| http://www.w3.org/ns/prov#value | - One aspect of the invention is an electrode or gradient polymer as disclosed herein, wherein the maximum concentration of electrically conducting particles in the conducting composite region is equal to or more than 20, 30, 40, 50, 60, 70, 80 or 90% electrically conducting particles, or a value in the range between any of the two aforementioned percentages.
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