title: TiO2/graphene sandwich paper as an anisotropic electrode for high rate lithium ion batteries.
abstract: We designed an anisotropic electrode, in which Li(+) ion insertion and diffusion are anisotropic, by controlled growth of TiO2 nanosheets parallel to the surface of graphene paper. The anisotropic electrode gives a gravimetric capacity of 112 mA h g(-1) at an ultra-high rate of 100 C (corresponding to 36 s of charge-discharge), 3 times higher than that of a referenced isotropic electrode. The results indicate that such an anisotropic electrode can be useful in the search for high-power lithium ion batteries.
authors.affiliation: Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China.
authors.forename: Na
authors.initials: N
authors.lastname: Li
authors.forename: Guangmin
authors.initials: G
authors.lastname: Zhou
authors.forename: Ruopian
authors.initials: R
authors.lastname: Fang
authors.forename: Feng
authors.initials: F
authors.lastname: Li
authors.forename: Hui-Ming
authors.initials: HM
authors.lastname: Cheng
mesh_terms: D011211:Electric Power Supplies; D055664:Electrochemical Techniques; D004566:Electrodes; D006108:Graphite / Q000737:chemistry*; D008094:Lithium / Q000737:chemistry*; D049329:Nanostructures / Q000737:chemistry; D013499:Surface Properties; D014025:Titanium / Q000737:chemistry*
chemical_list: C009495:titanium dioxide; D006108:Graphite; D008094:Lithium; D014025:Titanium