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Stanford’s aluminum battery entirely charges in only one minute

A mobile phone display, charging battery

Lithium-ion batteries have been a bonus for a complicated universe — they’ve transposed a heavier, single-use alkaline type in all from wristwatches to jumbo jets. Unfortunately, these rechargeable cells are already struggling to keep adult with a ever-increasing appetite needs. But a new form of aluminum-ion battery grown during Stanford University is not usually reduction explode-y than lithium, it can also be built during fragment of a cost and recharges totally in just over a minute. Best of all, “our new battery won’t locate fire, even if we cavalcade by it,” Stanford chemistry highbrow Dai Hongjie boasted in a new release.

Unlike progressing aluminum batteries, that generally unsuccessful after usually about 100 recharge cycles, Stanford’s antecedent can cycle some-more than 7,500 times but any ability detriment — 7.5 times longer than your normal li-ion. The aluminum-ion dungeon isn’t ideal (yet) as it can usually furnish about 2 volts, distant reduction than a 3.6V that lithium-ion an muster. Plus aluminum cells usually lift 40 watts of electricity per kilogram compared to lithium’s 100 to 206 W/kg appetite density. “Improving a cathode element could eventually boost a voltage and appetite density,” pronounced Dai. “Otherwise, a battery has all else you’d dream that a battery should have: inexpensive electrodes, good safety, high-speed charging, coherence and prolonged cycle life. we see this as a new battery in the early days. It’s utterly exciting.”


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http://www.engadget.com/2015/04/06/stanfords-battery-charges-in-one-minute/

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