简介：一半房间潜力(HCP)；与氯化钠做的增强的具体标本的腐蚀电流在电气化学的氯化物抽取(ECE)以后被决定。试验性的结果证明当ECE处理被移开时，HCP变得更否定；腐蚀电流在ECE处理前与那些相比变得更大，然后，HCP断然变；腐蚀电流与时间减少。在30天ECE处理以后，标本在暴露的钢附近由于足够的氧的存在转到大约100mV的cored的HCP锁，要不是核心un的标本，更长的时间，大约二个月，是被订。在在ECE处理以后的一样的标本的不同的层的非同类的HCP分发可能导致钢的第二等的腐蚀。

简介：Asimpleroutetosynthesizethepolyaniline(PANI)nanofiberswithdiameterabout150nmwasreported.Inthisstrategy,thePANInanofiberswerefabricatedbyelectrochemicaldepositionbyusingtwo-electrodeconfigurationin0.01Manilineand0.01MH2SO4electrolytes.Theas-preparedmaterialswerecharacterizedbyscanningelectronmicroscopy(SEM),infraredspectroscopy(FTIR),Ramanspectroscopyandthermogravimetricanalysis(TGA).TheelectrochemicalpropertiesofthePANInanofiberselectrodeassupercapacitormaterialswereinvestigated.ThePANInanofiberselectrodeshowedhighcapacitanceof485F·g-1at0.1A·g-1,andthedecreaseinthespecificcapacitanceisabout3.5%in1000cycles.TheresultsindicatethatthePANInanofiberselectrodeshowshighstabilityandretainsitselectrochemicalcapacitancepropertyover1000cycles,suggestingPANInanofibershavepromisingapplicationsinhigh-performancesupercapacitors.

简介：Anewtypeofelectrochemicaloscillationinducedbysurfactantwasobservedinexperiments.TheelectrochemicalsystemisaDaniellcellwithacopperrodinCuSO4aqueousandanaluminumrodinAl(NO3)3aqueousaselectrodes.ThesurfactantsareCTAB,TX-100,SLS.Theadditionoftracesurfactantsolutionbyamicro-syringemadetheoriginalmonotonouslychangingelectrochemicalsystemproduceobviousperiodicphenomena.Atthemeantime,thecopperionselectiveelectrodeandHg2SO4referenceelectrodewereusedtomonitorthecopperelectrodereactionanddetermineitsrateconstantkoffirstorderreaction.Accordingtotheexperimentalresultsofelectrodereactionkinetics,thepossiblemechanismwasfoundtobethepolarizationinducedfromthedirectionaladsorptionoftracesurfactantontheelectrodesurface.Thatistheelectrochemicaloscillations.

简介：

简介：

简介：Theelectrochemicalreductionbehaviorofbilirubin(BR)atplatinumelectrodeinDMFwasinvestigatedbycyclicvoltammetry,insituelectronspinresonancespectroscopyandinsiturapidscanningthinlayerspectroelectrochemistry.ExperimentalresultsrevealedthatthereductionofBRfirstlyundergoesanECEprocess:BR-+eBR-dimerize(BR)22-+e(BR)23-.Thegenerated(BR)23-canbere-oxidizedtoBRandthentopurpurin(Pu)byaseriesofoxidationprocesses:(BR)23--e(BR)22--2e2BR,BR--2eBV--2ePu.However,there-reductionreactionsofPuarenotthereverseprocesses.Thedifferentreductionmechanismsarediscussedindetail.

简介：Inordertofurtherreducethesulfurcontentingasoline,anewdesulfurizationprocesswasproposedbyusingcatalyticoxidationandextractionrealizedinanelectrochemicalfluidizedreactor.Thefluidizedlayerofloadedcatalystparticlesconsistedofleaddioxide(PbO2)supportedonactivatedcarbonparticles(PbO2/C)andtheelectrolytewasaqueousNaOHsolution.ThePbO2/Cparticleanodescouldremarkablyacceleratetheelectrochemicalreactionrateandpromotetheelectrochemicalcatalysisofsulfurcompounds.Thesulfurcompoundswereatfirstoxidizedtosulfonesorsulfoxides,whichwerethenremovedafterextraction.Theexperimentalresultsindicatedthattheoptimaldesulfurizationconditionswereasfollows:Thecellvoltagewas3.2V,theconcentrationofhydroxylionsinelectrolytewas0.12mol/L,andthefeedratewas300mL/min.Undertheseconditionstheconcentrationofsulfuringasolinewasreducedfrom310ppmto70ppm.Basedontheseexperimentalresults,amechanismofindirectelectrochemicallycatalyticoxidationwasproposed.

