Cell cap assembly with recessed terminal and enlarged...

Details Cell cap assembly with recessed terminal and enlarged... Cell cap assembly with recessed terminal and enlarged...

2009-06-12

2011-11-15

Maples, John S (Department: 1728)

Chemistry: electrical current producing apparatus, product, and

With nonbattery electrical component electrically connected...

C429S056000, C429S061000, C429S178000

Reexamination Certificate

active

08057928

ABSTRACT:
A simplified cell design is provided for a battery utilizing the 18650 form-factor, the simplified cell design reducing manufacturing cost, battery weight and the risk of shorting between the battery case and the battery terminal. In the cap assembly of the disclosed battery, the safety vent element, which is recessed relative to the top of the cell case, also serves as the battery terminal. Additionally, the insulating gasket positioned between the cell case and the cap assembly is designed to cover a large portion of the outer surface of the safety vent/battery terminal.

REFERENCES:
patent: 2009/0029193 (2009-01-01), Onnerud et al.
patent: 2010/0215997 (2010-08-01), Byun et al.

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