| Patent Number |
Title Of Patent |
Date Issued |
| 7060386 |
Nonaqueous electrolyte solution secondary battery |
June 13, 2006 |
| A nonaqueous electrolyte secondary battery which can reliably perform a current cut-off operation in a current cut-off state and can release a gas in a cleavage state. In the nonaqueous electrolyte secondary battery, an electrode element is held in a circularly cylindrical outer packagin |
| 6805991 |
Nonaqueous electrolyte solution secondary battery |
October 19, 2004 |
| There is provided a nonaqueous electrolyte secondary battery which can reliably perform a current cut-off operation in a current cut-off state and can release a gas in a cleavage state. In the nonaqueous electrolyte secondary battery, an electrode element is held in a circularly cyli |
| 5738952 |
Enclosed-type secondary cell |
April 14, 1998 |
| An enclosed-type secondary cell comprises a safety valve (5) made of a metal plate which is deformed with an increase of an internal pressure of the secondary cell, a current interrupting means (6) energized when said safety valve (5) is deformed, an annular gasket (15) for holding an ou |
| 5376467 |
Organic electrolyte battery |
December 27, 1994 |
| An organic electrolyte battery has a positive temperature coefficient resistor made of a resin to control and prevent overcurrent placed in electrical contact with both a sealing member of the battery can and a battery lid in a position where it is not subjected to crimping forces wh |
| 4943497 |
Cell having current cutoff valve |
July 24, 1990 |
| A cell having an explosion proof valve is disclosed, in which the valve is deformable upon increase of inner pressure of the cell to cut a connection lead which connects the valve with a generator unit contained in the cell. The supply of charging current is cut off when the inner pressu |
