Battery power calibration method and terminal

A terminal and power technology, applied in battery circuit devices, arrangement of multiple synchronous batteries, charge equalization circuits, etc., can solve problems such as battery cell polarization

Active Publication Date: 2021-02-09
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The current battery is prone to battery polarization

Method used

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  • Battery power calibration method and terminal
  • Battery power calibration method and terminal
  • Battery power calibration method and terminal

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Embodiment Construction

[0046]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 examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0047] As mentioned above, on the one hand, current batteries are prone to battery polarization. For example, during the discharge process of the battery, the battery voltage will be relatively low relative to the equilibrium voltage, and during the battery charging process, the battery voltage will be relatively high relative to the equilibrium voltage. For aged batteries, the deviati...

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Abstract

The present disclosure relates to a battery power calibration method and a terminal, the method is applied to a fuel gauge, the fuel gauge is set in the terminal, and the terminal further includes: a battery to be tested connected to the fuel gauge, the The method includes: the fuel gauge acquires a first voltage of the battery under test when discharging; the fuel gauge acquires a second voltage of the battery under test when charging; The second voltage determines a third voltage, and determines the capacity of the battery under test according to the third voltage; wherein, the first voltage is lower than the third voltage, and the third voltage is lower than the second voltage Voltage. Therefore, a more accurate electric quantity of the battery to be tested can be obtained.

Description

technical field [0001] The present disclosure relates to the technical field of terminals, and in particular, to a battery power calibration method and a terminal. Background technique [0002] The fuel gauge of the battery is the original part to confirm the remaining power of the battery during the use of the battery. The working principle of the current fuel gauge is to first obtain the voltage of the battery, and determine the current power of the battery according to the corresponding relationship between the voltage and the battery power. Wherein, different voltages usually correspond to different battery capacities. [0003] At present, the battery is prone to battery polarization. The so-called battery polarization is a phenomenon in which the electrode voltage deviates from the equilibrium voltage of the battery. For example, during the discharge process of the battery, the battery voltage will be relatively low relative to the equilibrium voltage, and during the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00
CPCH02J7/0016
Inventor 高锃魏学文王宗强
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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