Amorphous titanium-oxide supercapacitors with high capacitance Mikio Fukuhara, Tomoyuki Kuroda, Fumihiko Hasegawa, Yasuyuki Shirai, Tomoyuki Suwa, Toshiyuki Hashida and Masahiko Nishijima EPL, 128 5 (2019) 58001 Published online: 04 February 2020 DOI: 10.1209/0295-5075/128/58001