title: High-Rate and Cycling-Stable Nickel-Rich Cathode Materials with Enhanced Li(+) Diffusion Pathway.
abstract: The nickel-rich LiNi0.7Co0.15Mn0.15O2 material was sintered by Li source with the Ni0.7Co0.15Mn0.15(OH)2 precursor, which was prepared via hydrothermal treatment after coprecipitation. The intensity ratio of I(110)/I(108) obtained from X-ray diffraction patterns and high-resolution transmission electronmicroscopy confirm that the particles have enhanced growth of (110), (100), and (010) surface planes, which supply superior inherent Li(+) deintercalation/intercalation. The electrochemical measurement shows that the LiNi0.7Co0.15Mn0.15O2 material has high cycling stability and rate capability, along with fast charge and discharge ability. Li(+) diffusion coefficient at the oxidation peaks obtained by cyclic voltammogram measurement is as large as 10(-11) (cm(2) s(-1)) orders of magnitude, implying that the nickel-rich material has high Li(+) diffusion capability.
authors.affiliation: School of Material Science and Engineering, Beijing Key Laboratory of Environmental Science and Engineering, Beijing Institute of Technology , Beijing 100081, P. R. China.
authors.forename: Jun
authors.initials: J
authors.lastname: Tian
authors.affiliation: School of Material Science and Engineering, Beijing Key Laboratory of Environmental Science and Engineering, Beijing Institute of Technology , Beijing 100081, P. R. China.|Collaborative Innovation Center for Electric Vehicles in Beijing, Beijing 100081, P. R. China.
authors.forename: Yuefeng
authors.initials: Y
authors.lastname: Su
authors.affiliation: School of Material Science and Engineering, Beijing Key Laboratory of Environmental Science and Engineering, Beijing Institute of Technology , Beijing 100081, P. R. China.|Collaborative Innovation Center for Electric Vehicles in Beijing, Beijing 100081, P. R. China.
authors.forename: Feng
authors.initials: F
authors.lastname: Wu
authors.affiliation: China North Vehicle Research Institute, Beijing 100072, P. R. China.
authors.forename: Shaoyu
authors.initials: S
authors.lastname: Xu
authors.affiliation: China North Vehicle Research Institute, Beijing 100072, P. R. China.
authors.forename: Fen
authors.initials: F
authors.lastname: Chen
authors.affiliation: School of Material Science and Engineering, Beijing Key Laboratory of Environmental Science and Engineering, Beijing Institute of Technology , Beijing 100081, P. R. China.|Collaborative Innovation Center for Electric Vehicles in Beijing, Beijing 100081, P. R. China.
authors.forename: Renjie
authors.initials: R
authors.lastname: Chen
authors.affiliation: School of Material Science and Engineering, Beijing Key Laboratory of Environmental Science and Engineering, Beijing Institute of Technology , Beijing 100081, P. R. China.
authors.forename: Qing
authors.initials: Q
authors.lastname: Li
authors.affiliation: School of Material Science and Engineering, Beijing Key Laboratory of Environmental Science and Engineering, Beijing Institute of Technology , Beijing 100081, P. R. China.
authors.forename: Jinghui
authors.initials: J
authors.lastname: Li
authors.affiliation: Collaborative Innovation Center for Electric Vehicles in Beijing, Beijing 100081, P. R. China.
authors.forename: Fengchun
authors.initials: F
authors.lastname: Sun
authors.affiliation: School of Material Science and Engineering, Beijing Key Laboratory of Environmental Science and Engineering, Beijing Institute of Technology , Beijing 100081, P. R. China.|Collaborative Innovation Center for Electric Vehicles in Beijing, Beijing 100081, P. R. China.
authors.forename: Shi
authors.initials: S
authors.lastname: Chen
keywords: Li+ transportation; cycling stability; lithium-ion batteries; nickel-rich layered material; rate capability