Title:
CELL FORMATION SYSTEM FOR LITHIUM BASED SECONDARY BATTERIES
Document Type and Number:
WIPO Patent Application WO/2023/129640
Kind Code:
A3
Abstract:
A cell formation system for lithium based secondary batteries includes a battery tray and a formation base. The battery tray includes a base and a population of battery slots configured to retain lithium based secondary batteries with a first terminal and a second terminal extending through the base of the battery tray. The formation base is configured for attachment to the battery tray. The formation base includes connector groups and pre-lithiation modules. Each connector group is configured for making electrical contact with the first terminal and/or the second terminal of a different one of the lithium based secondary batteries in the battery tray. Each pre-lithiation module is electrically connected to at least one connector group, and each pre-lithiation module is configured to diffuse lithium to the electrode active materials of the lithium based secondary battery connected to the connector group.
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Inventors:
DVOIRIS ILYA (US)
FOSLER ROSS M (US)
FOSLER ROSS M (US)
Application Number:
PCT/US2022/054228
Publication Date:
August 10, 2023
Filing Date:
December 29, 2022
Export Citation:
Assignee:
ENOVIX CORP (US)
International Classes:
H01M10/42; H01M10/04; H01M10/0525; H01M10/44; H01M50/284
Foreign References:
| US20200052305A1 | 2020-02-13 | |||
| US20070207349A1 | 2007-09-06 | |||
| US20210075008A1 | 2021-03-11 | |||
| US9837659B2 | 2017-12-05 | |||
| US20110193529A1 | 2011-08-11 |
Attorney, Agent or Firm:
BRENNAN, Patrick E. et al. (US)
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