Storage battery staged internal formation charging process

A storage battery, internalization technology, applied in the direction of secondary battery charging/discharging, secondary battery repair/maintenance, etc., can solve the problems of prolonging the formation time, reducing the current efficiency, increasing energy consumption, etc., to shorten the process time and reduce the consumption. The effect of electricity

Active Publication Date: 2013-11-20
河北超威电源有限公司
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Problems solved by technology

When the formation current is low, the current density decreases, and the formation charge is insufficient, resulting in impermeable formation of the plate.
If the formation time is prolonged, on the one hand, the production efficiency will be reduced; on the other hand, the long-term immersion of the plate in the sulfuric acid electrolyte will make the lead sulfate crystals on the surface of t

Method used

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[0034] The technical solutions of the present invention will be described in detail below in conjunction with the embodiments of the substrate, but the following embodiments are only preferred embodiments of the present invention, and not all of them. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without creative work shall fall within the protection scope of the present invention.

[0035] The present invention provides a staged internalization charging process for accumulators, including the following five stages:

[0036] In the first stage, the corrosion layer is internalized into a charging stage. The corrosion layer is the lead oxide produced between the lead paste and the grid during the curing process; this stage specifically includes the following steps: the first step, 0.01C 2 (A) Charge for 2 hours; the second step, 0.02C 2 (A) Charge for 0.5 hours; the third step, 0.05C 2 (A) Charge for 0.5 hours; the fourth step...

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Abstract

The invention discloses a storage battery staged internal formation charging process and relates to the field of storage battery formation, solving the technical problems of long formation time and low electricity utilization rate in the prior art. In the internal formation charging process disclosed by the invention, staged treatment is carried out according to the principle of the formation process, different internal formation charging methods are adopted according to different characteristics of each stage, and depolarization is carried out on a storage battery by virtue of deep discharging and standing, so that the process time of internal formation can be shortened, and the electricity consumption can be reduced.

Description

【Technical field】 [0001] The invention relates to a storage battery processing method, in particular to a charging process for internal formation of the storage battery. 【Background technique】 [0002] The battery formation process is divided into two methods: internal formation process and external formation process. The existing internal formation process of the battery is completed by one-time charging with acid, and the density of the added electrolyte is too high, resulting in long charging time and low activity during the internal formation process of the battery. In the process of material conversion, the efficiency of electrochemical reaction is low. Moreover, in the internal formation process, the formation current is an important process parameter. The magnitude of the forming current has a great influence on the forming efficiency, the forming cost and the forming quality of the plate. When the formation current is low, the current density decreases, and the for...

Claims

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Application Information

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IPC IPC(8): H01M10/44
CPCY02E60/12Y02E60/10
Inventor 周明明张凯马洪涛张绍辉
Owner 河北超威电源有限公司
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