31 Oct '11, 1am

Fluoride-based batteries to reach ten times energy density of lithium-ion: ESEARCHERS at Karlsruhe Institute of

Fluoride-based batteries to reach ten times energy density of lithium-ion: ESEARCHERS at Karlsruhe Institute of

RESEARCHERS at Karlsruhe Institute of Technology (KIT) have developed a new concept for rechargeable batteries, making use of the fluoride shuttle mechanism. Fluoride shuttle refers to the transfer of fluoride anions between electrodes. According to the researchers, batteries based on this concept could reach higher storage capacity than lithium-ion batteries. The improved energy density (up to ten times that of vanilla lithium-ion batteries) will allow more compact and more powerful batteries: an outcome of particular interest in an increasingly mobile world. Metal fluorides may be applied as conversion materials in lithium-ion batteries. They also allow for lithium-free batteries with a fluoride-containing electrolyte, a metal anode, and metal fluoride cathode, which reach a much better storage capacity and possess improved safety properties. Instead of the lithium catio...

Full article: http://www.electronicsnews.com.au/news/fluoride-based-bat...

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