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German scientists have created a battery the size of a grain of salt
Miscellaneous / / February 21, 2022
It will be able to power microscopic chips for several hours.
A team of researchers from the Chemnitz University of Technology in Germany developed battery size less than 1 mm2 in cross section. In the future, it will be possible to connect sensors in deep tissues and internal organs to such batteries, to remotely monitor the condition of patients and control the recovery process after operations.
To increase the energy density in a battery, scientists used the principle of "Swiss roll" (Swiss-roll). They deposited layers of metals, polymers and dielectrics on the surface of the plate. If such a “roll” is subjected to mechanical stress, the layers will begin to separate from each other, and a voltage drop will occur. A similar principle is applied in the production of batteries for Tesla cars.
The scientists stressed that the principle of "Swiss roll" is compatible with modern technologies for creating microcircuits. The energy density in the battery is 100 μWh per 1 cm2. smallest computer chips will be able to eat from such a battery for about ten hours.
The lead author of the study emphasized:
This technology still has huge optimization potential, so we can expect more powerful microbatteries in the future.
Oliver Schmidt
Doctor of Sciences, Professor, Specialist in the creation of systems of materials in nanoelectronics, Chemnitz University of Technology, Germany
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Ksenia Shestakova
For 10 years in IT, I tried a lot: I worked as a system administrator and tester, I wrote in a dozen different languages programming, led the computer department of the editorial office of a printed newspaper and led news feeds high-tech portals. I can patch KDE2 for FreeBSD - and tell you in detail about all the nuances of this process. I dream about homemade R2-D2 and space flight.
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