 Posted: Sun 15:35, 28 Nov 2010 Post subject: KART CAT Low temperature solid state reaction meth |
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| Low temperature solid state reaction method for preparing cerium-zirconia solid solution
wtemperature, whichwasakindofnewcraftaccordingwithgreenchemistry. Keywords: eeria; zirconia; solidsolution; solidstatereaction (pick No. 1037 on) AstudyonthestructureandelectrochemicalpropertiesofLao. 67M. 33Ni3. o an AI (a 0,0.1,KART CAT,0.2,MAC Cosmetics Cheap,0.3) hydrogenstoragealloysZHANGXu-yu, LUoYong-chun, WANGDa-hui, YANRU-XU, ZHANGYing,MBT Shoes TEMBEA, KANGLong (KeyLaboratoryofNewNonferrousMetalMaterials, LanzhouUniversityofScienceandTechnology,MBT Shoes Cheap, Lanzhou730050, China) Abstract: TheeffectofreplacingpartofNibyAlinLao . 67Mg0.33Ni3.0onthestructureandelectrochemicalprop-ertiesofthusformedLa0.67Mg0.33Ni3.0 a A1quaternaryalloys (z a 0,0.1,0.2,0.3) wasinvestigated. XRDa-nalysisshowsthatLao. 67Mg0.33Ni3.0consistsof (La, Mg) Ni3phaseand (La, Mg) 2Nbphase. LaNi5phasewithCaCustypeappearedwhenAlwasadded. TheincreaseofAlcontentleadstoanincreaseofcontentofLaNisphase. ThemainphaseoftheA1substitutedalloyswithx: 0.3wasLaNisphase. TheRietveldanalysisforLao. 67Mg0.33Ni3.0 a A10.1showsthatAlatomsoccupy6hpositionwhichwaetweentwoCaCusunitsin (La, Mg) 2Ni7phase. TheresultsofEPMAanalysisforLao. 67Mg0.33Ni3.0 a A10.3revealthatA1mainlysubstitutestheNiinLaNisphase. WecandrawaconclusionthatAlwashelpfultotheformationofLaNi5phase. Theelectro-chemicalanalysisshowsthatthesubstitutionsleadtosomedecreaseindischargecapacityandhavelittleeffectontheactivationproperty. ThedischargecapacityofLao-67Mg0.33Ni3.0 an A1 (z = 0,0.1,Rosetta Stone wholesale,0.2,0.3) are392, 324,267 and252mAh/grespectively. $ 50forLao. 67Mgo. 33Ni3. o an A1 (z = 0,0.1,0.2,0.3) were78.4 '82 .4 '83 .5 and77.5respectively. Keywords: hydrogenstoragealloys; electrochemicalproperties; crystalstructure 相关的主题文章： PUMA trionfo baylee shoes Mobile single cell Elect MBT shoes sale On the death of Qing Ming Hing mona wholesale PUMA Preparation of aqueous BaTiO3-based PTC extension tablets _1119 |
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