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Method and electronic device for prolonging service life of power battery

A power battery and life-span technology, which is applied in battery/fuel cell control devices, electric vehicles, transportation and packaging, etc., can solve the problems of battery pack life cycle discount and other problems, so as to avoid the increase of aging coefficient, prolong the service life, The effect of slowing down the decay rate

Active Publication Date: 2019-06-28
GUANGZHOU XIAOPENG MOTORS TECH CO LTD
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Problems solved by technology

Usually a single cell is assembled into a module to form a power battery pack as the power core of an electric vehicle, and the cycle life of the battery pack is greatly reduced compared to a single cell

Method used

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  • Method and electronic device for prolonging service life of power battery
  • Method and electronic device for prolonging service life of power battery
  • Method and electronic device for prolonging service life of power battery

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Embodiment Construction

[0017] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail in conjunction with specific embodiments and with reference to the accompanying drawings. However, those skilled in the art know that the present invention is not limited to the drawings and the following embodiments.

[0018] As described herein, the term "including" and its various variants can be understood as open-ended terms, which means "including but not limited to." The term "based on" can be understood as "based at least in part on." The term "one embodiment" may be understood as "at least one embodiment." The term "another embodiment" may be understood as "at least one other embodiment."

[0019] At present, power batteries mainly include lead-acid batteries, nickel-hydrogen batteries, lithium batteries, and hydrogen fuel cells. Lithium batteries have become the first choice for power batteries due...

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Abstract

The embodiment of the invention relates to a method and electronic device for prolonging the service life of a power battery. The method comprises the steps of detecting a current working state of thepower battery to obtain a current charging parameter of the power battery; calculating a life attenuation parameter characterizing a life attenuation degree of the power battery based on the currentcharging parameter and a nominal charging parameter; determining the adjustment factor of the power battery charging current based on the life attenuation parameter. The method and the electronic device intelligently adjust the charging current according to the life condition of the power battery, avoid an increase in the aging factor of the power battery caused by excessive charging current, effectively slow down the attenuation speed of the battery service life in the direct current charging process and prolong the service life of the power battery.

Description

Technical field [0001] The present invention generally relates to the field of electric vehicles, and in particular to a method and electronic equipment for extending the service life of a power battery. Background technique [0002] With the gradual development and application of electric vehicles, the power battery, which is the core of its power, is particularly important under the current situation. In addition to the safety of the battery, the service life of the battery is the focus of users' concerns. Usually, a single cell is assembled into a module to form a power battery pack as the power core of an electric vehicle, and the cycle life of the battery pack is greatly reduced compared with a single cell. [0003] The current development of power battery technology has its own bottleneck. Therefore, it is very necessary to study the factors affecting the service life of the power battery and solve related problems to extend the service life of the power battery. This will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L58/10
CPCY02T10/70
Inventor 陈起武
Owner GUANGZHOU XIAOPENG MOTORS TECH CO LTD
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