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Method for detecting capacitance of lithium battery by applying compensation calculation method

A detection method and capacitance technology, applied in the direction of measuring electrical variables, measuring electricity, measuring devices, etc., can solve the problems of being unable to provide high-accuracy battery capacity detection and increasing the difficulty of battery capacity detection

Inactive Publication Date: 2019-03-05
CELXPERT ENERGY CORP
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Problems solved by technology

Therefore, it will increase the difficulty of battery capacity detection
[0006] Although some battery capacity detection technologies have been developed in recent years, based on cost and accuracy considerations, the currently developed battery capacity detection technologies cannot provide high-accuracy battery capacity detection. Therefore, how to provide a An effective and highly accurate battery capacity detection method has become an important topic in the industry

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  • Method for detecting capacitance of lithium battery by applying compensation calculation method
  • Method for detecting capacitance of lithium battery by applying compensation calculation method
  • Method for detecting capacitance of lithium battery by applying compensation calculation method

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Embodiment Construction

[0022] The implementation of the present invention is described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific examples, and various modifications and changes can be made to the details in the description of the present invention based on different viewpoints and applications without departing from the spirit of the present invention.

[0023] It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Conditions, so it has no technical substantive meaning, any modification of st...

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Abstract

The invention provides a method for detecting the capacitance of a lithium battery by applying a compensation calculation method, which comprises the steps of estimating the initial capacitance of thelithium battery by means of an open-circuit voltage method; calculating the consumed or supplemented capacitance of the lithium battery by means of a Coulumb integration method after obtaining the initial capacitance of the lithium battery so as to obtain the current actual capacitance of the lithium battery; and converting the current actual capacitance into the current display capacitance by means of the compensation calculation method.

Description

technical field [0001] The invention relates to a battery capacity detection method, in particular to a lithium battery capacity detection method using a compensation calculation method. Background technique [0002] With the advancement of technology and the rapid development of integrated circuits, many electronic devices have been miniaturized. In addition to the basic requirements of lightness and portability, long-term operation has gradually become a necessary requirement. [0003] Moreover, these portable electronic devices (for example, mobile phones, smart phones, digital cameras, digital video cameras, notebook computers, etc.) all need power to operate, and the source of this power is batteries (for example, lithium batteries), Therefore, how to provide sufficient power for today's portable electronic devices has become one of the important challenges. [0004] Furthermore, because the charging and discharging behavior of the battery is caused by a series of chem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/387
CPCG01R31/3648
Inventor 李成泰陈韦匡
Owner CELXPERT ENERGY CORP
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