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Canadian scientists create powerful new lithium battery material http://apocadocs.com/s.pl?1242687585
Lithium batteries could deliver more than three times their usual power if they contained a new composite material invented by scientists at the University of Waterloo, a study suggests.
The material created by chemistry professor Linda Nazar and her research team contains sulphur, a cheap substance that scientists have been trying to incorporate into rechargeable lithium batteries for a long time, said a news release Monday.
The challenge had been to find a way to keep the electrically active sulphur in intimate contact with a conductor such as carbon, Nazar said in a statement.... "This composite material can supply up to nearly 80 per cent of the theoretical capacity of sulphur, which is three times the energy density of lithium [traditional] transition metal oxide cathodes," Nazar said in a statement.
In addition, the material remained stable when recharged multiple times.
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