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Embedded battery management system and method

An embedded, battery technology, applied in secondary battery repair/maintenance, secondary battery charge/discharge, measurement of electricity, etc., can solve problems affecting battery performance, slow diffusion rate of active particles, and inability to reflect battery performance The effect of improving performance and service life

Inactive Publication Date: 2012-07-18
EC POWER LLC
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Problems solved by technology

[0003] The conventional battery management system is based on the state of charge (SOC) model to control and protect the battery, but the inventors have found through research that in the embedded battery, the diffusion rate of active particles in the solid material is very slow, and the overall charge of the battery The electrical state does not reflect the performance of the battery, and the active component interface concentration iCAS (ie: the concentration of active components at the interface) largely affects the performance of the battery
[0004] Therefore, for embedded batteries, conventional battery management systems cannot effectively improve battery performance and service life

Method used

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  • Embedded battery management system and method

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Embodiment Construction

[0037] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention shall fall within the protection scope of the present invention.

[0038] Such as figure 1 As shown, an embedded battery management system provided by the present invention includes: a battery detection unit 100, an active component interface concentration calculation unit 200 and a battery current control unit 300,

[0039] The battery detection unit 100 is used to detect the initial voltage, operating current and temperature of the...

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Abstract

The invention discloses an embedded battery management system and method. The operation current, starting voltage and temperature of the battery can be input into a preserved active component interface concentration model to calculate the concentration of an active component interface; and the operation condition of the battery is adjusted according to the concentration. The concentration of the active component interface can greatly influence the performance of an embedded battery, so that the performance of the battery can be effectively improved and the service life of the battery is effectively prolonged.

Description

technical field [0001] The invention relates to the technical field of battery management, in particular to an embedded battery management system and method. Background technique [0002] With the improvement of living standards, more and more batteries are used in people's lives. In order to improve the performance and service life of the battery, people often use a battery management system (BMS, BATTERYMANAGEMENT SYSTEM). The battery management system is the link between the battery and the user, and the main object is the secondary battery (that is, the rechargeable battery). The main purpose of the battery management system is to improve the utilization rate of the battery, prevent the battery from overcharging and overdischarging, prolong the service life of the battery, and monitor the state of the battery. [0003] The conventional battery management system is based on the state of charge (SOC) model to control and protect the battery, but the inventors have found ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/42G01R31/36H01M10/44
CPCY02E60/12Y02E60/10
Inventor 王朝阳
Owner EC POWER LLC
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