Battery charging control method and device and storage medium
A battery charging and charging equipment technology, which is applied to battery circuit devices, current collectors, electric vehicles, etc., can solve the problems of insufficient battery charging, prolonging the charging time, and heating of the battery, and achieves short charging time, small prolongation effect, and low battery life. weak effect of chemical polarization
Pending Publication Date: 2022-04-29
ZHEJIANG GEELY HOLDING (GROUP) CO LTD +1
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Problems solved by technology
However, if the current is too high, it will easily cause safety problems such as battery fire and explosion, and if the current is too high, it will lead to serious electrochemical polarization, which will cause the battery to be fully charged and prolong the charging time.
Severe electrochemical polarization will cause severe heating of the battery and metal crystallization on the surface of the negative electrode, which will affect the cycle life of the battery and even the safety of the battery
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[0049] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.
[0050] In today's world, environment and energy are two major issues facing human beings. An electric vehicle refers to a vehicle powered by a vehicle-mounted power supply, driven by a motor to drive the wheels, and conforming to the requirements of road traffic and safety regulations. Compared with traditional cars, electric vehicles have less impact on the environment, and their prosp...
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The invention provides a battery charging control method and device and a storage medium, and the method comprises the steps that a controller obtains a charging parameter of a battery, and if the charging parameter meets a first charging state, a charging device is controlled to charge the battery in a first charging mode; and if the charging parameter meets the second charging state, controlling the charging equipment to charge the battery in a second charging mode. The charging process of the battery is divided into different charging states, and the controller can determine the charging state of the battery according to the charging parameters of the battery, so that the charging mode of the battery is determined, and the charging equipment is controlled to charge the battery in different charging modes. The charging speed of the battery is improved, the electrochemical polarization phenomenon is reduced, the damage to the battery is reduced, the charging safety of the battery is ensured, and the quick charging experience of a user is improved.
Description
technical field [0001] The present application relates to the field of electrical automation, and in particular to a battery charging control method, device and storage medium. Background technique [0002] With the widespread application of electric vehicles, customers have higher and higher requirements for the charging experience of electric vehicles. Too slow charging makes users wait too long, which seriously affects the further promotion and application of electric vehicles. [0003] In the prior art, a constant current charging method can be used to charge a vehicle battery. When charging with a constant current, the voltage of the battery has a stable process. Under the premise of a certain power and voltage platform of the vehicle battery, it is necessary to reduce the charging time, which can only be achieved by increasing the charging current. [0004] That is to say, the current fast charging method is to increase the charging current. However, if the current i...
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IPC IPC(8): H02J7/00
CPCH02J7/00712H02J7/0029
Inventor 周侃刘陈石
Owner ZHEJIANG GEELY HOLDING (GROUP) CO LTD