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Battery cell performance parameter obtaining method and device

A technology for parameter acquisition and battery cells, which is applied in battery circuit devices, circuit devices, secondary batteries, etc., can solve the problems of low accuracy of battery cell performance parameters, large errors, and complicated battery model establishment process, and speed up research and development The effect of schedule, low cost and simple manufacturing process

Inactive Publication Date: 2019-08-23
SVOLT ENERGY TECHNOLOGY CO LTD
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Problems solved by technology

[0004] In view of this, the present invention aims to propose a battery cell performance parameter acquisition method and a battery cell performance parameter acquisition device to solve the complex battery model establishment process in the prior art and the low accuracy and error of the obtained battery cell performance parameters big problem

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  • Battery cell performance parameter obtaining method and device
  • Battery cell performance parameter obtaining method and device
  • Battery cell performance parameter obtaining method and device

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Embodiment Construction

[0039] It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0040] The present invention will be described in detail below with reference to the drawings and in combination with embodiments.

[0041] figure 1 It is a schematic flowchart of the method for obtaining performance parameters of battery cells described in the embodiment of the present invention. like figure 1 As shown, the battery cell performance parameter acquisition method includes steps S102 to S104:

[0042] In step S102, obtain the corrected parameters of the battery;

[0043] In step S104, according to the pre-established electrochemical-thermal coupling model of the battery and the correction parameters related to the battery, the cell performance parameters related to the battery output by the electrochemical-thermal coupling model of the battery are obtained.

[0044] Wherein, the types of battery ...

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Abstract

The invention relates to the technical field of batteries, and provides a battery cell performance parameter acquisition method and device. The battery cell performance parameter acquisition method comprises the following steps: acquiring corrected parameters of a related battery; and obtaining cell performance parameters which are related to the battery and outputted by an electrochemical-thermalcoupling model of the battery according to the pre-established electrochemical-thermal coupling model and the correction parameters of the relevant battery. The battery cell performance parameters obtained through the battery cell performance parameter acquisition method is high in precision, the performance prediction at the early stage of cell design and data verification at the later stage ofcell design can be carried out, and the purposes of reducing test resources and accelerating the battery research and development progress can be achieved.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a method for obtaining performance parameters of battery cells and a device for obtaining performance parameters of battery cells. Background technique [0002] In recent years, the sales of fuel vehicles have continued to decline, while the sales of new energy vehicles have increased significantly, which will also drive the power battery market. At present, many automobile manufacturers have increased investment in power batteries through joint ventures or self-built power battery companies to ensure that their new energy vehicles can be put on the market quickly. In order to ensure the competitiveness of battery products, battery manufacturers are required to further compress the development cycle, reduce production costs and pre-research battery performance in advance. Traditional product development requires a lot of manpower and material resources, and the development cyc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/42
CPCH01M10/42H01M10/425H01M10/4257H01M2010/4271H01M2010/4278Y02E60/10
Inventor 陈森
Owner SVOLT ENERGY TECHNOLOGY CO LTD
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