# US 4,393,125 A · Battery cathodes

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- Number: US 4,393,125 A
- Document ID: US4393125A
- Status: Granted
- Kind: A
- Application number: 06/142,662
- Filed: 1980-04-21
- Granted: 1983-07-12
- Earliest claimed: 1980-04-21
- Assignees: Medtronic, Inc.
- Inventors: Paul M. Skarstad; Arthur J. Coury; Darrel F. Untereker
- Web page: https://patentgrep.com/patent/US4393125A

## CPC

- H01M 4/36: Selection of substances as active materials, active masses, active liquids
- H01M 4/06: Electrodes for primary cells
- Y10T 428/24058: including grain, strips, or filamentary elements in respective layers or components in angular relation
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

Battery cathodes of the iodine-complex type including one or more additives for improved iodine utilization.

## Claims

### Claim 1

An iodine cathode for batteries, the cathode comprising a liquid/solid composition, the liquid portion being saturated with dissolved iodine and including an organic donor complexed with at least part of the iodine and further including an additional component of styrene copolymerized with a vinylpyridine donor, the solid portion of the cathode consisting essentially of iodine.