简介：１ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅｎｉｃｋｅｌａｌｏｙｓａｎｄｃｏｍｐｌｅｘｅｓａｒｅｗｉｄｅｌｙｕｓｅｄａｓｍａｇｎｅｔｉｃ，ｏｐｔｉｃａｌ，ｎｕｃｌｅａｒａｎｄｓｕｐｅｒｃｏｎｄｕｃｔｉｎｇｍａｔｅｒｉａｌｓ［１，２］．Ｍａｎｙｎｉｃｋｅｌｃｏｍ...

简介：Severalaspectsoftheapplicationofsilverelectrodetotheelectrochemicalstudiesofhemoglobinhavebeendiscussedinthispaper.Thesilverelectrodecouldnotonlybeuseddirectlyastheelectrodefortheelectrochemicalstudiesofhemoglobin,butalsoreactwithphenothiazineandbenzimidazoletogivestableandusefulmediator-coatedelectrodes.Inaddition,thesilverelectrodecouldhelpsodiumdodecylsulfatetogivefullplaytoitspromotingeffectontheprotein.

简介：ＲＥＧＵＬＡＲＩＴＹＯＦＴＨＥＦＲＥＥＢＯＵＮＤＡＲＹＩＮＥＬＥＣＴＲＯＣＨＥＭＩＣＡＬＭＡＣＨＩＮＩＮＧＰＲＯＢＬＥＭＹｕａｎＧｕａｎｇｗｅｉ（ＩｎｓｔｉｔｕｔｅｏｆＡｐｐｌｉｅｄＰｈｙｓｉｃｓａｎｄＣｏｍｐｕｔａｔｉｏｎａｌＭａｔｈｅｍａｔｉｃｓ...

简介：搏动的electrodeposited技术被使用在柠檬性的酸答案与不同直径制作ZnTenanowirearrays进阳极的氧化铝膜。x-raypowder衍射，扫描电子显微镜学和传播选举显微镜学显示高订的、一致、单人赛水晶的nanowires被制作了。nanowire数组的光吸收系列证明ZnTenanowire数组的光吸收乐队边与公牛ZnTe的相比展出蓝移动，并且nonlinearcurrent电压特征被观察。

简介：

简介：Anewelectrochemicaloscillatorysystemofbromateinalkalinesolutionisreported.InPt-Bromate-Alkalinesolutionsystem,twodifferenttypesofelectrochemicaloscillations(TypeⅠandTypeⅡ)canbeobserved.TypeⅠappearsbeforehydrogenevolutionandTypeⅡinvolvesperiodichydrogenevolution.TypeⅠrelatestotheadsorption/desorptionofthehydrogenonplatinumelectrode,andTypeⅡwithperiodicoscillationstemsfromthecouplingofelectrochemicalreactions(thereductionofbromateandevolutionhydrogenreaction)withmasstransfer(diffusionandconvection).Moreover,undertherightconditions,thetwotypesappearindifferentoscillatorymodes,forexample,simpleperiodicalmodeandmixedone,etc..Crossedcycleinthecyclicvoltammograms,whichisthebasiccharacteristicsforelectrochemicaloscillatorysystems,hasalsobeenobservedasexpected.

简介：Tosensitizepolyanilinewithdyesbyelectrochemicalpolymerization,HClO4isemployedasthedopantandoxidant,andthepolyanilinewithdiffernetsensitivepropertiesissynthesized.Theeffectofsensitizedemeraldinesaltontheabsorptionspectrumisdiscussedindetails.Themaximumconductivityofsensitizedfilmsreaches1.22S/cm,andinvestigationondyesensitizingofthepolymerrevealsthatC.I.DirectBlue71,C.I.DirectBlue84,C.I.DirectBlack19andCuPc-(COOH)4mayenhancethephotoconductivityofpolyanilinegreatly.

简介：AvohammetricstudyoftheinteractionofneutralRed(NR)withDNAatagoldelectrodeinaphosphatebuffersolutionisdescribed.AfteraddingDNAinanNRsolution,thereductionpeakcurrentofNRdecreases.ThebindingmeehahismsofNRtoDNAindifferentpHrangesaredifferent.ThereductionpeakpotentialofNRinapH7.0phosphatebuffersolutioninthepresenceofDNAshiftspositively,indicatingthatthebindingofNRtoDNAisintercalationaction,butatpH=6.0thereductionpeakpotentialofNRshiftsnegatively,indicatingthatthebindingofNRtoDNAiselectrostaticaction.TheformedcomplexesareDNA-NRwhen[NR]/[DNA]<0.18andDNA-3NRwhen[NR]/[DNA]>0.35,respectively.

