PT Journal AU Mack, F Gogel, V Jörissen, L Kerres, J TI High performance anode based on a partially fluorinated sulfonated polyether for direct methanol fuel cells operating at 130⁰C SO Journal of power sources PY 2014 BP 223 EP 229 VL 255 DI 10.1016/j.jpowsour.2014.01.029 LA english ER