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utorak, 19.10.2010.

Lithium batteries for electric vehicles New Development

Lithium batteries for electric vehicles New Development

French National Research Institute (CNRS) and the French Atomic Energy Commission, "a new innovative energy technologies and nano-materials laboratory" (CEA-Liten) experiment scientists modified a "domino - Order model" shows that the internal lithium iron partial acid stress contributed to inter-regional electric and ionic conduction, so that battery operation. The future can rely on lithium iron phosphate batteries, which is an environmentally friendly material with excellent performance, low cost and has good thermal stability (from a security perspective is very important). All these advantages make it a future lithium batteries for electric vehicles the best materials. However, this material does not work with the electrode and the conductive properties of ion conduction.

CNRS Bordeaux, under the Institute of Solid Materials Chemistry, chemist and CEA-Liten research partners for the first time on this "paradox" phenomena explained. By studying lithium iron phosphate, they reveal a "domino - the order of the process, so that the battery charge - discharge cycles possible. Once the discharge of materials and have been discharged, the pressure interface of the material, this phenomenon occurs. As the interface mobile, the interface area will be electrical and ionic conduction very rapidly like dominoes.

This new reaction process, explained the two insulating materials (a kind of state in charge, and the other in the discharged state) how we can make lithium-ion battery operation. This is the people of the future needs of low-cost and safety of lithium battery electrode materials has taken an important step. Results also help people understand the future for hybrid and electric vehicles internal lithium iron phosphate nano-scale process.

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