In this paper, a HLL (Harten Lax van Leer) approximate Riemann solver with MUSCL scheme
(Monotonic Upwind Schemes for Conservative Laws) is implemented in the presented FV (Finite
Volume) model. The presented model is ...
A free-standing sulfur/nitrogen-doped carbon nanotube (S/N-CNT) composite prepared via a simple solution
method was first studied as a cathode material for lithium/sulfur batteries. By taking advantage of the self-weavi ...
Zhao, Yan; Yin, Fuxing; Zhang, Yongguang; Zhang, Chengwei; Mentbayeva, Almagul; Umirov, Nurzhan; Xie, Hongxian; Bakenov, Zhumabay(Nanoscale Research Letters a Springer Open Journal (2015), 2015-12)
A free-standing sulfur/nitrogen-doped carbon nanotube (S/N-CNT) composite prepared via a simple solution
method was first studied as a cathode material for lithium/sulfur batteries. By taking advantage of the self-weavi ...
Zhang, Yongguang; Zhao, Yan; Bakenov, Zhumabay(Nanoscale Research Letters., http://www.nanoscalereslett.com/content/9/1/137, 2014)
A novel sulfur/graphene nanosheet (S/GNS) composite was prepared via a simple ball milling of sulfur with
commercial multi-layer graphene nanosheet, followed by a heat treatment. High-resolution transmission and
scanning ...
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 synthesis ...
Pu, Jaan Hui; Bakenov, Zhumabay; Adair, Desmond(2012)
Assessment of the performance of a shallow water model with closure using a linear k-ε turbulence
model is made for various obstruction-induced discontinuous flows. The monotone upwind scheme of
conservative laws (MUSCL) ...
Adair, Desmond; Bakenov, Zhumabay; Jaeger, Martin(Education for Chemical Engineers, 2014-12-01)
Abstract Computational fluid dynamics (CFD) has been incorporated into a chemical engineering curriculum at the intermediate undergraduate level. CFD has now become a component of professional life in engineering practice ...
Zhao, Yan; Zhang, Yongguang; Bakenova, Zagipa; Bakenov, Zhumabay(Frontiers in Energy Research., http://journal.frontiersin.org/article/10.3389/fenrg.2015.00002/abstract, 2015-02-02)
High specific energy and low cost flexible lithium/sulfur batteries have attracted significant
attention as a promising power source to enable future flexible and wearable electronic
devices. Here, we review recent ...
Abstract Nanostructured magnesium nickel oxide Mg0.6Ni0.4O was successfully synthesized by self-propagating high temperature synthesis (SHS) followed by heat treatment. The effect of the precursor composition and calcination ...
Abstract A gel polymer electrolyte was formed by trapping lithium bistrifluoromethane-sulfonamide in tetraethylene glycol dimethyl ether electrolyte in a poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP)/poly(m ...
Li, Haipeng; Sun, Liancheng; Zhang, Yongguang; Tan, Taizhe; Wang, Gongkai; Bakenov, Zhumabay(Journal of Energy Chemistry, 2017-11-01)
Abstract The high-energy lithium/sulfur (Li/S) battery has become a very popular topic of research in recent years due to its high theoretical capacity of 1672 mAh/g. However, the polysulfide shuttle effect remains of great ...
Carbon-coated silica nanoparticles anchored on multi-walled carbon nanotubes (SiO2@C/MWNT composite) were synthesized via a simple and facile sol-gel method followed by heat treatment. Scanning and transmission electron ...
Hara, Toru; Konarov, Aishuak; Mentbayeva, Almagul; Kurmanbayeva, Indira; Bakenov, Zhumabay(Frontiers in Energy Research., http://journal.frontiersin.org/article/10.3389/fenrg.2015.00022/abstract, 2015-05-07)
Although sulfur has a high theoretical gravimetric capacity, 1672 mAh/g, its insulating
nature requires a large amount of conducting additives: this tends to result in a low massloading
of active material (sulfur), and ...
A freestanding sulfur/dehydrogenated polyacrylonitrile/multiwalled carbon nanotube composite (S/DPAN/MWCNT) was prepared by a simple vacuum filtration of a mixture of S/DPAN composite and MWCNT suspensions, and studied as ...
Abstract In this work, a novel aqueous rechargeable battery Zn/LiCl-ZnCl2/LiFePO4 has been developed. The electrochemical performance of olivine LiFePO4 positive electrode has been investigated in the structure of this ...
The possibility and effectiveness of using sulfur dioxide and hydrogen sulfide as the fuel in lowtemperature
fuel cells at the sulfuric acid production site has been investigated. A fuel cell has been designed
and ...
Bakenov, Zhumabay; Taniguchi, Izumi(The Open Materials Science Journal, http://www.researchgate.net/publication/260969132, 2011-12-02)
The olivine structured mixed lithium-transition metal phosphates LiMPO4 (M = Fe, Mn, Co) have attracted
tremendous attention of many research teams worldwide as a promising cathode materials for lithium batteries. ...
Abstract Potassium nickel hexacyanoferrate KNi[Fe(CN)6] (NiHCF) was synthesized by a simple co-precipitation method and investigated as a cathode material for lithium-ion batteries. The X-ray diffraction and transmission ...
Zhang, Yongguang; Bakenov, Zhumabay; Zhao, Yan; Konarov, Aishuak; Doan, The Nam Long; Malik, Muhammad; Paron, Todd; Chen, P.(Journal of Power Sources, 2012-06-15)
Abstract A nanostructured sulfur/polypyrrole binary composite was prepared by a simple one-step ballmilling without heat-treatment. High resolution transmission and scanning electronic microscopy showed the formation of a ...
Ismailov, Kairat; Adair, Desmond; Massalin, Yerzhan; Bakenov, Zhumabay(Heat and Mass Transfer/Waerme- und Stoffuebertragung, 2016-03-15)
Thermal management of lithium-ion battery modules needs to be an integral part of the design process to guarantee that temperatures remain within a narrow optimal range. Also it is important to minimize uneven distribution ...