Huawei shows off fast-recharging battery
Huawei has developed a prototype smartphone battery that can be recharged to half its capacity in just five minutes.
The battery is based on the same lithium ion chemistry used in cellphone batteries today but gets its advantage from atoms of graphite bonded to the anode, Huawei said on Friday at an industry conference in Japan.
That change means faster charging but not at the expense of usage life or a sacrifice in the amount of energy that can be stored in each battery, it said.
It was developed by Huawei research and development subsidiary Watt Lab and the company showed off two prototypes in videos posted online.
One of the two batteries has a capacity of 3,000mAh (milliampere hours) -- about equivalent to the batteries in modern smartphones -- and can be charged to 48 percent of capacity in five minutes. The second has a much smaller capacity of 600mAh but reaches 68 percent of capacity in just two minutes.
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