Xianxia Yuan, Hao Sha, Xinmei Ding, Hai-Chuan Kong, Hecheng Lin, Wen Wen, Taizhong Huang, Zhi Guo, Zifeng Ma and Yong Yang. “Comparative investigation on the properties of carbon-supported cobalt-polypyrrole pyrolyzed at various conditions as electrocatalyst towards oxygen reduction reaction.” International Journal of Hydrogen Energy 39 (2014): 15937-15947.
https://doi.org/10.1016/J.IJHYDENE.2014.03.205