Murata Manufacturing Co., Ltd.

Kazuaki Takada

Yoshihide Nagata

Yosuke Koike

A secondary battery includes a cathode, an anode, and an electrolytic solution. The anode includes a first anode active material, a second anode active material, and an anode binder. The first anode active material includes a first central portion and a first coating portion. The first central portion includes a material that includes silicon as a constituent element, and the first coating portion is provided on a surface of the first central portion and includes one or both of a polyacrylate salt and a carboxymethylcellulose salt. The second anode active material includes a material that includes carbon as a constituent element. The anode binder includes one or more of polyvinylidene fluoride, polyimide, and aramid.

Secondary battery-use anode and method of manufacturing the same, secondary battery and method of manufacturing the same, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

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Kanagawa, Japan

Kazuaki Takada