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Lithium battery forklift battery plate to eliminate steps

by:Vglory      2020-09-14
Lithium battery forklift batteries belong to lead a major categories, as the growth of the use of time, the hardness of lead will be more and more high, sulfide becomes serious, this is a big drawback lead-acid battery, if the production of lithium battery forklift lead purity is not enough, or use recycled lead production, time will accelerate vulcanization, resulting in a decline in the capacity of the late use soon, so have no way to solve this problem? With the speeding up of the domestic industrial development, industrial equipment, the application of vehicle will increase, our country each year consume large amounts of lead acid lithium battery, not strictly handle or extend battery life, appears, secondary pollution, shenzhen power supply co. , LTD. , since 2000 has contact with forklift battery research and development, the plate of lithium batteries must be removed, otherwise it will affect the normal work of the lithium battery, depending on the degree of cure, can use different methods to eliminate them. To circulate on the market of industrial battery about talk about vulcanization eliminate simple steps: 1, small current charging method. For the plate is not very serious lithium battery small current charging method to eliminate are available, and the method is to use charge at the beginning of the second phase of the charging current ( About 1/30 of the rated capacity) And for a long (or smaller current, 40~50h) Charge until it is sufficient, then to 20 h after electric discharge rate, again with small current charging, so repeatedly, until the lithium battery capacity meets the requirements ( The 80% of rated capacity) So far. Before using the electrolyte density and height should be adjusted. 2, water treatment method. When the plate is serious, 'water treatment method' can be used to repair. Its method is to use lithium battery 20 h discharge rate discharge to the single battery voltage is 1. 75 v, and then poured out electrolyte, add distilled water, let stand for 1 h, reoccupy at the beginning of charging charging current to charge in the second stage. To the electrolyte density up to 1. 15 g/mL, then to terminate the above discharge current discharge voltage. Then in the charging current of the original charge, until the electrolyte density rise no more. So, finally when the lithium battery capacity reaches 80% of the rated capacity, said work completed. Adjust the electrolyte density ( 1. 28g/mL) And liquid surface height can be used. 3, chemical processing method. For lithium battery plate serious sulfide, can adopt the method of adding chemicals to sulfur. The method is: first the lithium battery with 20 h discharge rate of the electric light, pour out of the electrolyte, with distilled water rinse again, and then mixed density of 1. 100 - 1. 150 electrolyte, according to the weight ratio in the electrolyte to 0. 1% - 0. 5% of chemically pure potassium or sodium carbonate, in order to not make the electrolyte density has significant changes in the limit. Add mixture into the battery electrolyte, the liquid level height reach regulation, with 1/20 rated capacity lithium battery charging current, when the single battery voltage reaches 2. 4 v, will continue to charge current in half, until enough, and then discharge and recharge, so repeatedly, until the capacity to 80% rated capacity. End does not need to charge the battery electrolyte poured out, adjust the electrolyte density and height according to the rules can be used. 4, lithium battery plate vulcanizing prevention, correct storage of lithium battery. Temporary does not use lithium batteries during wet storage battery should be adequate electricity, density reaches 1. 285, liquid level height to normal, sealed after each single gal liquid slug vent placed in dark room. Storage time should not be more than 6 months, during which should regularly check the electrolyte density and battery capacity, such as less than 25%, should be timely supplement charge. Long-term storage of lithium battery, dry storage method should be adopted, with 20 h discharge rate is washed with distilled water several times completely discharge, dump out of the electrolyte and acid, repeatedly washing with distilled water to the water poured water droplets, air-dried tighten and sealed storage after the liquid slug, in strict accordance with the requirements of the new lithium battery or repair after the initial charge lithium battery, and then put into use, as far as possible use lithium battery often is in a state of full charge, discharge no more than 25% in winter, summer discharge no more than 50%, when using lithium battery in the car, often have insufficient charging phenomena ( Especially the short-distance transportation vehicles and vehicle driving training venues) According to the need to boost charge lithium battery ( Generally at least once a month) , in a timely manner to add distilled water ( Cannot replace with river water and well water, etc) The electrolyte level from too low. But in practice the steps above, must be professional in lithium battery forklift battery manufacturer or dealer, or there is a certain risk.
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