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Шығу күні бойынша Center for Energy and Advanced Materials Science көру

Шығу күні бойынша Center for Energy and Advanced Materials Science көру

Көрінетін элементтер 1-20 из 26

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Corn stalk-derived activated carbon with a stacking sheet-like structure as sulfur cathode supporter for lithium/sulfur batteries

Yuan, Guanghui; Yin, Fuxing; Zhao, Yan; Bakenov, Zhumabay; Wang, Gongkai; Zhang, Yongguang (Ionics. DOI 10.1007/s11581-015-1528-6, 2015-09-02)

A novel stacking sheet-like carbon (SSC) has been synthesized by carbonizing the corn stalks and composited with sulfur to prepare a cathode for lithium/sulfur batteries. Scanning electronic microscopy observations ...
Simple One-Pot Synthesis of Hexagonal ZnO Nanoplates as Anode Material for Lithium-Ion Batteries

Li, Haipeng; Wei, Yaqiong; Zhao, Yan; Zhang, Yongguang; Yin, Fuxing; Zhang, Chengwei; Bakenov, Zhumabay (Copyright © 2016 Haipeng Li et al., 2015-12-15)

Hexagonal ZnO nanoplates were synthesized via simple one-pot hydrothermal reaction of Zn(CH3COO)2 and CO(NH2)2. XRD, SEM, and HRTEM were used to investigate the composition and microstructure of the material. Together with ...
Synthesis of Multiwalled Carbon Nanotube Aqueous Suspension with Surfactant Sodium Dodecylbenzene Sulfonate for Lithium/Sulfur Rechargeable Batteries

Zhao, Yan; Liu, Xinyi; Zhang, Yongguang; Bakenov, Zhumabay; Yin, Fuxing (Electrochemistry. The Electrochemical Society of Japan, 2015-12-27)

Due to the hydrophobic nature of multiwalled carbon nanotube (MWNT), sodium dodecylbenzene sulfonate (SDBS) was adopted as a surfactant to synthesize a well-dispersed, homogeneous MWNT aqueous suspension. By simple stirring ...
Named Entity Recognition for Kazakh Using Conditional Random Fields / Извлечение именованных сущностей из текста на Казахском языке с использованием условных случайных полей

Gulmira, Tolegen; Alymzhan, Toleu; Zheng, Xiaoqing (The 4-th International Conference on Computer Processing of Turkic Languages “TurkLang 2016”, 2016)

We addressed the Named Entity Recognition (NER) problem for the Kazakh language by using conditional random fields. Kazakh is a typical agglutinative language in which thousands of words could be generated by adding prefixes ...
Initial Experiments on Russian to Kazakh SMT

Myrzakhmetov, Bagdat; Makazhanov, Aibek (Research in Computing Science 117, 2016)

We present our initial experiments on Russian to Kazakh phrase-based statistical machine translation. Following a common approach to SMT between morphologically rich languages, we employ morphological processing ...
Impact of Backbone fluorination on -conjugated polymers in organic photovoltaic devices: a review

Leclerc, Nicolas; Chávez, Patricia; Ibraikulov, Olzhas A.; Heiser, Thomas; Lévêque, Patrick (Polymers, 2016-01-12)

Solution-processed bulk heterojunction solar cells have experienced a remarkable acceleration in performances in the last two decades, reaching power conversion efficiencies above 10%. This impressive progress is the ...
Synthesis of hierarchical MoS2 microspheres composed of nanosheets assembled via facile hydrothermal method as anode material for lithium-ion batteries

Zhang, Yongguang; Li, Yue; Li, Haipeng; Yin, Fuxing; Zhao, Yan; Bakenov, Zhumabay (Springer Science+Business Media Dordrecht 2016. J Nanopart Res (2016) 18:63, 2016-02-24)

A hierarchical MoS2 architecture composed of nanosheet-assembled microspheres with an expanded interplanar spacing of the (002) planes was successfully prepared via a simple hydrothermal reaction. Electron microscopy ...
Thermal Management of Lithium/Sulphur Cells Using a Simple 2D Model

Ismailov, Kairat; Massalin, Yerzhan; Bakenov, Zhumabay; Adair, Desmond (Modern Environmental Science and Engineering (ISSN 2333-2581). Academic Star Publishing Company, 2016., 2016-04)

Lithium sulphur (Li/S) batteries are currently receiving significant attention as an alternative power source for zero-emission vehicles and advanced electronic devices due to the very high theoretical specific capacity ...
A simple approach to synthesize novel sulfur/graphene oxide/multiwalled carbon nanotube composite cathode for high performance lithium/sulfur batteries

Yuan, Guanghui; Zhao, Yan; Jin, Huafeng; Bakenov, Zhumabay (Ionics. Springer-Verlag Berlin Heidelberg 2016, 2016-04-30)

A sulfur/graphene oxide/multiwalled carbon nanotube (S/GO/MWNT) composite was synthesized via a simple ultrasonic mixing method followed by heat treatment. By taking advantage of this solution-based self-assembly ...
ZnO Nanorods Grown Directly on Copper Foil Substrate as a Binder-Free Anode for High Performance Lithium-Ion Batteries

Huang, Lanyan; Wang, Xin; Yin, Fuxing; Zhang, Yongguang; Gao, Jinwei; Liu, Junming; Zhou, Guofu; Bakenov, Zhumabay (International Journal of ELECTROCHEMICAL SCIENCE. www.electrochemsci.org, 2016-09-06)

