2012年8月22日星期三
Charged battery storage okay
The lithium-ion battery has a feature that is very bad, is a lithium-ion battery aging (or aging, foreigners called aging), lithium-ion battery in storage for some time, even without recycling, its capacity will be permanent loss, which is due
Positive and negative materials for lithium-ion batteries from the factory had already started a course of its failure. Different temperature and the battery is fully charged state, the different consequences of aging, the following data is taken from Reference [1], the form of a percentage of the capacity column out:
Storage Temperature - 40% state of charge ------- 100% state of charge
0 degrees ------- 98% (one year later) ----- 94% (one year later)
25 ------ 96% (one year later) ----- 80% (one year later)
40 degrees ------ 85% (one year later) ----- 65% (one year later)
60 ------ 75% (one year later) ----- 60% (after 3 months)
Shows, the higher the storage temperature and battery charge and the more you eat, the more severe the loss of its capacity. So I do not recommend long-term preservation of the lithium-ion battery, Instead, manufacturers should treat the rotten food as recycling. Users should pay close attention battery production
external battery pack, iphone backup battery case, extra iPhone charger
Dates.
If the user hands idle battery, then the the experts recommended storage conditions for the charge level is 40%, the storage temperature is below 15 degrees or lower.
The nickel-metal hydride batteries and nickel-cadmium battery is almost not subject to this limitation, nickel-based batteries during long-term storage of several deep charge deep discharge, can be restored to its original capacity.
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