China revolutionizes lithium battery tech, doubling energy density and withstanding extreme cold

Описание: A major breakthrough in lithium battery technology was achieved by a team from Nankai University and the Shanghai Space Power Research Institute. Published Thursday in Nature, the breakthrough shows that the new battery, while smaller, offers the same energy as traditional ones.
 
While most phone and car batteries fail in freezing temperatures, this new electrolyte remains thin
and flows smoothly even at -70°C, allowing cars to start and run normally in conditions like Siberian winters or even in space. The Nankai team added a flame-retardant feature and a gel layer to prevent dendrites, tiny spikes inside the battery, from forming, reducing the risk of battery fires and making the batteries much safer.
 
The team tackled the challenge of adding fluorine, which typically doesn’t mix well with other battery chemicals, by creating a chemical "bridge" that enabled it to blend with the battery’s components.
 
Nankai University has set up the National Engineering Research Centre for Lithium-ion Power Batteries, with demo operations planned for 2026.

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