US 12,412,918 B2
Inspection of binders and slurry mixtures for use in battery fabrication based on acoustic signal analysis
Shaurjo Biswas, El Cerrito, CA (US); Andrew Hsieh, Berkeley, CA (US); Barry Van Tassell, El Cerrito, CA (US); and Marc Juzkow, Livermore, CA (US)
Assigned to LIMINAL INSIGHTS, INC., Emeryville, CA (US)
Filed by LIMINAL INSIGHTS, INC., Emeryville, CA (US)
Filed on Nov. 17, 2021, as Appl. No. 17/455,366.
Claims priority of provisional application 63/115,562, filed on Nov. 18, 2020.
Prior Publication US 2022/0155262 A1, May 19, 2022
Int. Cl. H01M 10/00 (2006.01); G01N 29/44 (2006.01); H01M 4/04 (2006.01); H01M 10/04 (2006.01)
CPC H01M 10/0404 (2013.01) [G01N 29/44 (2013.01); H01M 4/0404 (2013.01); H01M 4/0471 (2013.01); H01M 10/04 (2013.01); G01N 2291/024 (2013.01); G01N 2291/101 (2013.01); Y02E 60/10 (2013.01); Y02P 70/50 (2015.11)] 16 Claims
OG exemplary drawing
 
1. A system comprising:
one or more transducers configured to transmit acoustic signals through at least one of a portion of one or more battery cells and a portion of one or more components of the one or more battery cells, and receive corresponding response signals associated with the acoustic signals;
and one or more processors configured to:
perform acoustic signal based analysis during a first process step for manufacturing the one or more battery cells or the one or more components; and
based on the acoustic signal based analysis performed during the first process step, adjust one or more parameters of at least a second process step for manufacturing the one or more battery cells or one or more components, wherein the parameters include heating or drying an electrode slurry and/or current collector, mixing a slurry, forming a binder, an operation of one or more rollers associated with the current collector, a flow of the slurry through a pipe, control a slurry mixer, a flow of binder through a pipe, control a binder mixer, remove anomalous material detected, and a material composition of a binder and/or a slurry.