Invention Grant
- Patent Title: Cathode for lithium-containing batteries and solvent-free method for the production thereof
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Application No.: US14380501Application Date: 2013-02-21
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Publication No.: US10062900B2Publication Date: 2018-08-28
- Inventor: Jan Bruckner , Sebastian Tschocke , Holger Althues , Stefan Kaskel , Soren Thieme
- Applicant: Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
- Applicant Address: DE
- Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V
- Current Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V
- Current Assignee Address: DE
- Agency: Tarolli, Sundheim, Covell & Tummino LLP
- Priority: DE102012203019 20120228
- International Application: PCT/EP2013/053438 WO 20130221
- International Announcement: WO2013/127684 WO 20130906
- Main IPC: H01M4/131
- IPC: H01M4/131 ; H01M4/04 ; H01M4/139 ; H01M4/62 ; H01M4/133 ; H01M10/0525 ; H01M10/052
Abstract:
The present invention relates to a process for producing a cathode foil of a lithium-containing battery, comprising: (i) provision of a dry, solvent-free composition which comprises polytetrafluoroethylene, an electrically conductive, electrochemically inactive carbon material and an electrochemically active cathode material, (ii) formation of at least partially fibrillated polytetrafluoroethylene by action of shear forces on the dry, solvent-free composition to give a fibrillated composition, (iii) forming of the fibrillated composition to give a cathode foil.
Public/Granted literature
- US20150061176A1 CATHODE FOR LITHIUM-CONTAINING BATTERIES AND SOLVENT-FREE METHOD FOR THE PRODUCTION THEREOF Public/Granted day:2015-03-05
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