Spiral rolled electrode assembly having a serrated center pin

Details Spiral rolled electrode assembly having a serrated center pin Spiral rolled electrode assembly having a serrated center pin

1997-03-31

1999-03-16

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Plural concentric or single coiled electrode

429164, 429208, 296231, H01M 610

Patent

active

058828150

ABSTRACT:
A spiral rolled non-aqueous electrochemical cell using a serrated segment on at least one end of the flash line of a hollow center pin disposed in the center of a spiral rolled electrode assembly so that when the cell is collapsed under external force, the serrated edge shorts the electrodes so that local high temperature can be prevented.

REFERENCES:
patent: 2542094 (1951-02-01), Richardson et al.
patent: 3734778 (1973-05-01), Huf et al.
patent: 4237199 (1980-12-01), Gelin
patent: 4565753 (1986-01-01), Goebel et al.
patent: 5047068 (1991-09-01), Stoklosa

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