aluminum-ion
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Stanford's aluminum battery fully charges in just one minute
Lithium-ion batteries have been a boon for the modern world -- they've replaced the heavier, single-use alkaline type in everything from wristwatches to jumbo jets. Unfortunately, these rechargeable cells are already struggling to keep up with our ever-increasing energy needs. But a new type of aluminum-ion battery developed at Stanford University is not only less explode-y than lithium, but also can be built at a fraction of the price and recharges completely in just over a minute. Best of all, "Our new battery won't catch fire, even if you drill through it," Stanford chemistry professor Dai Hongjie boasted in a recent release.
