This is the best summary I could come up with:

The research team behind the novel design, who are based at Harvard University’s School of Engineering and Applied Sciences (SEAS) in the US, claim their solid-state cell could revolutionise electric cars and smartphones by significantly increasing their range and capacity while simultaneously reducing charging times.

“Lithium metal anode batteries are considered the holy grail of batteries because they have 10 times the capacity of commercial graphite anodes and could drastically increase the driving distance of electric vehicles,” said Xin Li, an associate professor of materials science at SEAS.

“Our research is an important step toward more practical solid state batteries for industrial and commercial applications.”

Their research focussed on lithium metal anode batteries, which have vastly superior capacities but until now have proved too unstable for practical use.

Charging this type of battery can result in them shorting or even catching fire due to a process called plating.

Since making their discovery, Professor Li and his team have licensed the technology through a Harvard spinoff company called Adden Energy in the hope of commercialising it.

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