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| 1 | A Novel Method to Improve the Electrochemical Performance of LiMn_2O_4 Cathode Active Material by CaCO_3 Surface Coating显示文摘Spinel LiMn2O4 was synthesized by glycine-nitrate method and coated with CaCO3 in order to enhance the electrochemical performance at room temperature (250C) and 550C. The uncoated and CaCO3-coated LiMn2O4 materials were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and electrochemical tests. XRD and SEM results indicated that CaCO3 particles encapsulated the surface of the LiMn2O4 without causing any structural change. The charge-discharge tests showed that the specific discharge capacity fade of pristine electrode at 25 and 550C were 25.5% and 52%, respectively. However, surface modified cathode shows 7.4% and 29.5% loss compared to initial specific discharge capacity at 70th cycle for 25 and 550C, respectively. The improvement of electrochemical performance is attributed to suppression of Mn2+ dissolution into electrolyte via CaCO3 layer. | Halil Sahan Hüseyin Gktepe Saban Patat | 2011 | Journal of Materials Science & Technology2011，27，5： | 7 |
| 2 | Synthesis and Electrochemical Properties of Carbon-Mixed LiEr_(0.02)Fe_(0.98)PO_4 Cathode Material for Lithium-ion Batteries显示文摘LiEr0.02Fe0.98PO4/C composite cathode was synthesized by a simple solution method with polyethylene glycol (PEG) as the reductive agent and carbon source. The effect of erbium doping on the electrochemical behavior of LiFePO4 was studied in this paper. The samples were characterized by X-ray powder diffraction and scanning electron microscopy and the electrochemical properties were investigated by the charge-discharge test. An initial discharge capacity of 149 mAh·g-1 was achieved for the LiEr0.02Fe0.98PO4/C composite cathode with a rate of 0.1 C. The electronic conductivity of Er doped LiFePO4/C was measured as 10-2 S·cm-1. The results indicated that erbium doping did not destroy the lattice structure of LiFePO4 and enlarge the lattice volume. These changes are beneficial to the improvement of the electrochemical performance of the LiFePO4 cathode. | Hüseyin Gktepe Halil Sahan Ahmet lgen Saban Patat | 2011 | Journal of Materials Science & Technology2011，27，9： | 4 |
| 3 | Determination of aflatoxin levels in some dairy and food products which consumed in Ankara, Turkey显示文摘 | Hasan Aycicek Abdurrahman Aksoy Sahan Saygi | 2004 | Food Control2004，，3： | 3 |
| 4 | 在单级式光伏逆变器中应用1700V碳化硅开关器件的效益研究显示文摘在光伏电能变换系统中应用碳化硅(SiC)器件可以大幅降低成本,从而提高产品的竞争力。一方面开关频率的增加导致滤波元件变得更小,另一方面将最大系统电压增加到1500V可以消除在三相系统中的升压级。本文将在采用1700V碳化硅开关器件的一个单级三相电路中探讨上述可能性。 | Samuel V.Araujo Christian Noding Benjamin Sahan Peter Zacharias 王剑 黄海 | 2011 | 电力电子2011，，4： | 2 |
| 5 | Conventional Development versus Managed Growth: the costs of sprawl显示文摘 | Robert W Burchell Sahan Mukherji | 2003 | Research and Practice2003，，9： | 1 |
| 6 | The apolipoprotein E polymorphism:a comparison of allele frequencies and dffects in nine populations显示文摘 | Hallman DW Boerwinkle E SahaN | 1991 | Am J H um G enet1991，49，： | 1 |
| 7 | Increased levels of vascular endothelial growth factor in the aqueous hu- mor of patients with diabetic retinopathy显示文摘 | Selim KM Sahan D Muhittin T Osman C Mustafa O | 2010 | Indian J Ophthal- mol2010，58，5： | 1 |
| 8 | Increased levels of vascu- lar endothelial growth factor in the aqueous humor of patientswith diabetic retinopathy显示文摘 | Selim KM Sahan D Muhittin T | 2010 | Indian J Ophthalmol2010，58，5： | 1 |
| 9 | ICP-MS analy- sis of a series of metals ( Namely: Mg, Cr, Co, Ni, Fe, Cu, Zn,Sn,Cd and Pb)in black and green olive samples fromBursa,Turkey显示文摘 | Yasemin Sahan Fikri Basoglu Seref Gucer | 2007 | Food Chem2007，105，： | 1 |
| 10 | Anti cholesteremic prop- erty of laetobacillus aeidophilus yogurt fed to mature boars 显示文摘 | Danielson A P Peo Jr E R Sahan K M | 1989 | J Anim Sci1989，67，： | 1 |
| 11 | Cold-induced changes in freezing tolerance, protein phosphorylation, and gene expres- sion evidence for a role of calcium 显示文摘 | Sahan F Monroy A F Dhindsa R S | 1993 | Plant Physiol1993，102，： | 1 |
| 12 | Quality parameters and growth characters oftomato as influenced by NPK fertilizer briquette and irrigation methtxls显示文摘 | Kadam J R Sahane J S | 2002 | Journal of Maharashtra Agricultural Universities2002，21，2： | 1 |
| 13 | Relationship between anaemia and cognitive functions in elderly people显示文摘 | Hakan M. Terekeci Yasar Kucukardali Yalcin Onem Alev Akyol Erikci Betul Kucukardali Burak Sahan Ozkan Sayan Serkan Celik Mahir Gulec Yavuz S. Sanisoglu Selim Nalbant Cihan Top Cagatay Oktenli | 2009 | European Journal of Internal Medicine2009，，2： | 1 |
| 14 | conventional de- velopment versus managed growth: the costs of Sprawl显示文摘 | ROBERT W B SAHAN M I | 2003 | Researchand Practice2003，，9： | 1 |
| 15 | High-power 20-100 MHz linear and efficient power amplifier design显示文摘 | Sahan N Inal M E | 2008 | IEEE Transactions on Microwave Theory and Techniques2008，56，9： | 1 |
| 16 | Quality parameters and growth characters of tomato as influences by NPK fertilizer briquette and irrigation methods 显示文摘 | Kadam J R Sahane J S | 2002 | Journal of Mahamshtra Agricultural Universities2002，27，2： | 1 |
| 17 | A new classification method for breast cancer diagnosis:feature selection artificial immune recognition system (FS -AIRS) 显示文摘 | POLATK SAHAN S KODAZ H | 2005 | LNCS2005，3611，： | 1 |
| 18 | Improved of cathode performance of LiFePO4/C composite using different carboxylic acids as carbon sources for lithium-ion batteries显示文摘 | Huseyin Goktepe Halil Sahan Saban Patat | 2010 | Electroceram2010，16，3： | 1 |
| 19 | Improved of cathode perfor- mance of LiFePO/C composite using different carboxylic acids as carbon sources for lithium-ion batteries显示文摘 | GOKTEPE H SAHAN H PATAT S | 2010 | Electroceram2010，16，： | 1 |
| 20 | Diversity and spatio-temporal distribution of ammonia-oxidizing Archaea and Bacterial in sediments of the Weserschelde estuary显示文摘 | Sahan E Muyzer G | 2008 | FEMS Microbiology Ecology2008，64，2： | 1 |
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