High-accuracy electric vehicle battery monitoring with diamond quantum sensors for driving range extension towards carbon neutrality

https://www.eurekalert.org/news-releases/963625

"two diamond quantum sensors... busbar (electrical junction for incoming and outgoing currents) in car... differential detection eliminate... retain only the actual signal... detect current10 mA... mixed analog-digital control of frequencies generated by two microwave generators to trace magnetic resonance... over bandwidth 1 gigahertz... dynamic range ±1000 A... − 40 to + 85 °C... Worldwide Harmonized Light Vehicles Test Cycle driving... charge/discharge from -50 A to 130 A"