On-line monitoring method for self-adaptively correcting lithium ion battery state-of-charge
A battery state of charge, lithium-ion battery technology, applied in the field of power battery management system, can solve the problems of long-time battery, difficult to realize and apply, frequent charge and discharge of power battery, etc., to achieve effective control, easy to realize and apply
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[0028] The following embodiments and the accompanying drawings are given to illustrate the structure and effects of the present invention in detail.
[0029] The invention provides an SOC monitoring method suitable for hybrid electric vehicles containing power batteries and fuel cell hybrid power systems. This method mainly combines the ampere-hour integration method and the open circuit voltage method to perform online monitoring and adaptive correction of the SOC of the lithium-ion battery for vehicles.
[0030] Such as figure 1 As shown, the present invention is implemented by the time management module 10, the data storage and management module 20, the diagnosis module 30, and the communication module 40 that are arranged in the electronic control unit of the automobile.
[0031] Such as figure 2 As shown, the time management module 10 is used to determine the vehicle running / stopping time and the calculation time of the initial value of the power battery SOC. It includes a si...
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