Square wave voltammetry battery sorting method and device

A square wave voltammetry and battery technology, which is used in measuring devices, sorting, measuring electricity, etc., can solve the problems of long time and high power consumption in the sorting process, and achieve the effect of easy operation and fast sorting.

Inactive Publication Date: 2014-03-26
HARBIN ZHIMU TECH
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0002] The currently commonly used battery classification methods generally need to measure the parameter changes in the battery charging and discharging process as the basis for battery sorting. However, these methods often take a long time and consume a lot of power during the sorting process. The present invention proposes a The square-wave voltammetry battery sorting method and device can realize rapid sorting of batteries, and almost no power consumption is required, and the sorting efficiency is significantly improved

Method used

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  • Square wave voltammetry battery sorting method and device
  • Square wave voltammetry battery sorting method and device

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Experimental program
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Embodiment

[0017] Reference attached figure 1 , attached figure 2 ;

[0018] 1. The intelligent controller (1) sets the potential waveform of the potentiostat (2), refer to the appendix figure 2 ;

[0019] 2. The potentiostat (2) inputs the positive pulse potential of cycle 1 to the battery under test (3);

[0020] 3. After the current formed on the battery under test (3) is processed by the current sensor (4) and the sample / holder (5), it is sent to the intelligent controller (1) for recording;

[0021] 4. The potentiostat (2) inputs the negative pulse potential of cycle 1 to the battery under test (3);

[0022] 5. After the current formed on the battery under test (3) is processed by the current sensor (4) and the sample / holder (5), it is sent to the intelligent controller (1) for recording;

[0023] 6. Repeat steps 2-5, the potentiostat (2) sequentially inputs the potential of each cycle to the battery under test (3);

[0024] 7. After all the cycles are completed, the recorde...

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Abstract

The invention relates to a square wave voltammetry battery sorting method and device. The device comprises an intelligent controller (1), a constant potential rectifier (2), a measured battery (3), a current sensor (4) and a sampling/retaining appliance (5). The invention simultaneously provides the square wave voltammetry battery sorting method. The square wave voltammetry battery sorting method is characterized in that a measurement process is circularly composed of a series of small steps, a delta Ep forward direction electric potential with one pulse height is applied on the battery and can keep constant in each circulation, the current sampling is preformed after special time t, a delta Ep negative direction electric potential with one pulse height is applied on the battery and can keep constant, the current sampling is preformed after special time t, then the potential changes a small range delta Es, the next circulation begins, a changing curve of the current to the voltage in the whole circulating process is recorded, and same batteries are marked in the same kind according to the changing curve.

Description

technical field [0001] The invention relates to a square wave voltammetry battery sorting method and device, belonging to the field of battery detection. Background technique [0002] The currently commonly used battery classification methods generally need to measure the parameter changes in the battery charging and discharging process as the basis for battery sorting. However, these methods often take a long time and consume a lot of power during the sorting process. The present invention proposes a The square-wave voltammetry battery sorting method and device can realize rapid sorting of batteries, and hardly consume electric energy, and the sorting efficiency is obviously improved. Contents of the invention [0003] The present invention aims to provide a square wave voltammetry battery sorting method and device, which can quickly sort batteries without long-term charging and discharging operations. [0004] To achieve the above-mentioned purpose, the present inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07C5/344G01R31/36
Inventor 李金录范金荣
Owner HARBIN ZHIMU TECH
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