Novel KOH treated Li-CuO as cathode for the application of lithium-ion batteries Varishetty Madhu Mohan, Thirukachhi Suvarna, Pamula Balaji Bhargav and Pachuru Mohan Babu Eur. Phys. J. Appl. Phys., 98 (2023) 64 Published online: 18 December 2023 DOI: 10.1051/epjap/2023230062