Battery matching method
A battery and battery discharge technology, applied in secondary batteries, secondary battery testing, secondary battery repair/maintenance, etc., can solve problems such as capacity, voltage, internal resistance and other parameter differences, to improve the quality of grouping, improve The quality of matching and the effect of improving the service life
Inactive Publication Date: 2016-05-04
北汽云南瑞丽汽车有限公司
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Problems solved by technology
However, due to the influence of material characteristics, production conditions, equipment precision, and process level, the single battery has differences in its capacity, voltage, internal resistance and other parameters, so it is necessary to assemble the single battery
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Embodiment Construction
[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0023] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the descrip...
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The invention discloses a battery assembling method. The battery assembling method comprises the following steps: (A) discharging a plurality of batteries which are fully charged till cut-off voltage is achieved in a preset current mode, measuring the discharge capacity of each battery, wherein the preset current is the charge and discharge current of the battery in a working state; (B) discharging the plurality of batteries to be preset voltage, subsequently laying up the plurality of discharged batteries for a first preset time, and measuring a first voltage drop of each battery before and after the first preset time; (C) charging the plurality of batteries, laying up the plurality of charged batteries for a second preset time, and measuring a second voltage drop of each battery before and after the second preset time; and (D) grouping the plurality of batteries according to the discharge capacity, the first voltage drop and the second voltage drop of the plurality of batteries. Due to adoption of a battery grouping method, the accuracy of the plurality of batteries in grouping testing is greatly improved, and good consistency of the plurality of batteries in practical application after being grouped is ensured.
Description
technical field [0001] The present invention relates to the field of batteries, in particular to a battery assembly method. Background technique [0002] In order to achieve a certain voltage, power and energy level, it is necessary to connect multiple single cells in series or in parallel to form a group. However, due to the influence of material characteristics, production conditions, equipment precision, and process level, the single battery has differences in its capacity, voltage, internal resistance and other parameters, so it is necessary to combine the single battery. Contents of the invention [0003] The present invention aims at solving one of the above technical problems at least to a certain extent or at least providing a useful commercial choice. Therefore, an object of the present invention is to provide a battery assembly method with the advantages of high assembly quality, simple operation, and easy operation. [0004] In order to achieve the above objec...
Claims
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IPC IPC(8): H01M10/42
CPCH01M10/4207H01M10/4285Y02E60/10
Inventor 吴生先
Owner 北汽云南瑞丽汽车有限公司