公开(公告)号：US10766368B2

公开(公告)日：2020-09-08

申请号：US16167253

申请日：2018-10-22

Applicant: CPS TECHNOLOGY HOLDINGS LLC

Inventor： Junwei Jiang ,  Patrick T. Hurley ,  Perry M. Wyatt ,  Thomas M. Watson

IPC: B60L7/10 ,  H01M10/48 ,  H02J7/00 ,  B60L1/08 ,  H01M10/42 ,  B60L50/60 ,  B60L58/20 ,  B60L58/18 ,  B60L58/13 ,  H01M4/131 ,  H01M4/136

Abstract: An energy storage system for supporting dual electrical functions of a vehicle includes an energy storage unit having a plurality of energy storage modules connected in series, a plurality of sensing units for sensing state of charges of the plurality of energy storage modules, and a pair of primary voltage terminals. The series connected plurality of energy storage modules is connectable across the pair of primary voltage terminals during a key-on state of the vehicle to supply energy storage power at a first voltage level to support primary electrical functions of the vehicle. The energy storage system is further configured to select a subset of the plurality of energy storage modules during a key-off state of the vehicle to connect across a pair of secondary voltage terminals using a switch network to supply energy storage power at a second voltage level.