ZnO nanorods directly grown on copper foil substrate were obtained via hydrothermal method without using templates. Structure and morphology of the as-prepared ZnO nanorods were characterized by X-ray diffraction, scanning ...
Exploring 3D microstructural evolution in Li-Sulfur battery electrodes using in-situ X-ray tomography

Yermukhambetova, Assiya; Tan, Chun; Daemi, Sohrab R.; Bakenov, Zhumabay; Darr, Jawwad A.; Brett, Daniel J. L.; Shearing, Paul R. (www.nature.com/scientificreports, 2016-09-17)

Lithium sulfur (Li-S) batteries offer higher theoretical specific capacity, lower cost and enhanced safety compared to current Li-ion battery technology. However, the multiple reactions and phase changes in the sulfur ...
Fabrication and Properties of Carbon- Encapsulated Cobalt Nanoparticles over NaCl by CVD

Li, Haipeng; Li, Yue; Zhang, Yongguang; Liang, Chunyong; Wang, Hongshui; Li, Baoe; Adair, Desmond; Bakenov, Zhumabay (Nanoscale Research Letters, 2016-09-27)

Carbon-encapsulated cobalt (Co@C) nanoparticles, with a tunable structure, were synthesized by chemical vapor deposition using Co nanoparticles as the catalyst and supported on a water-soluble substrate (sodium chloride), ...
Techno-economic modellingto strategize energyexportsinthe Central AsianCaspian region

Bakdolotov, Aidyn; De Miglio, Rocco; Akhmetbekov, Yerbol; Baigarin, Kanat (Heliyon, 2017-03-27)

This paper studies the concept of energy security from export-oriented countries’ point ofview. It aims to test the effects of long-term energy export strategies in the Central Asian Caspian(CAC) region,by exploring the ...
Atomic Force Microscopy Study of Cross-Sections of Perovskite Layers

Migunov, D.; Eidelman, K.; Kozmin, A.; Saranin, D.; Ermanova, I.; Gudkov, D.; Alekseev, A. (EURASIAN CHEMICO-TECHNOLOGICAL JOURNAL, 2019)

Improvement of methods for imaging of the volume structure of photoactive layers is one of the important directions towards development of highly efficient solar cells. In particular, volume structure of photoactive layer ...
Calculation of Water Wheel Design Parameters for Micro Hydroelectric Power Station

Kodirov, Dilshod; Tursunov, O (EDP Sciences, 2019-05-29)

This paper is devoted to the issues such as modelling the design parameters and operating modes and improving the design of micro hydroelectric power plants operating in low-pressure water flow. Taking into consideration ...
Lithographically defined synthesis of transition metal dichalcogenides

Kemelbay, Aidar; Kuntubek, Aldiyar; Chang, Nicholas; Chen, Christopher T; Kastl, Christoph; Inglezakis, Vassilis J.; Tikhonov, Alexander; Schwartzberg, Adam M; Aloni, Shaul; Kuykendall, Tevye R. (IOP Publishing, 2019-09-30)

Transition metal dichalcogenides (TMDs) promise to revolutionize optoelectronic applications. While monolayer exfoliation and vapor phase growth produce extremely high quality 2D materials, direct fabrication at wafer scale ...
Survey on Household Solid Waste Sorting at Source in Developing Economies: A Case Study of Nur-Sultan City in Kazakhstan

Sarbassov, Yerbol; Sagalova, Tolkyn; Venetis, Christos; Xenarios, Stefanos; Inglezakis, Vassilis (MDPI, 2019-11-18)

The exponential population growth in urban areas makes existing solid waste management policies and strategies challenging. The situation becomes more strenuous in fast-growing cities where increasing waste production can ...
Crystallographic Characterisation of Ultra-Thin, or Amorphous Transparent Conducting Oxides—The Case for Raman Spectroscopy

Ainabayev, Ardak; Sugurbekova, Gulnar; Caffrey, David; Zhussupbekova, Ainur; Vijayaraghavan, Rajani K.; Kaisha, Aitkazy; Shvets, Igor V.; Fleischer, Karsten (MDPI, 2020-01-07)

The electronic and optical properties of transparent conducting oxides (TCOs) are closely linked to their crystallographic structure on a macroscopic (grain sizes) and microscopic (bond structure) level. With the increasing ...
Crystallographic Characterisation of Ultra-Thin, or Amorphous Transparent Conducting Oxides—The Case for Raman Spectroscopy

Caffrey, David; Zhussupbekova, Ainur; Vijayaraghavan, Rajani K.; Ainabayev, Ardak; Kaisha, Aitkazy; Sugurbekova, Gulnar; Shvets, Igor V.; Fleischer, Karsten (MDPI, 2020-01-07)

The electronic and optical properties of transparent conducting oxides (TCOs) are closely linked to their crystallographic structure on a macroscopic (grain sizes) and microscopic (bond structure) level. With the increasing ...
Characterization of tar generated from the mixture of municipal solid waste and coal pyrolysis at 800 °C

Tursunov, O; Suleimenova, B; Kuspangaliyeva, Botagoz; Anthony, E.J.; Sarbassov, Yerbol (Elsevier, 2020-03-02)

Nowadays, comprehensive perception of the tar characteristics generated from municipal solid waste (MSW) and coal to guide pyrolysis or gasification gas yield upgrading and cleaning has attracted massive research attention. ...