Supercapacitor DC internal resistance test method, switching time algorithm and readable medium
A technology of supercapacitor and switching time, applied in the direction of measuring resistance/reactance/impedance, measuring device, measuring electrical variables, etc., can solve the problem of inaccurate DC internal resistance testing of supercapacitors, and achieve the effect of improving test accuracy
Active Publication Date: 2021-04-06
GOLDCARD HIGH TECH
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[0017] The present invention aims to provide a supercapacitor DC internal resistance test method, switching time algorithm and readable medium to solve the problem of inaccurate supercapacitor DC internal resistance test in the prior art solutions
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[0059] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with specific embodiments. It should be understood that the preferred embodiments described here are only used to illustrate and explain the application, not to limit the application, and are not intended to In case of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0060] It should be noted that in this application, relative terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations Any such actual relationship or order exists between. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of ...
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The invention aims to provide a supercapacitor DC internal resistance testing method, a switching time algorithm and a readable medium to solve the problem of inaccurate supercapacitor DC internal resistance testing in the prior art. It relates to the field of supercapacitor internal resistance testing. The supercapacitor DC internal resistance testing method includes: obtaining first voltage-time data, performing linear fitting based on the first voltage-time data to obtain a first fitting function; obtaining supercapacitor discharge process The switching time of the medium voltage; the voltage of the supercapacitor at the switching time is calculated according to the first fitting function and the switching time; the DC internal resistance is obtained according to the first constant current, the rated voltage and the voltage of the supercapacitor at the switching time. The DC internal resistance test method of the supercapacitor, the switching time algorithm and the readable medium can obtain more accurate DC internal resistance compared with the prior art, and overcome the problems existing in the prior art.
Description
technical field [0001] The invention relates to the field of supercapacitor internal resistance testing, in particular to a supercapacitor DC internal resistance testing method, a switching time algorithm and a readable medium. Background technique [0002] A supercapacitor is a new type of energy storage element that uses the interface electric double layer formed between the electrode material and the electrolyte to store energy. When an external electric field is applied to the two electrodes, the anions and cations in the solution will migrate to the positive and negative electrodes respectively under the action of the electric field, forming a so-called electric double layer on the surface of the electrodes; The positive and negative charges and the oppositely charged ions in the solution will attract each other to make the electric double layer more stable, so that a stable potential difference will be generated between the positive and negative electrodes. This is a ...
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IPC IPC(8): G01R27/02
CPCG01R27/02
Inventor 章欢杨洋聂西利
Owner GOLDCARD HIGH TECH