Title:
電気化学的電池用電流遮断器
Document Type and Number:
Japanese Patent JP4391016
Kind Code:
B2
Abstract:
A current interrupt assembly for electrochemical cells is disclosed. The current interrupter assembly may be a self-contained, sealed unit which may be separately inserted into the cell during cell construction. Several current interrupt assemblies may be inserted in the cell. The current interrupter assembly has particular utility for thin rechargeable cells and when inserted in the cell forms a portion of the electrical pathway between a cell electrode and corresponding terminal. The current interrupt mechanism comprises a thin thermally responsive member preferably comprising a disk of a shape memory metal alloy having a curved surface. When cell temperature exceeds a predetermined value the disk deflects to cause a break in the electrical pathway within the assembly. The assembly may include therein a flexible electrically conductive member which forms a part of the electrical pathway within the assembly and which is physically responsive to deflection of the thermally responsive member. The assembly may also include a pressure actuated diaphragm which may form a portion of the assembly housing. When the cell internal pressure exceeds a predetermined level the diaphragm deflects causing a break in the electrical pathway within the assembly, thereby shutting down the cell.
Inventors:
William, T. McHugh
Lucian, P. Fontaine
Viet, H. Boo
Jane A. Brush
Reynold, Cantab
Lucian, P. Fontaine
Viet, H. Boo
Jane A. Brush
Reynold, Cantab
Application Number:
JP2000508150A
Publication Date:
December 24, 2009
Filing Date:
August 19, 1998
Export Citation:
Assignee:
The Gillette Company
International Classes:
H01H37/32; H01H9/02; H01H37/04; H01H37/52; H01M50/574; H01H35/34; H01H37/54
Domestic Patent References:
| JP2001519085A | ||||
| JP2001519086A | ||||
| JP2001514435A | ||||
| JP2000508469A | ||||
| JP2000508468A | ||||
| JP11224578A | ||||
| JP10321103A | ||||
| JP10074500A | ||||
| JP9134714A | ||||
| JP9129214A | ||||
| JP9106804A | ||||
| JP9106803A | ||||
| JP9045310A | ||||
| JP8293301A | ||||
| JP8185849A | ||||
| JP8102331A | ||||
| JP8064197A | ||||
| JP7320711A | ||||
| JP7201365A | ||||
| JP5234614A | ||||
| JP2237437A | ||||
| JP2087935A | ||||
| JP64023727A |
Foreign References:
| EP0651411A1 | ||||
| US5268664 | ||||
| WO1995000993A1 |
Attorney, Agent or Firm:
Kenji Yoshitake
Hidetoshi Tachibana
Yasukazu Sato
Hiroshi Yoshimoto
Yasushi Kawasaki
Kazuo Sato
Hidetoshi Tachibana
Yasukazu Sato
Hiroshi Yoshimoto
Yasushi Kawasaki
Kazuo Sato