简介：Thestructureanddynamicsofelectrode/liquidinterfacesplayanincreasinglyimportantroleinelectrochemistry.Ramanspectroscopyiscapableofprovidingdetailedstructuralinformationatmolecularlevelandnewinsightintotheinterfacialstructure,adsorption,reaction,electrocatalysisandcorro-sion.InthisaccountwewillsummarizesomeprogressesofsurfaceRamanspectroscopyinthestudyofelectrochemicalinterfaces,mainlybasedonourgroup’swork,layingemphasisonthedetectionsensitivity,spectralresolution,timeresolutionandspatialresolutionaswellasthehyphenatedtechnique.

简介：TheelectrochemicalformationofMg-LialloyswasinvestigatedinamoltenLiCl-KCl(58-42mol%)eutecticmeltat723K.ThecyclicvoltammogramforaMoelectrodeshowedthattheelectroreductionofLi~+proceedsinasinglestepandthedepositionpotentialofLimetalwas-2.40V(vs.Ag/AgCl).ForMgelectrode,theelectroreductionofLi~+takesplaceatlesscathodicpotentialthanthatattheMoelectrodewhichwascausedbytheformationofMg-Lialloys.PhaseofthedepositedMg-Lialloyscouldbecontrolledbytheelectrolysispotential,andthesampleswerecharacterizedbyX-raydiffractionandscanningelectronmicroscopy.Theresultsshowedthatα-Mgandβ-Liphaseswereobtainedat-2.35and-2.55V,respectively.

简介：锰hexacyanoferrate(MnHCF)的一部薄电影电气化学地在玻璃质的碳(GC)上被形成准备一个化学上修改的电极(CME)的电极。MnHCF和它的生长过程的电影形成的机制被周期的voltammetry详细调查。结果证明MnHCF的stoichiometric作文是MnIIIFeIII(CN)6，prussian黄的类似物。在那里存在在整个修正过程和最后的三个清晰阶段上演对一致、稳定的MnHCF电影的制造不可缺少并且必须持续一适当时间。MnHCF/GC电极的表面形态学被扫描电子显微镜学(SEM)描绘，它进一步在GC上验证了MnHCF电影的有效免职。MnHCF/GC电极过程的运动常数也被评估。产生MnHCF电影修改了电极向H2O2的氧化的介绍好稳定性和高electrocatalytic活动，显示那部MnHCF电影拥有过氧化氢酶和罐头的功能为分析目的被期望。

简介：ＭｅａｓｕｒｅｍｅｎｔｏｆＣｏｎｃｅｎｔｒａｔｉｏｎＤｉｓｔｒｉｂｕｔｉｏｎｏｆ　ＥｌｅｃｔｒｏｇｅｎｅｒａｔｅｄＥｔｃｈａｎｔＵｓｉｎｇａｎＥｌｅｃｔｒｏｃｈｅｍｉｃａｌＰｒｏｂｅＴｅｃｈｎｉｑｕｅＭｅａｓｕｒｅｍｅｎｔｏｆＣｏｎｃｅｎｔｒａｔｉｏ...

简介：Theinteractionofbromothymolblue(BB)withhumanserumalbumin(HSA)wasstudiedbyelectrochemicaltechniquesandasensitivemethodforproteinsassaywasdeveloped.WhenBBinteractedwithHSA,thevoltammetricpeakcurrentvalueofBBdecreasedlinearlywiththeconcentrationofHSAinarangeof1.0―40.0mg/L,andthepeakpotentialshiftednegatively.Basedontheresults,asensitiveassaymethodforproteins,suchasHSA,bovineserumalbumin(BSA),andeggalbuminetc.wasestablished.ThismethodwasfurtherappliedtodeterminingtheHSAinhealthyhumanbloodsamples,andtheresultsarenotsignificantlydifferentfromthoseobtainedbytheclassicCoomassieBrilliantBlueG-250spectrophotometicmethod.Thedetectingconditionsofthismethodwereoptimizedandtheinteractionmechanismwasdiscussed.Theresultsshowthattheelectrochemicalparameters(formalpotentialE0,standardrateconstantoftheelectrodereactionks,parameterofkineticnα)ofBBhavenoobviouschangesbeforeandaftertheinteraction,whichindicatethatBBcaninteractwithHSA,forminganelectrochemicalnon-activecomplex.Theequilibriumconstant(βs)andthebindingratio(m)forthiscomplexwerecalculated.Themis4andβsis1.41×1019.Thismethodisfast,simple,highlysensitive,andhasgoodselectivity,whichcanbeusedinclinicalmeasurements.