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AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsKazuko Asano, Yukihiro Oki, Nanami Takeda, Mitsuhiro Hibino
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Provided is a lithium ion battery with a positive electrode having a positive electrode mixture layer that contains a positive electrode active material, and a negative electrode having a negative electrode mixture layer that contains a negative electrode active material, the lithium ion battery being charged and discharged by the movement of lithium ions between the positive electrode and the negative electrode. The negative electrode mixture layer contains a negative electrode active material represented by general formula M3Me2X7 (in the formula, M includes at least one of La and Ca; Me includes at least one of Mn, Ni, Fe, and Co; and X includes at least one of Ge, Si, Sn, and Al), and a binding agent that contains cyano groups, the ratio of the binding agent in the negative electrode mixture layer being 0.5-7.0 mass% (inclusive).
A lithium-ion battery comprising a positive electrode with a positive electrode mixture layer containing a positive electrode active material, and a negative electrode with a negative electrode mixture layer containing a negative electrode active material, charging and discharging is caused by lithium-ions moving between the positive electrode and the negative electrode, wherein
Dependencies are inferred from the claim text.