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Japan: New lithium-air cell could make car recharging obsolete

Two Japanese researchers said they’ve developed a new type of large capacity, lithium-air cell that holds promise in car batteries.

The plan from the Japanese researchers calls for an electric car driver to exchange one type of electrolyte in a battery cell for a new air electrode when the battery runs low. The person wouldn’t have to wait for the batteries to be recharged, much like a plan being touted by Better Place that would allow drivers to swap out batteries at filling stations (see Hawaii becomes next stop for Better Place).

A battery, which converts chemical energy to electrical energy, is made of voltaic cells. Each voltaic cell consists of cells connected by a conductive electrolyte that contains anions (negatively-charged ions) and cations (positively-charged ions).



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