Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1997-11-12
1999-09-07
Nuzzolillo, Maria
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429165, 429140, 296231, H01M 200
Patent
active
059485612
ABSTRACT:
An electrochemical cell and method for achieving increased anode-to-cathode interface area to realize enhanced service performance are disclosed. A first electrode, such as a cathode, is provided in a container and a cavity is formed in the first electrode. A tubular separator is disposed within the cavity by inserting a conductive plate against the separator to form first and second separator compartments. The conductive plate is preferably coated with active first electrode material, such as manganese dioxide, and the plate is interference fit within the cavity. A second electrode, such as an anode, is disposed within each of the first and second separator compartments. A collector is assembled in contact with the anode and a cover and seal assembly is assembled to the top of the container.
REFERENCES:
patent: 644538 (1900-02-01), Pfannenberg
patent: 2605298 (1952-07-01), Marsal
patent: 3196051 (1965-07-01), Balaguer
patent: 4032696 (1977-06-01), Urry
patent: 4154905 (1979-05-01), Urry
patent: 5501924 (1996-03-01), Swierbut et al.
patent: 5869205 (1999-02-01), Mick et al.
Eveready Battery Company Inc.
Fraser S. Allan
Nuzzolillo Maria
Tsang Susy
Welsh Robert W.
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