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Battery system pack life estimation systems and methods

A battery pack, storage battery technology, applied in the direction of batteries, secondary batteries, circuits, etc., can solve the problems of increasing time and cost, non-expansion, etc., and achieve the effect of improving the design

Inactive Publication Date: 2016-06-15
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

Conventional approaches may also require separate testing and characterization of a particular battery pack configuration, which may not be scalable to a variety of other pack configurations, increasing the number of different pack configurations tested and characterized time and cost

Method used

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  • Battery system pack life estimation systems and methods
  • Battery system pack life estimation systems and methods
  • Battery system pack life estimation systems and methods

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Embodiment Construction

[0047] A detailed description of systems and methods consistent with embodiments of the present disclosure is provided below. While several embodiments are described, it should be understood that the present disclosure is not limited to any one embodiment, but rather encompasses numerous alternatives, modifications, and equivalents. Additionally, while numerous specific details are set forth in the following description to provide a thorough understanding of the embodiments disclosed herein, some embodiments may be practiced without some or all of these details. Also, for the purpose of clarity, certain technical material that is known in the related technical fields has not been described in detail to avoid unnecessarily obscuring the present disclosure.

[0048] Embodiments of the present disclosure will be best understood by referring to the drawings, wherein like parts may be designated by like reference numerals. The components of the disclosed embodiments, as generally ...

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Abstract

System and methods for estimating a life of a battery pack are presented. In certain embodiments, a method for estimating a life of a battery pack may include generating cell-level test data that includes measured parameters a of battery cell included in the battery pack in response to a plurality of test conditions. One or more first thermal response parameters associated with the battery cells of the battery pack may be determined. A battery cell aging model may be generated based, at least in part, on the cell-level test data and the one or more first thermal response parameters. Second thermal response parameters associated with the battery pack may be determined, and an estimated life of the battery pack may be determined based, at least in part, on the battery cell aging model and the second thermal response parameters.

Description

technical field [0001] The present disclosure relates to systems and methods for estimating the life of a battery pack. More specifically, but not exclusively, the systems and methods disclosed herein relate to estimating the life of a battery pack contained in a vehicle based on cell degradation data and thermal characteristics of the pack. Background technique [0002] Passenger vehicles typically contain electric batteries for operating the vehicle's electrical systems and drivetrain features. For example, vehicles often contain a 12V lead-acid automotive battery configured to supply electrical energy to the vehicle's starting system (eg, starter motor), lighting system, and / or ignition system. In electric vehicles, fuel cell ("FC") vehicles, and / or hybrid vehicles, a high voltage ("HV") battery system (eg, a 360V HV battery system) may be used to supply the vehicle's electric power Power is provided by transmission components such as electric drive motors and the like....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/36
CPCG01R31/392H01M10/48H01M10/486H01M2220/20G01R31/367Y02E60/10
Inventor S·因古瓦A·伯纳迪R·雷巴R·B·穆利埃
Owner GM GLOBAL TECH OPERATIONS LLC
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