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Use of Polypyrrole Films in Dry Cells Disclosure Number: IPCOM000055501D
Original Publication Date: 1980-Jul-01
Included in the Prior Art Database: 2005-Feb-13

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Bargon, J Diaz, AF [+details]


The construction of the Leclanche dry cell consists of a zinc surface (cathode), a cellulose electrolyte spacer, a manganese dioxide-carbon black depolarization layer and a carbon rod (anode). These cells are limited to a low energy to volume ratio because of the small surface area available to the pressed carbon rod.