| http://www.w3.org/ns/prov#value | - A system according to claim 4 wherein the array of chemo/electro-active materials comprises at least one of the chemo/electro-active materials in the group consisting of NbaSrbTicOx and NbaSrbWcOx, wherein a, b and c are each independently about 0.0005 to about 1; and x is a number sufficient so that the oxygen present balances the charges of the other elements in the compound.
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