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A new graphene oxide coating to improve the performance of lithium-sulfur batteries

Tuesday, March 21, 2017 4:23
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Researchers at Yale University have developed an ultra-thin coating material, based on graphene oxide, that has the potential to extend the life and improve the efficiency of lithium-sulfur batteries. The newly developed material is a dendrimer-graphene oxide composite film, that can be applied to any sulfur cathode.

GO coating to improve Li-sulfur batteries performance image

The researchers state that sulfur cathodes coated with the material can be stably discharged and recharged for more than 1,000 cycles, enhancing the battery’s efficiency and number of cycles. In addition, they said “the developed film is so thin and light it will not affect the overall size or weight of the battery, and thus it will function without compromising the energy and power density of the device”.



Source: http://www.graphene-info.com/new-graphene-oxide-coating-improve-performance-lithium-sulfur-batteries

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