Baker Botts L.L.P.
Negative electrode composition for electric storage device, negative electrode including the composition, electric storage device, and method for producing negative electrode for electric storage device
Provided is a method for producing a negative electrode for an electric storage device, the method comprising the steps of preparing a negative electrode composition comprising a negative electrode active material that reversibly carries a sodium ion, metal sodium, and a liquid dispersion medium for dispersing them; allowing a negative electrode current collector to hold the negative electrode composition; evaporating at least part of the liquid dispersion medium from the negative electrode composition held by the negative electrode current collector, thereby giving a negative electrode precursor comprising the negative electrode active material, the metal sodium, and the negative electrode current collector; and bringing the negative electrode precursor into contact with an electrolyte having sodium ion conductivity, thereby doping the negative electrode active material with sodium eluted from the metal sodium.
Nippon Soda Co., Ltd. Sumitomo Electric Industries, Ltd.
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Toshiaki Koji Shinichi Koma Atsushi Hideaki Shoichiro Eiko Hitoshi
Yamashita Nitta Maruyama Numata Fukunaga Ito Sakai Imazaki Kobayashi