[introduction]Theoretic tell, with losing pulse means to charge conduce to reduce batteries to charge in the process ” vulcanization ” and ” polarization ” phenomenon, increase the compound rate of gas of negative pole oxyhydrogen, reduce batteries to dehydrate. But specific quantified effect still has bigger controversy in the world so far. This kind is going up the earliest theoretically century 60 time had appeared, arrive dispute is at present bigger still. Although the effect to losing pulse is open to question, but everybody admits all the time: Apply pulse reasonably to charge means does not have apparent undesirable consequence to batteries itself.

One, a few commonly used kinds charge means introduction:

? Means of constant current voltage limiting

This means basically applies in the domain such as online UPS. Plumbic acerbity accumulator charges the process divides a level, the first phase is constant current process, electric current is worth general set in; of 0.3C less than the 2nd phase is constant voltage phase, voltage set is controlled in 13.7V (it is with 12V batteries exemple) . To putting the batteries of sky completely, need ability of 40 hours above to fill cell completely commonly with this kind of method. This kind charges methodological advantage is circuit simple, can give a system and connect power supply, long period charges to also had been not had fill hidden trouble. Insufficient place is to charge time is too long. In telecommunication and lash-up lighting system, basic it is this kind charges mode.

? “Constant current + all fill + float is filled ” 3 paragraphs of type

The room that basically uses at needing to fill square report often (be like dynamoelectric bicycle)

? Constant current + time all fill + float is filled ” improve 3 paragraphs of type

This is a kind 3 paragraphs of improved type, its time the purpose that all fills is to reduce accumulator unusual dehydrate and calorific metabolic hidden trouble;

? Multistage Duan Zheng (lose) pulse type

Theoretic tell, with losing pulse means to charge conduce to reduce batteries to charge in the process ” vulcanization ” and ” polarization ” phenomenon, increase the compound rate of gas of negative pole oxyhydrogen, reduce batteries to dehydrate. But specific quantified effect still has bigger controversy in the world so far. This kind is going up the earliest theoretically century 60 time had appeared, arrive dispute is at present bigger still. Although the effect to losing pulse is open to question, but everybody admits all the time: Apply pulse reasonably to charge means does not have apparent undesirable consequence to batteries itself.

2, how to decide whether accumulator is full of

? Inside the electric current with acceptability batteries and voltage limits, the electric energy that should flow into batteries no longer the chemical energy of translate into accumulator, when making batteries calorific then, can think batteries has been been full of, because if be filled again,enter excessive electric current when, accumulator can give out heat badly exhaust is dissilient even attaint.

? Determine the capacity of a cell that fills report completely (install duration) when, shed electronic load with constant most accurate and convenient. When the attention discharges with different discharge fold, get ” time electric current is become indigestion (AH) ” it is not complete all the time, specific difference sees the technical curve of battery manufacturer is expressed.

3, accumulator capacity drops and the reason of invalidation

? Undercharge

From electrochemistry reaction looks, undercharge expression is yin and yang two plate are vitriolic lead cannot transform completely for fungous lead and 2 oxidation lead, this makes batteries capacitance insufficient, if fill insufficient report for a long time, can cause vitriolic lead crystallization, grain increases, make plate vulcanization, batteries tastes qualitative change bad. |

? Overcharge

Overcharge, the oxygen that can make positive pole arises measures those who be more than cathode to absorb ability, make batteries internal pressure increases thereby, develop relief valve finally, the excessive outside gas, bring about electrolyte to decrease. Additional overcharge, active to plate of yin and yang material also can produce concussion effect, make active material bate, destroyed the grid interface of positive electrode board, make A element turns B into the element, and B element is not reversible. Although recharge is irreclaimable also capacity, battery life shortens greatly.

? Batteries craft difference produces the fluid of relief valve leakage that causes because of craft blemish in the process, positive electrode board to corrode in batteries, be out of shape, active matter drops, the bate invalidation that cause

4, the capacity that how charger defers batteries fails

? As far as possible of 100% fill cell, the chemical material in letting batteries attends entirely fill discharge reaction, reduce what vitriolic lead crystallizes to generate expand with accumulation.

? Charging later period, want to adopt necessary step to reduce speed of aeriform separate out and analyse tolerance, the loss that reduces batteries electrolyte thereby (abbreviation dehydrates) if use means of constant voltage of constant current of two paragraphs of type, two afore-mentioned very easy implementation, but use a field to dynamoelectric bicycle, of 40 hours charge time is far from suit is actual. What people can accept is normal charge time must be less than 12 hours, because this must use 3 paragraphs of type or intelligent pulse formula,just can satisfy to charging the requirement of time. No matter be common,3 paragraphs of type still are pulse type, charging later period if voltage batteries is inferior, it is inside demarcate time undercharge, if charge voltage is taller, inevitable meeting causes electrode gas of around many separate out. Graphic representation issueing a page is gassing and compound with specific data. The hydric oxygen gas when separate out cannot when seasonable and compound pressure increases, batteries can pass a platoon implement exhaust of a powerful person dehydrates ‘ the charger with reasonable design should be in assure to assure to fill report above all inside definitive time, want to reduce speed of aeriform separate out and gassing amount as far as possible at the same time.

5, pulse of much angle look upon charges technology

? Theoretic tell, with losing pulse means to charge conduce to reduce batteries to charge in the process ” vulcanization ” and ” polarization ” phenomenon, increase the compound rate of gas of negative pole oxyhydrogen, reduce batteries to dehydrate.

? Apply pulse reasonably to charge means does not have apparent undesirable consequence to batteries itself.

? Production enterprise of charger of domestic much home and individual claim their pulse charger can prolong battery life one times above. How many does the effect have after all, after believing 9 years, broad consumer can have verdict. The effect that charges to pulse comes 40 years unanimous view has not been formed on international, large quantities of practice data that perhaps wait for China two years again can offer sufficient argument.

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