CARBON ACTIVE MATERIAL FOR BATTERY ELECTRODES
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United States of America Patent
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app pub date -
Apr 16, 2012
filing date -
Nov 4, 2005
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Abandoned
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Abstract
There is provided a battery device having a high operating voltage and a low capacity degradation rate. The battery device comprising: a positive electrode having at least a positive electrode active material layer and a positive electrode collector; a negative electrode; a separator; and an organic electrolytic solution, wherein the positive electrode active material layer contains non-porous carbon having a specific surface area of 500 m2/g or less as a main component, and a material forming the negative electrode is different from a positive electrode active material, and contains a material capable of storing and releasing an alkali metal ion or an alkaline earth metal ion as a main component.
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