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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 | Inhibitory effects of regorafenib, a multiple tyrosine kinase inhibitor, on corneal neovascularization显示文摘AIM:To evaluate the inhibitory effects of regorafenib(BAY 73-4506),a multikinase inhibitor,on corneal neovascularization(NV).METHODS:Thirty adult male Sprague-Dawley rats weighing 250-300 g,were used.Corneal NV was induced by NaOH in the left eyes of each rat.Following the establishment of alkali burn,the animals were randomized into five groups according to topical treatment.Group 1(n=6)received 0.9%NaCl,Group 2(n=6)received dimethyl sulfoxide,Group 3(n=6)received regorafenib 1 mg/mL,Group 4(n=6)received bevacizumab 5 mg/mL and Group 5(n=6)received 0.1%dexamethasone phosphate.On the 7d,the corneal surface covered with neovascular vessels was measured on photographs as the percentage of the cornea's total area using computer-imaging analysis.The corneas obtained from rats were semiquantitatively evaluated for caspase-3 and vascular endothelial growth factor by immunostaining.RESULTS:A statistically significant difference in the percent area of corneal NV was found among the groups(P<0.001).Although the Group 5 had the smallest percent area of corneal NV,there was no difference among Groups 3,4 and 5(P>0.005).There was a statistically significant difference among the groups in apoptotic cell density(P=0.002).The staining intensity of vascular endothelial growth factor in the epithelial and endothelial layers of cornea was significantly different among the groups(P<0.05).The staining intensity of epithelial and endothelial vascular endothelial growth factor was significantly weaker in Groups 3,4 and 5 thanin Groups 1 and 2.CONCLUSION:Topical administration of regorafenib 1mg/mL is partly effective for preventing alkali-induced corneal NV in rats. | Halil Ibrahim Onder Mesut Erdurmus Yasin Yücel Bucak Hüseyin Simavli Murat Oktay Ahmet Sahap Kukner | 2014 | International Journal of Ophthalmology(English edition)2014，7，2： | 4 |
| 4 | Assessment of urban air quality in Istanbul using fuzzy synthetic evaluation显示文摘 | Galeda O E Demir I Halil H | | 0，，： | 1 |
| 5 | Assessment of urban air quality in Istanbul using fuzzy synthetic evaluation显示文摘 | O E Guleda I Demir H Halil | 2004 | Atmospheric Environment2004，38，23： | 1 |
| 6 | The effect of LBO coating method on electrochemical performance of LiMn2O4 cathode material显示文摘 | Halil S Hüseyin G S aban P | 2008 | Solid State Ionics2008，178，3536： | 1 |
| 7 | A longterm experiment to study the role of mulches in the physiology and macro-nutrition of strawberry grown under water stress显示文摘 | Halil K A D Cengiz K B David H C | 2001 | Australian Journal of Agricul- tural Research2001，52，9： | 1 |
| 8 | Assessment of urbanair quality in lstanbul using fuzzy synthetic evaluation显示文摘 | Guleda Onkal-Engin lbrahim Dem ir Halil H iz | 2004 | Atmospheric Environment2004，38，23： | 1 |
| 9 | Assessment of urban air quali- ty using fuzzy synthetic evaluation显示文摘 | Guleda D E Ibrahim D Halil H | 2004 | Atmospheric Environ- ment2004，38，23： | 1 |
| 10 | Computer simulation of gas generation and transport in landfills Ⅰ: Quasi-steady-state condition显示文摘 | MEHRDAD H HALIL I K THEODORE T T | 2002 | Chemical Engineering Science2002，57，13： | 1 |
| 11 | Assessment of urban air qualityin Istanbul using fuzzy synthetic evaluation 显示文摘 | Guleda O E Demir I Halil H | 2004 | Atmospheric Environment2004，38，： | 1 |
| 12 | Viability of microbial mass in a submerged membrane bioreactor显示文摘 | Halil H Cumali K Ayhan U 2002 | 2002 | Desalination2002，150，： | 1 |
| 13 | Adaptive control if nonlinear systems using networks显示文摘 | K halil K H | 1992 | International Journal of Control1992，55，6： | 1 |
| 14 | Assessment of urban air quality in Istanbul using fuzzy synthetic evaluation 显示文摘 | GULEDA 0 E 1BRAHIM D HALIL H | 2004 | At-mospheric Environment2004，38，23： | 1 |
| 15 | The effect of hypothyroidism, hyperthyroidism, and their treatment on parameters of oxidative stress and antioxidant status显示文摘 | Hüsamettin Erdamar Hüseyin Demirci Halil Yaman M. Kemal Erbil Tolga Yakar Banu Sancak Sehri Elbeg Gürsel Bibero?lu ?lhan Yetkin | 2008 | Clinical Chemistry and Laboratory Medicine2008，，7： | 1 |
| 16 | Nanocomposites of poly (ether ether ketone) with carbon nanofibers: Effects of disper- sion and thermo-oxidative degradation on development of linear viscoelasticity and crystallinity 显示文摘 | Shriraj H Kimberly B Halil G | 2010 | Polymer2010，51，22： | 1 |
| 17 | Assessment of urban air quality in Istanbul using fuzzy synthetic evaluation显示文摘 | Guleda O E Ibrahim D Halil H | 2004 | Atmospheric Environment2004，，38： | 1 |
| 18 | Transsphenoidal approaches to the pituitary: a progression in experience in a single centre 显示文摘 | Bulent D Ferhat H Halil I | 2008 | Acta Neurochir (Wien)2008，150，7： | 1 |
| 19 | Pico Satellite Attitude Estimation via Robust Unscented Kalman Filter in the Presence of Measurement Faults 显示文摘 | Halil E S Chingiz H | 2010 | ISA Transactions2010，49，3： | 1 |
| 20 | Assessment of urban air quality in Istanbul using fuzzy synthetic evaluation显示文摘 | Guleda O E lbrahim D Halil H | 2004 | Atmo- spheric Environment2004，38，23： | 1 |
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