ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE, SECONDARY BATTERY, BATTERY PACK, ELECTRONIC APPARATUS AND METHOD FOR MANUFACTURING ELECTRODE ACTIVE MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide: an electrode active material which enables the realization of the rise in energy density while preventing the precipitation of metallic lithium; a negative electrode arranged by use of such an electrode active material; a secondary battery; a battery pack; an electronic apparatus; and a method for manufacturing such an electrode active material.SOLUTION: An electrode active material according to a technique hereof is expressed by the following composition formula: LiRuO(0≤n≤2).SELECTED DRAWING: Figure 6