Aqueus electrolytic solution primary battery

Details Aqueus electrolytic solution primary battery Aqueus electrolytic solution primary battery

2007-09-25

2007-09-25

Kalafut, Stephen J. (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

C429S086000, C429S174000

Reexamination Certificate

active

10742931

ABSTRACT:
The invention provides a battery including a power generating element container, a positive electrode mixture, and a hydrogen gas permeable sheet provided in an opening of the power generating element container, the hydrogen gas permeable sheet having a water repellence of 2 kPa or more and a He gas permeability at 30° C. in a range of 2×10−6to 10000×10−6(cm3(STP) cm/sec·cm2·cmHg), wherein a distance between the positive electrode mixture and the hydrogen gas permeable sheet gradually decreases toward a side wall of the power generating element container.

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