CN101853960A

CN101853960A - Lead-acid battery active agent

Info

Publication number: CN101853960A
Application number: CN200910061397A
Authority: CN
Inventors: 王海湘; 孙建朋
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-03
Filing date: 2009-04-03
Publication date: 2010-10-06
Anticipated expiration: 2029-04-03
Also published as: CN101853960B

Abstract

The invention relates to the field of maintaining the performances of a lead-acid battery and prolonging the service life of the lead-acid battery, in particular to a lead-acid battery active agent. The lead-acid battery active agent is characterized by comprising the following components in percentage by mass: 11-17% of aluminum sulfate, 4-10% of magnesium sulfate, 5-10% of zinc sulfate, 3-6% of ammonium sulfate, 1-3% of disodium ethylene diamine tetraacetic acid and the balance de-ionized water.

Description

Lead-acid battery active agent

Technical field

The present invention relates to the performance maintenance of lead acid accumulator and increase the service life, specifically, relate to a kind of lead-acid battery active agent.

Background technology

At present be 10 years plate designs useful life of lead acid accumulator, but because condition and the situation difference used, have only the useful life of most storage battery about 2 years, by dissection, can be clearly seen that and adhering to the hard lead sulfate crystallization of white on the pole plate, because the existence of lead sulfate crystallization to accumulator plate, reduced effective contact area on the pole plate, blocked the passage of ion-exchange, the decline that has caused lead acid accumulator to hold discharge capability is finally abandoned until scrapping.Because the pole plate of lead acid accumulator is to be made of velvet-like lead and brown lead oxide, therefore in the process of abandoning and reclaiming, very easily environment is caused serious pollution.

For the maintenance and the maintenance of present lead acid accumulator performance, all adopt two kinds of methods both at home and abroad:

1, the electronics physical method.

2, electrochemical method.

The former is applicable to the basic normal storage battery of ion channel, and is more satisfactory for such battery performance, but for using the long period, and the serious lead acid accumulator effect of lead sulfate crystallization is then not obvious on the pole plate.

The latter's electrochemical method, its alkalescence of its constituent is bigger, and metal ion is also more simultaneously, has also increased the self discharge of storage battery when safeguarding, and is also not obvious for the capacity and the life-time dilatation thereof of storage battery in a word.

Summary of the invention

Lead-acid battery active agent.

The present invention has overcome above-mentioned shortcoming, has proposed a kind of lead-acid battery active agent prescription.

The technical solution adopted for the present invention to solve the technical problems is:

Lead-acid battery active agent by: lead sulfate, magnesium sulfate, zinc sulfate, ammonium sulfate, disodium ethylene diamine tetraacetate, deionized water are formed.

Its part by weight is: aluminum sulfate 11～17%, magnesium sulfate 4～10%, zinc sulfate 5～10%, ammonium sulfate 3～6%, disodium ethylene diamine tetraacetate 1～3%, deionized water replenish 100%.The summation of each group is 100%.

In above-mentioned compositional range, under specific process conditions, can effectively satisfy the performance maintenance of lead acid accumulator.

The effect of lead-acid battery active agent is:

Ammonium sulfate and magnesium sulfate constitute deoxidier jointly, in the use of lead acid accumulator, reasons such as dehydration that influences such as pole plate is put owing to overcharging, crossing, temperature cause or sulfuration, can form the acidifying phenomenon, cause lead oxide to come off, pole plate is loose, poor activity, the deoxidation of this deoxidier is to assist lead sulfate particle quick decomposition and reduction.Can replenish the moisture in the electrolyte, solve the problem of dehydration, simultaneously pH value is adjusted at optimum state.

Concrete execution mode

1, the preparation of lead-acid battery active agent

Measure the deionized water of 57ml with graduated cylinder.

Weigh in the balance and get 15g aluminum sulfate, 9g magnesium sulfate, 10g zinc sulfate, 6g ammonium sulfate, 3g disodium ethylene diamine tetraacetate.

The sequencing that takes by weighing according to above-mentioned balance joins in the deionized water successively, stirs while adding, until dissolving fully.

2, add preparation of the present invention and maintenance free cell for lead acid accumulator

The standard of adding:

(1) normal capacity storage battery addition is monomer A H 0.4～0.8ml

(2) the battery performance addition that slightly descends is monomer A H 1～1.5ml

(3) the battery performance more addition that descends is monomer A H 2～4ml

Use case example table (70% lead acid accumulator was example to lose efficacy)

Composition	Case 1	Case 2	Case 3	Case 4	Case 5
Composition	Case 1	Case 2	Case 3	Case 4	Case 5	Aluminum sulfate	?12?％	?13％	?14％	?15％	?16％
Magnesium sulfate	?5％	?6％	?7％	?8％	?9％	Aluminum sulfate	?12?％	?13％	?14％	?15％	?16％
Magnesium sulfate	?5％	?6％	?7％	?8％	?9％	Zinc sulfate	?6％	?7％	?8％	?9％	?10％
Ammonium sulfate	?3％	?4％	?4％	?5％	?6％	Zinc sulfate	?6％	?7％	?8％	?9％	?10％
Ammonium sulfate	?3％	?4％	?4％	?5％	?6％	Disodium ethylene diamine tetraacetate	?1％	?1％	?2％	?2％	?3％

Under the situation of case 1:

Because the concentration of adding is lower, the speed of reaction is slower, and the time of recovery is longer, and only returns to 40% of battery capacity.

Under the situation of case 2:

Reaction speed changes to some extent, capacity restoration to 50%.

Under the situation of case 3:

Capacity brings up to 65%.

Under the situation of case 4:

Under this condition, desulfuration speeds up, and does not produce heat, returns to 90% of nominal capacity easily.

Under the situation of case 5:

Whole reaction is similar to case 4, and capacity is increased to 92%.

Claims

1. lead-acid battery active agent is characterized in that;

Calculate by mass percentage, contain:

Aluminum sulfate 11～17%

Magnesium sulfate 4～10%

Zinc sulfate 5～10%

Ammonium sulfate 3～6%

Disodium ethylene diamine tetraacetate 1～3%

The deionized water surplus.