College of Materials Science and Engineering, Central South University, Changsha 410083, China;
College of Materials Science and Engineering, Central South University, Changsha 410083, China;
College of Materials Science and Engineering, Central South University, Changsha 410083, China;
College of Materials Science and Engineering, Central South University, Changsha 410083, China;
AA3003 aluminum alloy; cathode foil; microstructure; specific capacitance;