US 11,888,129 B2
Battery cell wear indicator
John M Petersen, Wake Forest, NC (US); Bouziane Yebka, Apex, NC (US); Gary D Cudak, Wake Forest, NC (US); and Nathan Peterson, Oxford, NC (US)
Assigned to LENOVO (SINGAPORE) PTE. LTD., Singapore (SG)
Filed by Lenovo (United States) Inc., Morrisville, NC (US)
Filed on Sep. 30, 2021, as Appl. No. 17/490,827.
Prior Publication US 2023/0100428 A1, Mar. 30, 2023
Int. Cl. H01M 10/48 (2006.01); G08B 21/18 (2006.01); G01R 31/392 (2019.01); H01M 10/42 (2006.01); H01M 50/204 (2021.01)
CPC H01M 10/488 (2013.01) [G01R 31/392 (2019.01); G08B 21/182 (2013.01); H01M 10/4257 (2013.01); H01M 10/482 (2013.01); H01M 50/204 (2021.01); H01M 2010/4271 (2013.01); H01M 2010/4278 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method, comprising:
monitoring, using a battery management unit, a condition of one or more cells within a block of a battery, wherein the monitoring comprises capturing, using a camera associated with the battery management unit, an image of an exterior of the one or more cells;
determining, using a processor, that the condition of at least one of the one or more cells has fallen below a predetermined threshold, wherein the determining comprises identifying that the exterior of the at least one of the one or more cells has undergone a color change event; and
providing, responsive to the determining, a notification, wherein the providing a notification comprises writing, using the battery management unit, information onto the exterior of the one or more cells.