Lead storage battery formation process optimization method

A technology for lead-acid batteries and process optimization, which is applied in the direction of lead-acid batteries, lead-acid battery construction, secondary batteries, etc., can solve problems such as long production cycle, energy consumption, potential control method and time control method are not applicable, and achieve The effects of low energy consumption, high formation efficiency, and short formation time

Active Publication Date: 2020-05-01
TIANNENG BATTERY GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is difficult to accurately control the battery formation by controlling the formation by potential or time.
[0004] In the case of a large change in the ratio of positive and negative active materials, a large change in the density of the electrolyte, or a change in the battery structure design, the formation process of the potential control method and the time control method is not applicable or requires more energy consumption
[0005] For example, the publication number CN101673844 is a method for the internalization of valve-regulated lead-acid batteries, which is used to solve the problems of long time-consuming and long production cycles for internalization of valve-regulated lead-acid batteries

Method used

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  • Lead storage battery formation process optimization method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The battery model is 6-DZF-20 battery.

[0032] Before adding acid, drive the copper nails used as detection electrodes on the bus bar of each single cell, install the acid adding pot for lead storage battery to add acid, insert the reference electrode and temperature sensor (reference electrode and temperature sensor) into the acid adding pot The detection end of the sensor is immersed in the electrolyte), and the reference electrode is a mercurous sulfate electrode, and then chemically formed.

[0033] The optimization steps are as follows:

[0034] The first charge: 1.5A for 0.5h, 2A for 0.5h, 3A for 2h, 5A for 2h, 8A for 2h, the temperature reaches 45°C, 5A for 2h, and the negative potential reaches -1.40V.

[0035] The first discharge: 10A discharge to the positive potential to 0.95V, discharge 0.25h.

[0036] The second charging: 10A charging until the negative pole reaches -1.40V, charging time 0.2h; 6A charging 2h potential change is less than 15mV, charging t...

Embodiment 2

[0046] The battery model is 6-DZF-20 battery.

[0047] Before adding acid, drive the copper nails used as detection electrodes on the bus bar of each single cell, install the acid adding pot for lead storage battery to add acid, insert the reference electrode and temperature sensor (reference electrode and temperature sensor) into the acid adding pot The detection end of the sensor is immersed in the electrolyte), and the reference electrode is a mercurous sulfate electrode, and then chemically formed.

[0048] The optimization steps are as follows:

[0049] The first charge: 1.5A charging for 0.5h, 2A charging for 0.5h, 3A charging for 0.5h, 5A charging for 2h, 5A charging for 4.5h, the temperature reaches 45°C, 3.5A charging for 2.5h, and the negative electrode potential reaches -1.40V.

[0050] The first discharge: 10A discharge to the positive potential to 0.95V, discharge 0.25h.

[0051] The second charging: 7A charging until the negative electrode reaches -1.40V, charg...

Embodiment 3

[0061] The battery model is 6-DZF-20 battery.

[0062] Before adding acid, drive the copper nails used as detection electrodes on the bus bar of each single cell, install the acid adding pot for lead storage battery to add acid, insert the reference electrode and temperature sensor (reference electrode and temperature sensor) into the acid adding pot The detection end of the sensor is immersed in the electrolyte), and the reference electrode is a mercurous sulfate electrode, and then chemically formed.

[0063] The optimization steps are as follows:

[0064] First charge: 1.5A charging for 0.5h, 2.5A charging for 0.5h, 3.5A charging for 0.5h, 4.5A charging for 1h, 5.5A charging for 4.5h, the temperature reaches 45°C, 4.5A charging for 3h, the negative potential reaches -1.40V .

[0065] The first discharge: 10A discharge to the positive potential to 0.95V, discharge 0.3h.

[0066] The second charging: 8A charging until the negative electrode reaches -1.40V, charging time 0....

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Abstract

The invention discloses a lead storage battery formation process optimization method. The method comprises three times of charge-discharge circulation are performed, and then supplementation of electricity and floating charge acid extraction are carried out to complete formation. The lead storage battery formation process optimization method is advantaged in that different types of lead storage batteries are formed through potential control, and the method is not influenced by the proportion of active substances and the thickness of a polar plate, and the method is high in formation efficiency, short in formation time and low in formation energy consumption.

Description

technical field [0001] The invention relates to the technical field of lead storage battery production, in particular to a method for optimizing the formation process of lead storage batteries. Background technique [0002] After years of development in the formation process of lead-acid batteries, the formation time has been continuously shortened and the energy consumption has been continuously reduced, but the pace of innovation and development has not stopped. The formation process of lead-acid batteries requires shorter formation time and lower formation energy consumption. [0003] There are generally two ways to form a lead-acid battery, one is controlled by voltage, and the other is controlled by time. In the battery control method, the voltage during the formation process is affected by the ratio of positive and negative active materials, electrolyte density, and electrolyte temperature. Generally, the design ratio of positive and negative active materials is grea...

Claims

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Application Information

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IPC IPC(8): H01M10/44H01M10/12
CPCH01M10/12H01M10/446Y02E60/10Y02P70/50
Inventor 姚秋实李进兴张开红毛书彦张峰博刘玉许宝云朱建峰安炎韬邓成智李桂发
Owner TIANNENG BATTERY GROUP
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