Method for producing electrode, electrode, and non-aqueous electrolyte secondary battery
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsReiko Izumi, Hiroki Yamashita
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Abstract
The present invention provides a method for producing an electrode with which it is possible to obtain a mixture sheet exhibiting good stretchability. This method for producing an electrode is characterized by including a mixture sheet preparation step in which a powder of an electrode mixture including an active material and a fibrous binder and having a solid content concentration of substantially 100% is molded into a sheet shape to prepare a mixture sheet, and a bonding step in which the mixture sheet is bonded to the surface of a core material, wherein the binder contains polytetrafluoroethylene having an internal friction angle of 45 degrees or more as a main component.
Claims8
A method for producing an electrode, comprising:
- a mixture sheet preparation step of molding a powder of an electrode mixture containing an active material and a fibrous binder and having a solid content of substantially 100% into a sheet shape to prepare a mixture sheet;
- and
- a bonding step of bonding the mixture sheet to a surface of a core material, wherein
- the binder contains polytetrafluoroethylene having an internal friction angle of greater than or equal to 45 degrees as a main component.
An electrode comprising:
- a core material;
- and a mixture sheet bonded to a surface of the core material, wherein
- the mixture sheet contains an active material and a fibrous binder, and
- the binder contains polytetrafluoroethylene having an internal friction angle of greater than or equal to 45 degrees.
Dependencies are inferred from the claim text.