You can read more here: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.132.210402
and the public outreach published in Phys.org:
https://phys.org/news/2024-06-nonreciprocal-quantum-batteries-remarkable-capacities.html
“A Better Way to Charge a Quantum Battery”Our paper has been published in Phy. Rev. Lett.
Integrated Hybrid Quantum Circuits 