Title: Lithium iodine battery having improved energy density

Abstract: A lithium-iodine cell comprising a lithium anode and a cathode comprising an iodine element, a charge transfer complex of an organic donor component and iodine, and a cathode current collector operatively positioned between the iodine element and the charge transfer complex. The iodine element comprises a solid pellet of pure, non-conductive iodine, and the organic donor component of the charge transfer complex is two-vinyl pyridine polymer. The current collector is a screen or the equivalent which allows iodine to diffuse from the iodine element through the collector to the charge transfer complex. The iodine element is optimized for maximum iodine content without regard for conductivity, and the cathode material is optimized for maximum conductivity without regard for excess iodine content.

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Inventors: Mead, Ralph T. (Kenmore, NY, US)
Greatbatch, Wilson (Clarence, NY, US)
Rudolph, Frank W. (Depew, NY, US)

Application Number: 539730
Filing Date: 1975-01-09
Publication_date: 1976-03-16
Assignee: Greatbatch; Wilson (Clarence, NY)
Primary Class(es): 429/213
Other Classes:
US Patent Ref:

3653966	Apr, 1972	Hill	136/83.
3660163	May, 1972	Moser	136/83.
3674562	Apr, 1972	Schneider et al.	136/83.
3723183	Mar, 1973	Greatbach	136/83.
3773557	Nov, 1973	Mead	136/83.
3817791	Jun, 1974	Greatbach et al.	136/83.
3874929	Apr, 1975	Greatbach	136/83.

Other Refs:
Primary Examiner: Kaplan, G. L.
Assistant Examiner: Lefevour, C. F.
Attorney: Christel & Bean