SECONDARY CELL

WIPO Patent Application WO/2012/014510

A1

A secondary cell is provided with an electrode group that is charged with and discharges electricity, a can that has an opening and houses the electrode group therein, a lid that is welded to the opening of the can and seals the opening, a positive-electrode connection member and a negative-electrode connection member that each have one end electrically connected to the electrode group and the other end passing through the lid and protruding to the outside of the lid, and a positive-electrode external terminal and a negative-electrode external terminal that are respectively connected to the positive-electrode connection member and the negative-electrode connection member by caulking on the outside of the lid. In each of the positive-electrode connection member and the negative-electrode connection member, a caulked portion the diameter of which is enlarged is formed on the outside of the lid, and in the caulked portion, thin sections which can be laser spot welded are locally formed, and the thin sections are laser spot welded.

JP6365562	Secondary battery
WO/1994/029908	DIFFUSION VENT FOR A RECHARGEABLE METAL-AIR CELL
JP2014075330	POWER STORAGE DEVICE

AOTA KINYA (JP)
FUJITA TOSHIRO (JP)
SHIBANUMA HIDEYUKI (JP)

PCT/JP2011/053971

February 02, 2012

February 23, 2011

Click for automatic bibliography generation  

HITACHI VEHICLE ENERGY LTD (JP)
AOTA KINYA (JP)
FUJITA TOSHIRO (JP)
SHIBANUMA HIDEYUKI (JP)

H01M50/176; H01M50/55; H01M50/553; H01M50/564; H01M50/566

JP2009283256A	2009-12-03
JP2009087693A	2009-04-23
JP2009110885A	2009-05-21
JP2010033766A	2010-02-12
JP2004014173A	2004-01-15

NAGAI, Fuyuki (JP)
Fuyuki Nagai (JP)

View/Download PDF      PDF Help

Previous Patent: UNAUTHORIZED ACCESS BLOCKING CONTROL METHOD

Next Patent: MEMORY MANAGEMENT METHOD, MEMORY MANAGEMENT PROGRAM, AND COMPUTATION DEVICE