New battery seems to offer it all: Lithium-metal/lithium-air electrodes

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We know them and love them, lithium batteries power the modern world. But they don’t come without there own set of challenges. New research is showing some promising results with the use of lithium-air. Via ArsTechnica:

But a recent paper describes a battery that uses lithium metal at one electrode and lithium air for the second. By some measures, the battery has decent performance out to over 1,000 charge/discharge cycles.

But the big standout is energy density. The researchers estimate that, even in this immature state, the technology stored about 685 watt-hours per kilogram, which is more than double most current batteries. It also managed an energy-to-volume that was just shy of double that of typical lithium-ion batteries. So, in that sense, it lives up to the promise of its two electrodes.

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