title: A hierarchical porous electrode using a micron-sized honeycomb-like carbon material for high capacity lithium-oxygen batteries.
abstract: A micron-sized honeycomb-like carbon material (MHC) is prepared in a facile way using nano-CaCO3 as a hard template. A novel electrode for lithium-oxygen batteries is fabricated and displays a superior discharge capacity as high as 5862 mA h g(-1). The higher electrode space utilization is attributed to its hierarchical pore structure, with intrinsic mesopores in the MHC particles for Li2O2 depositions and macropores among them for oxygen transport.
authors.affiliation: Division of Energy Storage, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian, 116023, China.
authors.forename: Jing
authors.initials: J
authors.lastname: Li
authors.forename: Huamin
authors.initials: H
authors.lastname: Zhang
authors.forename: Yining
authors.initials: Y
authors.lastname: Zhang
authors.forename: Meiri
authors.initials: M
authors.lastname: Wang
authors.forename: Fengxiang
authors.initials: F
authors.lastname: Zhang
authors.forename: Hongjiao
authors.initials: H
authors.lastname: Nie
mesh_terms: D002119:Calcium Carbonate / Q000737:chemistry; D002244:Carbon / Q000737:chemistry*; D011211:Electric Power Supplies; D004566:Electrodes; D007477:Ions / Q000737:chemistry; D008094:Lithium / Q000737:chemistry*; D053758:Nanoparticles / Q000737:chemistry; D010100:Oxygen / Q000737:chemistry*; D016062:Porosity
chemical_list: D007477:Ions; D002244:Carbon; D008094:Lithium; D002119:Calcium Carbonate; D010100:Oxygen