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Lithium ion’s sulfury cousin one step closer to commercialization

Paul van Gerven
Leestijd: 3 minuten

Adding to much of the research progress in recent years, scientists from Australia’s Monash University have ticked yet another box for getting promising lithium-sulfur battery technology ready for commercial application.

Power your smartphone for five continuous days or drive your electric vehicle for a thousand kilometers without having to ‘refuel’. The battery technology making this and many other things possible is right around the corner, as “Monash University researchers are on the brink of commercializing the world’s most efficient lithium-sulfur battery, which could outperform current market leaders by more than four times,” reads a press release from the Australian research institute. The technology isn’t quite ready for prime time, though.

A lithium-sulfur battery doesn’t differ all that much from a regular lithium-ion battery. It’s mostly a matter of swapping materials. For the cathode, out goes cobalt oxide (the most often-used cathode material) and in goes sulfur. Anode-wise, modern lithium-ion batteries use graphite, but metallic lithium is often preferred as the anode for lithium-sulfur batteries.

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