Battery degradation parameter correction system and battery degradation parameter correction method
A parameter correction and degradation parameter technology, which is applied in the repair/maintenance of secondary batteries, secondary batteries, electrochemical generators, etc., can solve the problems of increasing the deterioration of single batteries and weakening the control ability of single batteries, so as to improve safety Effects on Sex and Reliability
Inactive Publication Date: 2018-05-18
HUIZHOU BNET TECH CO LTD
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Problems solved by technology
With the continuous increase of the deterioration degree of the single battery, when the battery cluster uses the original protection battery parameters and state battery parameters, on the one hand, it will further increase the deterioration of the single battery. weakened ability to control
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[0025] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0026] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of ill...
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Disclosed are a battery degradation parameter correction system and a battery degradation parameter correction method. The battery degradation parameter correction system comprises a battery pack, a battery management module and a parameter collection module, wherein the battery pack consists of a plurality of single batteries; and the battery management module comprises battery management units connected with the single batteries in a one-to-one correspondence manner. By combination of use time of the single batteries, temperatures corresponding to the use time, and currents corresponding tothe use time, more accurate battery parameters which can better reflect the current single battery degradation states can be obtained, and data updating is performed; and the updated battery parameters are more suitable for degraded single batteries, so that judgment and protection on the degraded single batteries and state management on the single batteries by the battery management system can befacilitated, and safety and reliability of the battery management system can be improved.
Description
technical field [0001] The invention relates to the field of battery management, in particular to a battery degradation parameter correction system and a battery degradation parameter correction method. Background technique [0002] During the operation of the energy storage system, as the usage time of the battery cluster increases, the single batteries in the energy storage system gradually deteriorate; while the battery parameters in the battery management system in the battery cluster are for the undegraded single batteries. The battery is set once at the factory. Then, when the single cells in the battery cluster deteriorate, the battery parameters in the battery management system are gradually not applicable to the single cells in the battery cluster. With the continuous increase of the deterioration degree of the single battery, when the battery cluster uses the original protection battery parameters and state battery parameters, on the one hand, it will further incr...
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Login to View More IPC IPC(8): H01M10/42
CPCH01M10/4207H01M10/425H01M2010/4271H01M2010/4278Y02E60/10
Inventor 钟弟
Owner HUIZHOU BNET TECH CO LTD