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Sep 23, 2021

Why haven't graphene batteries replaced lithium packs in electric vehicles?

Why have graphene batteries not replaced lithium packs in electric vehicles? Graphene batteries are unlikely to replace Li-ion packs in the foreseeable future. Why do you say so, take a closer look at the following detailed explanation will know.

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  On the one hand, graphene battery technology is not yet mature. On the other hand, the cost is not yet down. In addition, in terms of safety, stability and many other aspects, there is still a lot of work to do. Moreover, even if the graphene battery is really made and applied on a large scale, it may not be applied to electric vehicles to replace the current popular lithium batteries.

 

  Nuclear power plants have a lot of advantages, it does not mean that nuclear power plants can just replace other types of power plants. Similarly, graphene batteries may not be suitable for application in electric vehicles. Only in the suitable application scenario, the specific technology can play the biggest advantage.

 

  1, graphene battery to the market needs a process

  It takes a process to transform scientific research results into market products, and not every technology is suitable for large-scale commercialization. At present, there is no consensus on what the so-called graphene battery is.

 

  Does graphene as an electrode material count as a graphene battery? At present, the batteries on the market that dare to put out the signboard of "graphene battery" are basically "lithium-ion/lead-acid batteries mixed/used with graphene", except for scammers. The imaginary full graphene battery, but only exists in the laboratory, is far from industrial standards

 

  2, graphene performance advantage is far from the lithium battery pack

  Considering the fairly good overall performance of lithium battery pack, good performance, mature industry, relatively low price, graphene is unlikely to replace lithium batteries in the foreseeable future.

 

  The actual value of a technology does not only depend on performance, but also on cost performance, stability and many other aspects. Graphene wants to one day overtake lithium battery pack and become the most suitable battery option for application in cars, it must be graphene in the laboratory to show the incomparable advantages of lithium batteries, and then be vigorously promoted by major manufacturers.

 

  As of now, graphene batteries are still very immature and do not show significant advantages over lithium packs, therefore, graphene batteries do not even have the possibility of replacing lithium batteries. It takes a process to move from the lab to the market, and for graphene batteries, this process has not yet begun. Because, no reason has been found to go to the market.

 

  3, graphene technology may be used to strengthen lithium batteries rather than replace

  Although graphene battery technology is a newer and possibly more powerful technology, but the lithium battery itself is also the crystallization of battery technology over the years. The lithium battery itself has many advantages before it can become the most mainstream car battery. Graphene technology does provide a possibility for a breakthrough in battery technology, but it does not mean that graphene can necessarily replace lithium batteries completely.

 

  In the future, if graphene-related research is mature and there is a breakthrough in technology, the research results can be applied to lithium batteries to improve the performance of lithium batteries, which is much more likely than graphene completely replacing lithium batteries. Any kind of material has its own characteristics, graphene surface properties are greatly affected by the chemical state, stability, cycle life, etc. There are many problems, if deliberately pursued to replace lithium batteries with graphene, it is likely to produce a graphene battery whose practicality is not as good as lithium batteries.

 

 

  In summary, on the one hand, graphene battery technology is not yet mature, on the other hand, graphene may not be the ideal choice to upgrade to replace lithium batteries. Therefore, so far no one will want to use graphene batteries to replace lithium batteries in cars. After all, the current lithium battery is the mainstream of the market.

 

  The current market mainstream or lithium iron phosphate battery pack, refers to the lithium-ion battery with lithium iron phosphate as the cathode material. In the early stages of the development of new energy vehicles, lithium iron phosphate batteries because of its superior thermal stability, good safety, low development costs and other advantages, has become the first choice of major manufacturers.


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