Power battery echelon utilization analysis method

A power battery and analysis method technology, applied in the direction of measuring electricity, measuring electrical variables, measuring devices, etc., can solve problems such as increasing analysis costs, and achieve the effects of reducing analysis costs, improving utilization efficiency, and reducing use costs

Active Publication Date: 2013-12-11
GREAT WALL MOTOR CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Both of the above two analysis methods require the use of large-scale equipment and precisio

Method used

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  • Power battery echelon utilization analysis method
  • Power battery echelon utilization analysis method
  • Power battery echelon utilization analysis method

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Embodiment Construction

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0026] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicat...

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Abstract

The invention discloses a power battery echelon utilization analysis method. The method includes the following steps: (S1) a power battery to be analyzed is evaluated to obtain a power battery with echelon utilization value, (S2) static characteristic parameters and dynamic characteristic parameters of the power battery with the echelon utilization value are tested, and the power battery with the echelon utilization value undergoes echelon screening from a capacity perspective and a power perspective according to the static characteristic parameters and the dynamic characteristic parameters, and (S3) the power battery after echelon screening is used in a graded mode. According to the power battery echelon utilization analysis method, the situation that large equipment and precise instruments are adopted to detect the inside of the battery to achieve echelon utilization analysis of the power battery is needless, performance of the power battery is in full use, utilization efficiency of the power battery is improved, and analysis cost is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to an analysis method for cascade utilization of power batteries. Background technique [0002] With the development of society, the application of lithium-ion batteries is becoming more and more extensive, especially in the application of electric vehicles. At present, the high purchase price of batteries is one of the important factors restricting the promotion of electric vehicles, and the cascade utilization of batteries is an important means to reduce the cost of power batteries for electric vehicles. By carrying out cascade utilization of power batteries, the use value of batteries can be tapped and the cost of batteries in the use stage of electric vehicles can be effectively reduced. [0003] It is generally believed that when the capacity of the vehicle power battery decays to less than 80% of the initial capacity, the cruising range of a single charge is significantly r...

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Application Information

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IPC IPC(8): G01R31/36
Inventor 盛杰杨帆
Owner GREAT WALL MOTOR CO LTD
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