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The possibility of graphene batteries replacing lithium batteries

by:Vglory      2021-05-14
Recently, ficus launched a graphene battery car, which is very attractive. The existence of graphene battery technology in automobiles will greatly alleviate the anxiety of charging time and driving distance of pure electric vehicles after being fully charged! However, the so-called graphene battery on the market is an inaccurate concept. To be precise, it basically adds a bit of graphene to the data to improve the performance of the lithium battery, which can be called a graphene-based lithium battery. The biggest feature of this technology is that it can greatly improve the thermal stability and life of the battery, because the previous lithium battery not only works inefficiently at high temperatures, but also greatly shortens the life of the battery. Graphene is a single-atom flat film composed of carbon atoms, which is the lightest and hardest nanomaterial known in the world. Since there is only one layer of atoms, the movement of electrons is restricted to a plane, making graphene the most conductive material in the world. Now, almost all commercial lithium batteries use graphite cathode data. In the case of similar cathode performance, the performance of the lithium battery depends to a large extent on the positive electrode data. Therefore, graphene has only two uses in lithium batteries: directly used as a cathode material and as a conductive additive. However, the cost of using graphene as a conductive agent is much higher than that of ordinary carbon black. The cost of lithium batteries is a key control factor. The cost of no original data is reduced. Even if the electrical performance of graphene is good, a large number of thousands of battery manufacturers can Cannot use cost. If the data cost, processing technology, productivity and electrochemical performance are comprehensively considered, there are serious problems in its production, production and use efficiency. Graphene can be used as a condiment for lithium batteries, but it cannot be used as an important ingredient. Therefore, it is very unlikely that graphene batteries will replace lithium batteries as electric vehicle batteries, and the prospects for industrialization are dim. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete.
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