Macroporous microspheres consisting of thickness-controlled bamboo-like CNTs and flower-like Co<sub>3</sub>O<sub>4</sub> nanoparticles as highly efficient bifunctional oxygen electrocatalysts for Zn–air batteries
Sun Jun Kim, Jeong Hoo Hong, Jung-Kul Lee, Yun Chan Kang
Abstract
Co 3 O 4 nanoparticle-decorated porous hollow microspheres composed of N-doped CNTs are synthesized by spray pyrolysis. When tested as electrocatalysts for a Zn–air battery cathode, they exhibit superior bifunctional oxygen catalytic activities.
Topics & Concepts
BifunctionalMaterials scienceNanoparticleMicrosphereChemical engineeringBattery (electricity)Oxygen evolutionCatalysisCathodeOxygenPyrolysisClark electrodeNanotechnologyElectrodeElectrochemistryChemistryOrganic chemistryElectrolyteEngineeringPower (physics)Physical chemistryQuantum mechanicsPhysicsAdvanced battery technologies researchElectrocatalysts for Energy ConversionConducting polymers and applications