Non-contact battery test uses atomic magnetometry: Page 2 of 2

May 11, 2020 //By Nick Flaherty
Non-contact battery test uses atomic magnetometry
Researchers at the University of Mainz have developed a non-contact battery test technique for measuring the charge state, defects, and capacity losses using atomic magnetometry.

In the case of battery measurements, the batteries are placed in a background magnetic field. The batteries alter this background magnetic field and the change is measured using atomic magnetometers. "The change gives us information about the state of charge of the battery, about how much charge is left in the battery, and about possible damage," said Wickenbrock. "The process is fast and, in our opinion, can be easily integrated into production processes."

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