US 12,308,677 B2
Battery system
David Lai, Redwood City, CA (US); Dustin Grace, San Francisco, CA (US); Derek R. Paul, Burlingame, CA (US); Yale Chen, Burlingame, CA (US); and Cagkan Yildiz, Burlingame, CA (US)
Assigned to PROTERRA POWERED LLC
Filed by PROTERRA POWERED LLC, Burlingame, CA (US)
Filed on Jun. 15, 2022, as Appl. No. 17/806,989.
Application 17/806,989 is a continuation in part of application No. 17/655,091, filed on Mar. 16, 2022, abandoned.
Claims priority of provisional application 63/162,416, filed on Mar. 17, 2021.
Prior Publication US 2022/0311257 A1, Sep. 29, 2022
Int. Cl. H02J 7/00 (2006.01); B60L 50/64 (2019.01); B60L 58/14 (2019.01); B60L 58/18 (2019.01); H01M 10/42 (2006.01); H01M 10/613 (2014.01); H01M 10/625 (2014.01); H01M 10/6554 (2014.01); H01M 50/204 (2021.01); H01M 50/249 (2021.01); H01M 50/583 (2021.01)
CPC H02J 7/00304 (2020.01) [B60L 50/64 (2019.02); B60L 58/14 (2019.02); B60L 58/18 (2019.02); H01M 10/425 (2013.01); H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/6554 (2015.04); H01M 50/204 (2021.01); H01M 50/249 (2021.01); H01M 50/583 (2021.01); H02J 7/0013 (2013.01); H02J 7/0031 (2013.01); H02J 7/00712 (2020.01); B60L 2210/10 (2013.01); H01M 2010/4271 (2013.01); H01M 2200/103 (2013.01); H01M 2220/20 (2013.01); H02J 2207/20 (2020.01)] 18 Claims
OG exemplary drawing
 
1. A battery system of an electric vehicle, comprising:
a plurality of battery packs, each battery pack comprising a plurality of battery cells enclosed within a housing, each battery pack comprises an active overcurrent protection device; and
a battery management device comprising a primary automatic disconnect device and a primary contactor, the battery management device being electrically connected to each of the battery packs configured to control an electrical output of the plurality of battery packs; and
wherein the primary contactor is configured to protect all of the plurality of battery packs by being opened when a system current has exceeded a contactor maximum current threshold.