Eight Innovations That can Change Your Life

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New battery has a lengthened lifespan

Researchers at University of California, Irvine, USA, have invented nano-wire based battery material that can be recharged thousands of times, moving us closer to a battery that would never require replacement. This breakthrough could lead to commercial batteries with greatly lengthened lifespans for computers, smartphones, appliances, cars and spacecraft.

Scientists have long sought to use nano-wires in batteries. The researchers have solved this problem by coating a gold nano-wire in a manganese-dioxide shell and encasing the assembly in an electrolyte made of a Plexiglas-like gel. The combination is reliable and resistant to failure.

The study leader, UCI doctoral candidate Mya Le Thai, cycled the testing electrode up to 200,000 times over three months without detecting any loss of capacity or power and without fracturing any nano-wire.

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