TEKNIK ELEKTRONIKA

Nexeon, an Imperial College London spinout, has produced Li-ion battery cells with the world’s highest capacity for their size. The cells, which are based on Nexeon’s silicon anode technology, have a capacity of 3.2 Ah and were produced at the company’s pilot plant in Oxfordshire, UK. This is above the capacity of even the best commercially available Li-ion batteries, and opens up the possibility of longer operating times for consumer electronic products and greater range for electric vehicles. Cycle life performance of the Nexeon cells also exceeds that of the best commercial cell when tested under the same conditions.

 

This milestone is an important stage in the ongoing development of batteries based on silicon anodes, now thought to be the best route to next generation Li-ion performance. The performance of the latest cells is even more remarkable as they have not benefited from the optimisation which comes from the volume production of commercial cells.

Lithium-ion batteries dominate the rechargeable batteries market through their higher specifications, low self-discharge rate and absence of

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