A battery classification method and system
A classification method and classification system technology, applied in the direction of batteries, secondary batteries, battery electrodes, etc., can solve problems such as consistency deterioration, single battery capacity, internal resistance, power discretization, time-consuming, manpower and material resources. , to achieve the effect of improving efficiency
Pending Publication Date: 2019-06-21
紫石能源有限公司
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Problems solved by technology
[0005] However, the cascaded vehicle power batteries need to be disassembled, tested, classified, and reorganized before they can be used. The consistency is worse than that of newly installed batteries. more discrete
If the battery is classified according to the above characteristics, it will take a lot of time, manpower and material resources
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[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] figure 1 The flow chart of the battery classification method provided by the embodiment of the present invention, such as figure 1 As shown, the method includes:
[0026] Step 10, obtaining the cycle charge and discharge data of the battery pack to be classified, and extracting the feature data set of the battery pack from the charge and discharge data;
[002...
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The embodiment of the invention provides a battery classification method and system, and the method comprises the steps: obtaining the cyclic charging and discharging data of a to-be-classified battery pack, and extracting a feature data set of the battery pack from the charging and discharging data; reducing the feature data set by adopting a rough set theory to obtain a reduction result featuredata set of the battery pack; and classifying the battery cells in the battery pack by adopting a fuzzy clustering algorithm according to the reduction result feature data set. The battery classification method and system provided by the embodiment of the invention can be suitable for the returned power batteries, and the classification efficiency of the returned power batteries is improved.
Description
technical field [0001] Embodiments of the present invention relate to the technical field of battery management, and in particular, to a battery classification method and system. Background technique [0002] Since my country put forward the plan to build a smart grid in 2009, battery energy storage has played an important role in all links of power generation, transmission, transformation, distribution and consumption of the power system, and has become an indispensable component of smart grid construction. part. At present, the battery investment cost is relatively high in the construction cost of the battery energy storage system, accounting for more than 70% of the total investment, which has become a restrictive factor restricting the large-scale application of battery energy storage. [0003] According to relevant statistics from the Traffic Management Bureau of the Ministry of Public Security, the number of pure electric vehicles has reached 332,000 in 2015, and the M...
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IPC IPC(8): G06K9/62
CPCG01R31/367G01R31/387G01R31/389H01M10/48H01M10/425H01M2220/20H01M4/5825Y02E60/10G01R31/396G01R31/378
Inventor 韩燕川赵昂贾亚沛刘松利
Owner 紫石能源有限公司