http://www.w3.org/ns/prov#value | - It is also possible to use as the positive electrode active material organic materials such as a conductive polymer material and a disulfide series polymer material. [0060] It is possible to use as the positive electrode active material one kind of the oxide or the organic material, a mixture of at least two kinds of the oxides, or a mixture of the oxide and the organic material. [0061] Among the
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