Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1996-07-01
1998-10-13
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429218, 4234472, 428367, H01M 460
Patent
active
058210121
ABSTRACT:
An electrode is disclosed comprising a multiplicity of flexible biregional fibers, each fiber having an inner core region of a thermoplastic polymeric composition and a surrounding outer region of an electrically conductive carbonaceous sheath. The biregional fiber is derived from a biregional precursor fiber having an inner core region of a thermoplastic polymeric composition and a surrounding outer region of an oxidation stabilized sheath, and wherein the biregional precursor fiber is derived from a polymeric fiber comprising a single homogeneous polymeric composition, the flexible biregional fiber is particularly characterized by having a ratio of the radius of the core region with respect to the total radius of the fiber (r:R) of from about 1:4 to about 1:1.05 and a breaking twist angle of from about 4 to about 13 degrees. Also disclosed are secondary electrical storage devices employing electrodes of the invention.
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Juhl Nis H.
Skapars Anthony
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