Invention Grant
- Patent Title: Method for automatic energy discharge of a battery pack via internal battery electronics post crash event
- Patent Title (中): 通过内部电池电子后碰撞事件自动释放电池组的方法
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Application No.: US13612354Application Date: 2012-09-12
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Publication No.: US09327610B2Publication Date: 2016-05-03
- Inventor: Peter Andres , Ryan M. Frakes , Paul W. Kelley
- Applicant: Peter Andres , Ryan M. Frakes , Paul W. Kelley
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Agency: Miller IP Group, PLC
- Agent John A. Miller
- Main IPC: H02J7/00
- IPC: H02J7/00 ; B60L11/18 ; H01M2/34 ; H01M10/42 ; H01M10/44 ; H01M10/48

Abstract:
A system and method for individually discharging battery cells in a high voltage vehicle battery. The system includes a battery controller that monitors and controls the state-of-charge of each of the battery cells and a cell balancing circuit for maintaining the charge of the cells substantially equal. The controller receives a signal from a vehicle crash detector indicating that the vehicle has been in a crash, and in response instructs the cell balancing circuit to discharge all of the battery cells.
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