Murata Manufacturing Co., Ltd.

Takato Yokoji

Kazumasa Takeshi

Hiroki Mita

A battery comprises a positive electrode, a negative electrode and an electrolyte layer, in which the electrolyte layer has at least a peripheral portion provided along edges on a pair of non-short sides opposite to each other and a non-peripheral portion provided by a portion separated from the peripheral portion; the peripheral portion includes an electrolyte solution, a polymer compound holding the electrolyte solution, and inorganic particles in a first composition; the non-peripheral portion includes an electrolyte solution, a polymer compound, and inorganic particles in a second composition.

Secondary battery

A battery includes a cathode, an anode, and an electrolyte layer, and the electrolyte layer includes an electrolytic solution, a first polymeric compound configured to retain the electrolytic solution, and inorganic particles configured to retain a compound having a polar group on a surface.

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Kyoto, Japan

Takato Yokoji