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Battery design method, method for evaluating battery design and computer equipment

A design scheme and battery technology, applied in computer-aided design, calculation, design optimization/simulation, etc., can solve problems such as reducing the accuracy of calculation results, wide range of design parameters, and falling into local optimal values

Active Publication Date: 2020-07-31
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the traditional technical solution, the obtained results are easy to fall into the local optimum, which reduces the accuracy of the calculation results. Therefore, in order to prevent falling into the local optimum, the value range of the design parameters is often large

Method used

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  • Battery design method, method for evaluating battery design and computer equipment
  • Battery design method, method for evaluating battery design and computer equipment
  • Battery design method, method for evaluating battery design and computer equipment

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Embodiment Construction

[0037] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

[0038] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. When an element is referred to as being "connected to"...

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Abstract

The invention relates to a battery design method, a method for evaluating battery design and computer equipment. The method for evaluating battery design comprises the steps of: acquiring a pluralityof battery design schemes through determining influence factors and factor levels and employing an orthogonal method; acquiring battery parameters, and establishing a numerical model by utilizing thebattery parameters; and acquiring an interface concentration curve and a battery performance index of each battery design scheme according to the numerical model, further drawing a performance index distribution cloud chart, and evaluating battery design performance by utilizing the performance index distribution cloud chart. According to the method for evaluating battery design, the particle sizeand kinetic parameters of the active substance during battery design are generally set values, the solid-phase transmission difference is small, the thickness, porosity and other design parameters mainly influence the liquid-phase transmission performance of the battery, and the electrolyte concentration difference is caused by liquid-phase transmission, so that the advantages and disadvantages of the battery design are evaluated through utilizing the concentration features, the value range of the design parameters is narrowed, the calculation resources are saved, and the optimization time isshortened.

Description

technical field [0001] The present application relates to the battery field, in particular to a battery design method, a battery design evaluation method and computer equipment. Background technique [0002] With the advantages of high energy density, long cycle life and high discharge voltage, lithium-ion batteries are widely used in 3C electronics, electric transportation and energy storage power stations. With the continuous development of lithium-ion battery technology, customers' demand for lithium-ion batteries Various performance indicators put forward higher demands. [0003] In the traditional technical scheme, the positive electrode active material particle radius, the positive electrode solid phase volume fraction, and the positive electrode coating thickness are used as design parameters (the value range is based on the reasonable design constraints of the electrode), and the energy density or power density is used as the objective function to establish the mecha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20H01M10/42G06F111/10G06F119/14G06F119/08
CPCH01M10/42Y02E60/10
Inventor 李哲左安昊
Owner TSINGHUA UNIV
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