title: Co3O4 nanoparticle-modified MnO2 nanotube bifunctional oxygen cathode catalysts for rechargeable zinc-air batteries.
abstract: We report the preparation of MnO2 nanotubes functionalized with Co3O4 nanoparticles and their use as bifunctional air cathode catalysts for oxygen reduction reaction and oxygen evolution reaction in rechargeable zinc-air batteries. These hybrid MnO2/Co3O4 nanomaterials exhibit enhanced catalytic reactivity toward oxygen evolution reaction under alkaline conditions compared with that in the presence of MnO2 nanotubes or Co3O4 nanoparticles alone.
authors.affiliation: Institute of Materials Research and Engineering (IMRE), Agency of Science, Technology, and Research (A*STAR), 3 Research Link, Singapore 117602, Singapore.
authors.forename: Guojun
authors.initials: G
authors.lastname: Du
authors.forename: Xiaogang
authors.initials: X
authors.lastname: Liu
authors.forename: Yun
authors.initials: Y
authors.lastname: Zong
authors.forename: T S Andy
authors.initials: TS
authors.lastname: Hor
authors.forename: Aishui
authors.initials: A
authors.lastname: Yu
authors.forename: Zhaolin
authors.initials: Z
authors.lastname: Liu
mesh_terms: D000388:Air; D002384:Catalysis; D003035:Cobalt / Q000737:chemistry*; D011211:Electric Power Supplies; D004566:Electrodes; D017895:Manganese Compounds / Q000737:chemistry*; D053768:Metal Nanoparticles / Q000737:chemistry*; D043942:Nanotubes / Q000737:chemistry*; D010084:Oxidation-Reduction; D010087:Oxides / Q000737:chemistry*; D010100:Oxygen / Q000737:chemistry*; D013696:Temperature; D015032:Zinc / Q000737:chemistry*
chemical_list: D017895:Manganese Compounds; D010087:Oxides; D003035:Cobalt; D015032:Zinc; D010100:Oxygen; C016552:manganese dioxide; C060728:cobalt oxide