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MATÉRIAU CARBONÉ, ÉLECTRODE POSITIVE POUR BATTERIES TOUT SOLIDE, ÉLECTRODE NÉGATIVE POUR BATTERIES TOUT SOLIDE, ET BATTERIE TOUT SOLIDE
MATÉRIAU CARBONÉ, ÉLECTRODE POSITIVE POUR BATTERIES TOUT SOLIDE, ÉLECTRODE NÉGATIVE POUR BATTERIES TOUT SOLIDE, ET BATTERIE TOUT SOLIDE
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摘要
Provided is a carbon material that can improve the cycle characteristic in charge and discharge of an all-solid-state battery. The carbon material is a carbon material to be contained in a positive electrode and/or a negative electrode of an all-solid-state battery comprising a group 1- or group 2-ionic conductive solid electrolyte, wherein in an X-ray diffraction spectrum of a mixture of the carbon material and Si in a weight ratio of 1 : 1, a ratio a/b is 0.2 or higher and 10.0 or lower, where a represents a height of the highest peak in the range of 2θ of 24° or larger and smaller than 28° and b represents a height of the highest peak in the range of 2θ of 28° or larger and smaller than 30°.
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