公开(公告)号：US20190293618A1

公开(公告)日：2019-09-26

申请号：US16436170

申请日：2019-06-10

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Ayumu FUKUOKA ,  Kazuyoshi HONDA

IPC: G01N31/22 ,  H01M10/42 ,  H01M10/48

Abstract: A battery includes a first power generating element including a first electrode layer and a first counter electrode layer, a first current collector that is in contact with the first electrode layer, a second current collector that is in contact with the first counter electrode layer, a first sealing portion that seals a gap between the first current collector and the second current collector, a first void disposed between the first sealing portion and the first power generating element, and a first gas detection unit that detects gas. The first gas detection unit detects “the gas in the first void.”