Binary metal sulfides and polypyrrole on vertically aligned carbon nanotube arrays/carbon fiber paper as high-performance electrodes

Xiaoyi Cai, Reinack V. Hansen, Lili Zhang, Baosheng Li, Chee Kok Poh, San Hua Lim, Luwei Chen, Jinglei Yang, Linfei Lai, Jianyi Lin, Zexiang Shen