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Bipolar Battery and Assembly Method

United States Patent

Boram et al.

Patent Number:    5,098,801

Date of Patent:    Mar. 24, 1992

BIPOLAR BATTERY AND ASSEMBLY METHOD
Inventors: Mark E. Boram, Anderson; Roy D. Parrish, Chesterfield, both of Ind.
Assignee: General Motors Corporation, Detroit, Mich.
Appl. No.: 581,000
Filed: Sept. 12, 1990
Int. Class: H01M 10/18
U.S. Class: 429/160; 429/185; 29/623.2
Field of Search: 429/158, 159, 160, 185; 29/623.2

References Cited

U.S. PATENT DOCUMENTS
3167456 January 1965 Schilke et al. 136/10
3692587 September 1972 Vetor et al. 136/134 R
4504556 March 1985 Pearson 429/136
4525438 June 1985 Pearson 429/149
4777101 October 1988 Blomberg et al. 429/129

FOREIGN PATENT DOCUMENTS
2070844A Sept., 1981 United Kingdom

Primary Examiner- Karl Group
Attorney, Agent, or Firm- Lawrence B. Plant

Abstract

Bipolar battery and method of making intercell connection between adjacent cells involving use of an elastomeric collar on the links joining bipolar electrode halves compressing the collars in an opening between adjacent cell compartments and injecting a sealant about the collar to seal off the opening.

8 Claims, 3 Drawing Sheets

Bipolar Battery and Assembly Method patent image

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