Patent ID: 9543623
Date: 2017-01-10
CPC Classifications: H01M,Y02E

Claim:
1. A battery condition indicator comprising: at least one indicator electrode in electrical connection with a first terminal of a battery, the at least one indicator electrode comprising at least one redox material; a counter electrode for the at least one indicator electrode, the counter electrode is a second terminal of the battery; and a separator that is combined with an electrolyte, the separator that is combined with an electrolyte is positioned between the at least one indicator electrode and the counter electrode; wherein the at least one indicator electrode comprises a conductive substrate, the conductive substrate comprising a length, a first substrate redox zone, and at least a second substrate redox zone; the first substrate redox zone is adjacent to the at least one second substrate redox zone along the length of the conductive substrate; the first substrate redox zone comprises at least one redox material; the at least one second substrate redox zone comprises at least one redox material; the materials of the first and second substrate redox zones being different from one another; the counter electrode has an electrochemical capacity; the at least one indicator electrode has an electrochemical capacity; and the electrochemical capacity of the counter electrode is at least 3 times greater than the electrochemical capacity of the indicator electrode.