18730810. POWER STORAGE DEVICE (Panasonic Intellectual Property Management Co., Ltd.)
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POWER STORAGE DEVICE
Organization Name
Panasonic Intellectual Property Management Co., Ltd.
Inventor(s)
POWER STORAGE DEVICE
This abstract first appeared for US patent application 18730810 titled 'POWER STORAGE DEVICE
Original Abstract Submitted
A power storage device (battery) includes: an outer covering can in a bottomed cylindrical shape, the outer covering can accommodating an electrode body; and a sealing member that closes an opening of the outer covering can. The sealing member includes a sealing plate and a reinforcing plate that is disposed on an outer peripheral side of the sealing plate, the reinforcing plate being joined with the sealing plate at a boundary extending in a thickness direction of the sealing plate, and the reinforcing plate is made of a member having a rigidity higher than rigidity of the sealing plate.