SEARCH Articles Figures Tables Activation of SDC Anode with Highly-Dispersed Ni Electrocatalysts Active site electrocatalysts Catalytic activity electrocatalysts Cathode electrocatalysts catalytic activities Electrocatalyst Electrocatalysts Electrocatalysts active site concentration Electrocatalysts high catalytic activity with Metal-free electrocatalysts electrocatalytic activity Specific activity, platinum fuel cell electrocatalysts