Amorphous alumina supercapacitors with voltage-charging performanceMikio Fukuhara, Tomonori Yokotsuka, Toshiyuki Hashida, Koji Yamaguchi and Nobuhisa FujimaEPL, 141 3 (2023) 36003DOI: https://doi.org/10.1209/0295-5075/acb2f5