部１２１とは反対側の端部とを繋ぐ第一繋ぎ部１２２ｇとを有する。【選択図】図４