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16 September 2020

The urge for better batteries [part 2]

Part II: Active materials  

In Part 1 of this article series, we learned that there is huge potential for battery electric vehicles (BEVs) to take over a significant part of the passenger car industry soon. However, this revolution hinges on batteries becoming safer, more energy dense, more environmentally friendly and—also very important—less expensive. Here, we’ll highlight a number of revolutionary active materials which, in the near future, can replace the conventional materials currently used in lithium-ion batteries.

So-called ‘active materials’ are responsible for the actual charge storage, and are situated at the battery’s electrodes. Anode and cathode each use a different chemical compound as active material. In state-of-the-art lithium-ion batteries, for instance, graphite and nickel-cobalt-manganese-oxide (NMC) are the two most popular materials of choice for the anode and cathode, respectively.

Now, let’s take a look at the new materials in the pipeline.

Anode

Cathode

Electrolyte

Conclusion

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