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RESEARCHJune 15, 2009Biomass could yield green batteriesTurn an acid found in plants into a salt, add a dash of lithium, and you have a recipe for environmentally benign batteries.Lithium-ion batteries are widely used in electronic devices including computers, and in some electric and hybrid electric vehicles. The minerals used to make today's lithium-ion batteries are a limited resource and require high temperature processing, which emits carbon dioxide. An alternative is using phytic acid -- widely found in grains and seeds -- to produce tetrahydroxybezoquinone, which, in turn, can be processed into a lithium salt suitable for batteries. These all-organic batteries operate at voltages that are too low to be practical, but future research promises to improve their performance. Research paper: Lithium Salt of Tetrahydroxybenzoquinone: Toward the Development of a Sustainable Li-Ion Battery Journal of the American Chemical Society, published online May 28, 2009 Researchers' contact: Philippe Poizot Back to ERN June 15, 2009 |
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