Negative electrode diachylon used for high-performance AGM battery and preparing method thereof
A negative electrode paste, high-performance technology, applied in the direction of battery electrodes, circuits, electrical components, etc., can solve the problems of poor charge acceptance performance, poor dynamic charge acceptance performance, prone to sulfation of the negative plate, and difficulty in meeting the requirements of starting and stopping. Achieve the effect of comprehensive performance improvement, excellent charging acceptance performance, and improvement of dynamic acceptance characteristics
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Embodiment 1
[0033] Add 100kg of lead powder (containing 75% PbO by mass) into the paste mixing machine. Add 0.1kg medium and high specific surface area carbon black, 0.3kg low specific surface area conductive carbon black, 0.5kg ultrafine barium sulfate, 0.1kg sodium lignosulfonate, 0.5kg humic acid into the water mixing tank, and then add 10kg purification Water, stir and mix at a high speed and then pour into the paste mixing machine. After wet mixing with lead powder, the density is 1.400g / cm. 3 (25°C) sulfuric acid 9kg, control the temperature of the paste at 60°C during the paste mixing process, stir evenly, cool down to 40°C, and get the negative lead paste after the paste is produced.
Embodiment 2
[0035] Add 90kg of lead powder (containing 75% PbO by mass) into the paste mixing machine. Add 1kg medium and high specific surface area carbon black, 0.2kg low specific surface area conductive carbon black, 0.3kg ultrafine barium sulfate, 0.1kg sodium lignosulfonate, 0.1kg humic acid into the water mixing tank, then add 10kg purified water , high-speed stirring and mixing evenly and then pouring into the paste mixing machine, after wet mixing with lead powder, the density of rapid pouring is 1.42g / cm 3 (25°C) sulfuric acid 3kg, control the temperature of the paste at 60°C during the paste mixing process, stir evenly, cool down to 40°C, and get the negative lead paste after the paste is produced.
Embodiment 3
[0037]Add 100kg of lead powder (containing 80% PbO by mass) into the paste mixing machine. Add 0.8kg medium and high specific surface area carbon black, 1kg low specific surface area conductive carbon black, 0.5kg ultrafine barium sulfate, 2kg sodium lignosulfonate, 0.2kg humic acid into the water mixing tank, then add 15kg purified water, After mixing at high speed, it is poured into the paste mixing machine. After wet mixing with lead powder, the density is 1.42g / cm. 3 (25°C) sulfuric acid 7kg, control the temperature of the paste at 50°C during the paste mixing process, stir evenly, cool down to 30°C, and get the negative lead paste after the paste is produced.
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