Invention Grant
- Patent Title: Method of manufacturing high volumetric density electrodes from self-aligning fiber powders
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Application No.: US14963661Application Date: 2015-12-09
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Publication No.: US10199633B2Publication Date: 2019-02-05
- Inventor: Orlando Rios , Claus Daniel , Nancy J. Dudney , Wyatt E. Tenhaeff
- Applicant: UT-Battelle, LLC
- Applicant Address: US TN Oak Ridge
- Assignee: UT-Battelle, LLC
- Current Assignee: UT-Battelle, LLC
- Current Assignee Address: US TN Oak Ridge
- Agency: Warner Norcross + Judd LLP
- Main IPC: H01M4/04
- IPC: H01M4/04 ; H01M10/0525 ; H01M4/62 ; H01M4/587 ; H01M4/38 ; H01M4/1393 ; H01G11/30 ; H01M4/1395

Abstract:
An electrode and a related method of manufacture are provided. The electrode includes a self-aligning active material having short fiber powders with a cylindrical morphology to increase the packing density from 0.74 to nearly 0.91. The short fiber powders self-align during a slurring coating process as a result of shear forces between a die and a foil. The resulting coating includes parallel short fibers in a closed packed arrangement, providing an increased volumetric capacity of at least approximately 17%.
Public/Granted literature
- US20170170453A1 METHOD OF MANUFACTURING HIGH VOLUMETRIC DENSITY ELECTRODES FROM SELF-ALIGNING FIBER POWDERS Public/Granted day:2017-06-15
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