Future Batteries Could Run on Brown Liquor [Batteries]

The cathode is often one of the most expensive components of a battery-especially if it's made of cobalt or precious metal. A Swedish scientist may have discovered a way to replace pricey metal cathodes with a goopy byproduct of paper processing known as "brown liquor." More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/3NVS2CbKKGc/these-batteries-run-on-brown-liquor

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