Amorphous aluminum-oxide supercapacitorsMikio Fukuhara, Tomoyuki Kuroda, Fumihiko Hasegawa, Toshiyuki Hashida, Eunsang Kwon and Kazuya KonnoEPL, 123 5 (2018) 58004DOI: https://doi.org/10.1209/0295-5075/123/58004