Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 8, 2015
0Patent Application Number
129210650
Date Filed
March 4, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A photonic crystal electrical property indicator for a battery comprising: an electrically conductive working electrode and an electrically conductive counter electrode; an electrically-responsive photonic crystal material in contact with at least one of said first and second electrically conductive electrodes; an ionically conductive electrolyte provided between the working and counter electrodes; and electrical conductors for connecting the indicator to terminals of the battery; wherein the photonic crystal material has a reflectance spectrum that is responsive to a change in at least one electrical property of the battery, thereby providing an optically detectable indication of the at least one electrical property of the battery.
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