Browsing Articles by Author "Bakenov, Zhumabay"

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Editorial Preface on the Proceedings of the4th International Conference on Nanomaterials and Advanced Energy Storage Systems, INESS-2016

Bakenov, Zhumabay (Materials Today: Proceedings, 2017-01-01)

Abstract The INESS 2016 topics covered the following and related areas: advanced nanomaterials for energy application, advanced energy storage, conversion and saving systems, materials for electrochemical sensor and ...
Effect of carbon-sulphur bond in a sulphur/dehydrogenated polyacrylonitrile/reduced graphene oxide composite cathode for lithium-sulphur batteries

Konarov, Aishuak; Bakenov, Zhumabay; Yashiro, Hitoshi; Sun, Yang-Kook; Myung, Seung-Taek (Journal of Power Sources, 2017-07-01)

Abstract A S/DPAN (dehydrogenated polyacrylonitrile) composite shows promising electrode performances as a cathode material for Li-S batteries though its electric conductivity is insufficient for high rate tests. In an ...
Effect of graphene nanosheets on electrochemical performance of Li4Ti5O12 in lithium-ion capacitors

Lu, Chengxing; Wang, Xin; Zhang, Xin; Peng, Huifen; Zhang, Yongguang; Wang, Gongkai; Wang, Zhenkun; Cao, Guanlong; Umirov, Nurzhan; Bakenov, Zhumabay (Ceramics International, 2017-06-01)

Abstract In order to improve the electrochemical performance of lithium titanium oxide, Li4Ti5O12 (LTO), for the use in the lithium-ion capacitors (LICs) application, LTO/graphene composites were synthesized through a solid ...
Effect of VO43− substitution for PO43− on electrochemical properties of the Li3Fe2(PO4)3 cathode materials

Yang, Yonggang; Zhang, Yongguang; Hua, Zhengshen; Wang, Xin; Peng, Huifen; Bakenov, Zhumabay (Electrochimica Acta, 2016-11-20)

Abstract In this research, VO43− substitution was used to improve electrochemical properties of the Nasicon Li3Fe2(PO4)3 cathode material. The VO43− substitution resulted in formation of a homogeneous compound Li3Fe2(PO4)3-x(VO4)x ...
Electrochemical performance of carbon-encapsulated Fe3O4 nanoparticles in lithium-ion batteries: morphology and particle size effects

Zhang, Yongguang; Li, Yue; Li, Haipeng; Zhao, Yan; Yin, Fuxing; Bakenov, Zhumabay (Electrochimica Acta, 2016-10-20)

Abstract Carbon-encapsulated Fe3O4 nanoparticles (Fe3O4@C) with varied microstructures were produced by controlling the relative concentrations of glucose and iron nitrate hydrate in a hydrothermal process, followed by ...
Examining the effect of nanosized Mg0.6Ni0.4O and Al2O3 additives on S/polyaniline cathodes for lithium–sulphur batteries

Yermukhambetova, Assiya; Bakenov, Zhumabay; Zhang, Yongguang; Darr, Jawwad A.; Brett, Daniel J.L.; Shearing, Paul R. (Journal of Electroanalytical Chemistry, 2016-11-01)

Abstract Nanostructured magnesium nickel oxide Mg0.6Ni0.4O and alumina Al2O3 were studied as additives to sulphur/polyaniline (S/PANI) composites via wet ball-milling of sulphur and polyaniline followed by heat treatment. ...
Facile Synthesis of ZnO Nanoparticles on Nitrogen-Doped Carbon Nanotubes as High-Performance Anode Material for Lithium-Ion Batteries

Li, Haipeng; Liu, Zhengjun; Yang, Shuang; Zhao, Yan; Feng, Yuting; Bakenov, Zhumabay; Zhang, Chengwei; Yin, Fuxing (Materials, 2017)

ZnO/nitrogen-doped carbon nanotube (ZnO/NCNT) composite, prepared though a simple one-step sol-gel synthetic technique, has been explored for the first time as an anode material. The as-prepared ZnO/NCNT nanocomposite ...
Flexible free-standing Na4Mn9O18/reduced graphene oxide composite film as a cathode for sodium rechargeable hybrid aqueous battery

Yuan, Guanghui; Xiang, Jiming; Jin, Huafeng; Jin, Yanzi; Wu, Lizhou; Zhang, Yongguang; Mentbayeva, Almagul; Bakenov, Zhumabay (Electrochimica Acta, 2018-01-01)

Abstract A novel free-standing Na4Mn9O18/reduced graphene oxide (NMO-RGO) composite was successfully prepared by a facile vacuum filtration technique. Scanning and transmission electron microscopy studies revealed formation ...
In situ sol-gel synthesis of ultrafine ZnO nanocrystals anchored on graphene as anode material for lithium-ion batteries

Li, Haipeng; Wei, Yaqiong; Zhang, Yongguang; Zhang, Chengwei; Wang, Gongkai; Zhao, Yan; Yin, Fuxing; Bakenov, Zhumabay (Ceramics International, 2016-08-01)

Abstract Ultrafine ZnO nanocrystals anchored on graphene were synthesized by a facile and highly efficient in situ sol-gel method. Uniform ZnO nanocrystals with an average size of 9.3nm were well dispersed on graphene ...
Preparation of novel network nanostructured sulfur composite cathode with enhanced stable cycle performance

Zhang, Yongguang; Zhao, Yan; Bakenov, Zhumabay; Konarov, Aishuak; Chen, P. (Journal of Power Sources, 2014-12-15)

Abstract In situ polymerization of acrylonitrile with nano-sulfur particles has been developed as a synthetic route to prepare sulfur/polyacrylonitrile (S/pPAN) composite as a cathode material for lithium/sulfur battery. ...
Well-dispersed sulfur anchored on interconnected polypyrrole nanofiber network as high performance cathode for lithium-sulfur batteries

Yin, Fuxing; Liu, Xinyi; Zhang, Yongguang; Zhao, Yan; Menbayeva, Almagul; Bakenov, Zhumabay; Wang, Xin (Solid State Sciences, 2017-04-01)

Abstract Preparation of novel sulfur/polypyrrole (S/PPy) composite consisting well-dispersed sulfur particles anchored on interconnected PPy nanowire network was demonstrated. In such hybrid structure, the as-prepared PPy ...