Ngk Insulators, Inc.

Iwao Owada

Yukihisa Takeuchi

Yuji Katsuda

Toshihiro Yoshida

Yukinobu Yura

Yosuke Sato

Provided is a secondary battery including: a positive electrode plate composed of an inorganic material containing a positive electrode active material in an oxide form and having a thickness of 25 &#x3bc;m or more; a negative electrode plate composed of an inorganic material containing a negative electrode active material in an oxide form and having a thickness of 25 &#x3bc;m or more; and an inorganic solid electrolyte, the secondary battery being charged and discharged at a temperature of 100&#xb0; C. or higher.

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Nagoya, Japan

Iwao Owada