One-step and room-temperature fabrication of carbon nanocomposites including Ni nanoparticles for supercapacitor electrodes by Akiyama, Tatsuya, Nakanishi, Shuhei, Yaakob, Yazid, Todankar, Bhagyashri, Pradeepkumar, Vikaskumar, Asaka, Toru, Ishii, Yosuke, Kawasaki, Shinji, Tanemura, Masaki