Negative electrode active material used for lead carbon battery and preparation method of negative electrode active material
A negative active material and lead-carbon battery technology, applied in battery electrodes, lead-acid batteries, circuits, etc., can solve problems such as increased plate resistance, reduced battery capacity, failure, etc., to reduce weight, increase energy density, improve The effect of production efficiency
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Embodiment 1
[0025] First, carbon materials were prepared in proportions of 15.0 parts of flying graphite, 25.0 parts of porous carbon particles, 25.0 parts of activated carbon, 5.0 parts of conductive graphite, 10.0 parts of carbon black, and 20.0 parts of acetylene black;
[0026] Secondly, put all the carbon materials into the container, stir evenly and set aside;
[0027] Thirdly, the negative electrode active material is prepared by mixing 60.0% of lead oxide powder, 5.0% of mixed carbon material, 8.0% of sulfuric acid, 1.0% of additive, and 26.0% of deionized water.
[0028] Among them, the density of sulfuric acid is 1.2g / cm 3 . The additive is lignin. Activated carbon is a high specific surface area activated carbon.
[0029] The negative electrode active material can be coated on the negative electrode grid to prepare the negative electrode plate used in the production of lead-carbon batteries.
Embodiment 2
[0031] First, carbon materials were prepared in proportions of 0.1 parts of flying graphite, 30.0 parts of porous carbon particles, 40.0 parts of activated carbon, 15.0 parts of conductive graphite, 9.9 parts of carbon black, and 15.0 parts of acetylene black;
[0032] Secondly, put all the carbon materials into the container, stir evenly and set aside;
[0033] Thirdly, the negative electrode active material is prepared by mixing 65.0% of carbon material, 6.0% of sulfuric acid, 5.0% of additive, and 24.0% of deionized water.
[0034] Among them, the density of sulfuric acid is 1.4g / cm 3 . The additive is sodium lignosulfonate. Activated carbon is a high specific surface area activated carbon.
[0035] The negative electrode active material can be coated on the negative electrode grid to prepare the negative electrode plate used in the production of lead-carbon batteries.
Embodiment 3
[0037] First, carbon materials were prepared in proportions of 12.0 parts of flying graphite, 24.0 parts of porous carbon particles, 24.0 parts of activated carbon, 7.0 parts of conductive graphite, 20.0 parts of carbon black, and 13.0 parts of acetylene black;
[0038] Secondly, put all the carbon materials into the container, stir evenly and set aside;
[0039] Thirdly, the negative electrode active material is prepared by mixing 55.0% of lead oxide powder, 10.0% of mixed carbon material, 7.0% of sulfuric acid, 3.0% of additive, and 25.0% of deionized water.
[0040] Among them, the density of sulfuric acid is 1.6g / cm 3 . The additive is a mixture of lignin and sodium lignosulfonate, wherein the weight ratio of lignin and sodium lignosulfonate is 1:1. Activated carbon is a high specific surface area activated carbon.
[0041] The negative electrode active material can be coated on the negative electrode grid to prepare the negative electrode plate used in the production o...
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Abstract
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