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Application of graphene coating technology for lithium battery

Shenzhen Sinoli Electronic Co.,Ltd | Updated: Sep 25, 2016

In the graphene coating process, the enterprise will also encounter some problems. There are two key issues need to be solved: one is the conductive properties of graphene itself, which has a considerable relationship with the number of layers.          


From the conductive mechanism analysis, the graphene through the point contact to conductive. In general, the larger the contact area, the better the conductive performance will be. The industry believes that the film is thicker graphene will hinder the diffusion of lithium ions and reduce the electrode film's ionic conductivity, 6-9 layer is the most suitable.          


Two is how to effectively and evenly dispersed. The dispersion effect is not good will lead to the material into a group, and ultimately destroy the conductivity and ion transport properties.          


At present, the use of graphene battery enterprises in two ways: one is done when the cell size, adding a mixture of graphene and cathode materials, currently trying many battery manufacturers; two is coated in the production of cathode materials, mature product has not been listed.


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