Enax, Inc.

Nisshin Steel Co., Ltd.

Yasunori Ozawa

Kazunori Ozawa

Norimasa Miura

Katsunari Norita

Norihiro Kon

Katsumi Kawai

Yoshie Yoshida

Kiyoko Abe

Masashi Akiba

Taro Ueno

Setsuko Koura

Yusuke Honma

Disclosed is a sheet-type secondary battery having: a laminated sheath () including an inner layer () made of a thermoplastic resin and a metal layer (); and electrode terminals (), each of which is connected electrically to an internal electrode pair () and passes through a heat seal portion () of the laminated sheath () in a hermetic manner so as to be led out externally. The sheath () and electrode terminal () are bonded with a bonding resin () at portion () in which terminal () is interposed. The inner layer () of the sheath () opposed to the terminal () has an excess resin receiving portion () formed thereon for receiving an excess resin in a heat sealing process. The portion () is not formed in a heat seal portion (P) at which the inner layers () of the laminated sheaths () are bonded.

Sheet-type secondary battery and method of manufacturing same

Growing community of inventors

Yonezawa, Japan

Yasunori Ozawa