High-rate lead-acid storage battery built-in electrolyte formula and liquid injection process thereof

Abstract

The invention discloses a high-rate lead-acid storage battery built-in electrolyte formula. On the basis of taking a conventional electrolyte, 0.9-1.6% by mass of sulfate substances are added. The invention also discloses a matched liquid injection process, which is carried out according to the following steps of: adding the sulfate substances into the taken conventional electrolyte, and mixing for at least 5 minutes under the condition of 100-300 r / min. Taking out the mixed electrolyte and carrying out cooling treatment at the temperature of 0-10 DEG C; and finally, carrying out vacuum liquidinjection under the condition of vacuum degree of -40-60 kpa. The added sulfate plays a role in inhibiting the growth speed of large lead sulfate particles. Heat generated by chemical combination canbe counteracted by injecting the low-temperature electrolyte, the purpose of controlling dissolving balance of the lead sulfate in the electrolyte is achieved, the solubility of the lead sulfate is effectively reduced, and as a result, generation of large particles of the lead sulfate is reduced. The two measures can ensure that the matched lead-acid storage battery does not generate the dendritic crystal short circuit problem in the use period.

Description

technical field [0001] The invention belongs to the technical field of electrochemical batteries. Specifically, the invention relates to an electrolyte solution for a lead-acid storage battery, in particular to a formula of a built-in electrolyte for a high-rate lead-acid storage battery. The invention also relates to a matched liquid injection process. Background technique [0002] With the development of the Internet age, the types and quantities of supporting IT equipment have also increased rapidly. IT equipment is also an energy-consuming device. The electricity used is mainly obtained from the national public grid. In order to ensure safe operation, energy storage equipment with a corresponding capacity must be configured. The energy storage equipment currently in use is the first choice for lead-acid batteries. Due to the transportation quality of IT equipment The state and energy consumption characteristics are completely different from other power equipment, so the...

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Problems solved by technology

[0003] The present invention mainly aims at the problem that the electrolyte in the prior art causes the plate to generate lead sulfate, and proposes a high-rate lead-acid battery built-in electrolyte formula with a strong ability to inhibit the formation of lead sulfate. The composition of the formula is reasonable and easy to add

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