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A kind of activator of nuclear power plant fixed type anti-acid lead-acid storage battery and preparation method thereof

A lead-acid battery and activator technology, applied in the direction of lead-acid batteries, battery electrodes, secondary batteries, etc., can solve the problems of poor battery repair effect, difficult battery resonance frequency value, long chemical method cycle, etc., and achieve good safety application Value and environmental protection value, improvement of conductive network, effect of improvement of charge and discharge rate

Active Publication Date: 2022-05-20
CHINA NUCLEAR POWER ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the resonant frequency is related to the size of the crystal, the larger the size, the lower the resonant frequency, the more difficult it is to judge the resonant frequency value of each battery
In addition, its design is complicated and the cost is high
[0009] The traditional chemical method has a long period and poor effect. Generally, it can only treat slightly sulfurized acid batteries, and the repair effect on severely sulfurized batteries is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The activator of the fixed acid-proof type lead-acid storage battery of the nuclear power station of the present embodiment is made from the raw material of following percentage by weight: 0.5% of sodium sulfate, 1.5% of sodium silicate, 3% of acrylamide, 0.3% of barium sulfate, 2% of silicon nitride , polyvinyl alcohol (molecular weight 56,000 to 58,000) 0.1%, salicylic acid 0.2%, graphene (each graphene sheet contains 20-70 carbon atomic layers) 1%, deionized water 91.4%.

[0031] The specific preparation process method of the activator is as follows.

[0032] Put sodium sulfate, sodium silicate, barium sulfate, and silicon nitride in a container, add a certain amount of deionized water at 60°C, and stir for 75 minutes. During the stirring process, no other impurities should be introduced, and the addition percentage should not be reduced to obtain a mixed solution.

[0033] The mixed solution was oscillated by ultrasonic wave for 20 minutes. During the oscillating pr...

Embodiment 2

[0038]The activator of the fixed acid-proof type lead-acid storage battery of the nuclear power plant of the present embodiment is made by the raw material of following percentage by weight: sodium sulfate 1%, sodium silicate 1.5%, acrylamide 2.5%, barium sulfate 0.3%, silicon nitride 1% , polyvinyl alcohol (molecular weight 56,000 to 58,000) 0.5%, salicylic acid 0.1%, graphene (each graphene sheet contains 20-70 carbon atomic layers) 2%, deionized water 91.1%.

[0039] The specific preparation process method of the activator is as follows.

[0040] Put sodium sulfate, sodium silicate, barium sulfate, and silicon nitride in a container, add a certain amount of deionized water at 60°C, and stir for 75 minutes. During the stirring process, no other impurities should be introduced, and the addition percentage should not be reduced to obtain a mixed solution.

[0041] The mixed solution was oscillated by ultrasonic wave for 20 minutes, the temperature of the solution was kept at 6...

Embodiment 3

[0046] The activator of the fixed acid-proof type lead-acid storage battery of the nuclear power plant of the present embodiment is made from the raw material of following percentage by weight: sodium sulfate 0.5%, sodium silicate 2%, acrylamide 2%, barium sulfate 0.2%, silicon nitride 1% , polyvinyl alcohol (molecular weight 56,000 to 58,000) 0.6%, salicylic acid 0.1%, graphene (each graphene sheet contains 20-70 carbon atomic layers) 1.5%, deionized water 92.1%.

[0047] The specific preparation process method of the activator is as follows.

[0048] Put sodium sulfate, sodium silicate, barium sulfate, and silicon nitride in a container, add a certain amount of deionized water at 60°C, and stir for 75 minutes. During the stirring process, no other impurities should be introduced, and the addition percentage should not be reduced to obtain a mixed solution.

[0049] The mixed solution was oscillated by ultrasonic wave for 20 minutes, the temperature of the solution was kept a...

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PUM

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Abstract

The invention belongs to the technical field of batteries, and relates to an activator for fixed acid-proof lead-acid storage batteries in nuclear power plants and a preparation method thereof. The activator is made of the following raw materials in weight percentage: 0.1%-1% sodium sulfate, 1%-2% sodium silicate, 2%-4% acrylamide, 0.1%-0.5% barium sulfate, silicon nitride 0.5%‑2.5%, polyvinyl alcohol 0.1%‑0.6%, salicylic acid 0.1%‑0.2%, graphene 0.01%‑2.9%, and the rest is deionized water. Utilizing the activator of the nuclear power plant fixed acid-proof lead-acid storage battery and the preparation method thereof of the present invention, the prepared activator can better eliminate vulcanization.

Description

technical field [0001] The invention belongs to the technical field of batteries, and relates to an activator for fixed acid-proof lead-acid storage batteries in nuclear power plants and a preparation method thereof. Background technique [0002] In order to ensure the power supply reliability of nuclear safety-related systems in nuclear power plants, uninterruptible power supplies and DC systems are designed to use safe lead-acid battery packs, which are widely distributed in electrical power plants and conventional islands. Among them, the nuclear island battery is generally designed as a fixed acid-proof lead-acid battery, which consists of a certain number of single batteries with a nominal voltage of 2V connected in series to form a battery pack, which are connected with each other by battery connectors. The battery pack is usually in the floating charging state. When the charger fails or the 380V power supply of the charger is lost, the battery pack provides DC power t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/62H01M4/04H01M10/42H01M10/06
CPCH01M4/628H01M4/625H01M4/04H01M10/4242H01M10/4235H01M10/06Y02E60/10
Inventor 于天君谌登华赵德鹏孙涛
Owner CHINA NUCLEAR POWER ENG CO LTD