Title:
ナトリウム二次電池用負極の製造方法、およびナトリウム二次電池用負極を形成するためのナトリウム分散組成物
Document Type and Number:
Japanese Patent JP5689976
Kind Code:
B2
Abstract:
A current collector is covered with sodium metal through: (1) a step of applying a sodium dispersion containing sodium metal and at least one substance selected from the group consisting of an imide salt and a binder, on a current collector in an inert gas environment (with an oxygen concentration of not more than 0.01% and a dew point of not more than -10°C), followed by heating and drying; (2) a step of pressure bonding a piece of solid sodium metal having a surface which exhibits a metallic luster onto a current collector in the aforementioned inert gas environment; (3) a step of vapor-depositing sodium metal on a current collector in a reduced pressure environment; or (4) a step of immersing a current collector having a surface fired at a temperature ranging from 150 to 300°C in molten sodium metal after removing a coating film which is generated on a surface and formed from impurities, in the aforementioned inert gas environment.
Inventors:
伊藤 英明
小林 仁
山下 利秋
丸山 慎一
小林 仁
山下 利秋
丸山 慎一
Application Number:
JP2013536379A
Publication Date:
March 25, 2015
Filing Date:
September 27, 2012
Export Citation:
Assignee:
日本曹達株式会社
International Classes:
H01M4/1395; H01M4/134; H01M4/38; H01M4/62
Attorney, Agent or Firm:
Masatake Shiga
Norio Takahashi
Takashi Watanabe
Mitsuyoshi Suzuki
Yasuhiko Murayama
Norio Takahashi
Takashi Watanabe
Mitsuyoshi Suzuki
Yasuhiko Murayama