This thin battery charges very quickly

Both companies are separate from the Swiss university ETH Zurich. The first company, BTRY, developed batteries that charge very quickly. These are called solid-state batteries, which use a solid material instead of a liquid electrolyte, which is the material that connects the two poles of the battery. Solid-state batteries can store more energy than lithium-ion batteries, and are theoretically safer.

BTRY is not the first company to develop solid-state batteries. a company He says However, its batteries are distinguished by their ability to withstand very large differences in temperature. As a result, it can be useful in a wide range of industries.

According to BTRY, the batteries it is developing can be fully charged in just one minute. This is possible because it is very thin, about as thick as a human hair.

Fast production

But developing batteries is one thing. Producing it is another matter. That's why 8inks exists, which is also a subsidiary of ETH Zurich. The company distinguishes itself from other battery manufacturers through its proprietary production process.

The startup has created a method that allows the material to be applied to a cell in several thin layers. This would make it possible to produce customized batteries on a large scale.

The 8inks process can also be used to produce solid-state batteries. The company is currently exploring different form factors, including coin-operated mobile phones and batteries. 8inks believes it can also produce larger form factors, for example for electric cars.

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