SCI论文写作重要结构3 2.docx
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SCI论文写作重要结构3 2.docx
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SCI论文写作重要结构32
1.Achievingsupercapacitorswithhighenergydensityhasbeenalong-standingissuebecauseoftheincreasingmarketdemandsforhigh-energyelectricdevices.
2.Tosecurethehighenergydensityofsupercapacitors,therearetwogeneralapproaches,viz.improvementofspecificcapacitance,orhighworkingvoltagebasedontheequation,E¼1/2CV2,whereCandVarecapacitanceandworkingvoltage,respectively.(原句在78文献中)
3.Recently,Chmiolaetal.reportedanexponentialincrease(指数增加)inthespecificcapacitancewhentheporesizeapproachedtheionsizeoftheelectrolyteusingcarbide-derivedcarbonastheelectrode.
4.Thermogravimetricanalysis(TGA)wascarriedoutusingaQ5000thermoanalyzerinstrument(TAInstrumentsInc.,USA)underairflowof25mlmin1andheatedfrom25Cto700Catalinearheatingrateof20Cmin-1.
5.Itrevealsthatthedefect-freeMoS2nanosheetsareeffectiveintermsofenhancingthethermalstabilityofthePEcomposites.
6.Althoughmanyresearcheshavebeenfocusedonthisissue,itstillremainsunsolvedplussomerestrictionssuchashighloadingamountandthepooradhesionbetweenfillerandmatrix.
7.Theas-preparedRGOpossesseshighersurfaceareaandcanconnectwiththeepoxyadequately,whichreducesthebarriersofphonontransporttoalargeextent.
8.Anoptimalchainlengthwasobservedtoimpartmaximummechanicalandimpactproperties.
9.Althoughmanyresearcheshavebeenfocusedonthisissue,itstillremainsunsolvedplussomerestrictionssuchashighloadingamountandthepooradhesionbetweenfillerandmatrix.
10.Theas-preparedRGOpossesseshighersurfaceareaandcanconnectwiththeepoxyadequately,whichreducesthebarriersofphonontransporttoalargeextent.(很大程度上)
11.Graphene,possessingexcellentmechanicalproperty,highconductivity,andgoodstability,hasbeenwidelyappliedinthefieldofenergystorage.
12.Duetoinherentlylowk,thepolymericmaterialshavelimitationsintheirapplicationfields.
13.Sampleswerepreparedbythreerollmillintherangeof1to5wt%ofMWCNTscontents.
14.However,tothebestoftheauthors’knowledge,noneofthesestudiesinvestigatestheeffectofaspectratioonthermalconductivityofHDPE/MWCNTscompositeandtherefore,thiswillbetheaimofthisstudy.
15.TheexplanationatmicroscopicscalefortheseobservationsisthathigheraspectratioofMWCNTsfavorsthecreationofapercolatednetworkenablingthepassageofphononsoverlongerdistancewithouttransitionsfromparticletoparticle.
16.Inaddition,inanetworkmadeupbyshorterfilaments,therequirednumberofcontactsperunitdistanceincreasesexponentially.
17.ThepresenceofG-CNThybridsslightlyincreasesthethermalstabilityat5%weightlossandremarkablyimprovestheamountofresiduesofPVAnanocomposites.Forcomparison,wealsoprepareaPVAcompositewiththeadditionofonlyt-CNTsandfindthatitsmechanicalpropertiesshowlimitedenhancementowingtothedecreasedlength-to-diameterratioandstructuraldefectsofCNTsbyacidtreatment.
18.Inadditiontoitsremarkablephysicalproperties,grapheneexhibitslowdensityandhighaspectratiowhichpredestines(注定)itasafillersforbothveryspecificapplicationsandgeneralusesintherealm(领域)ofpolymercomposites.
19.Aswenarrowdowntheproblemtotheissueoffabricatingwater-solublepolymernanocomposites,
20.TheirreversiblegrapheneagglomeratesuponchemicalreductionofGOhavebecomeamajorandperplexingproblemforachievinguniformlydistributedgraphenesheetswithinthepolymermatrix.
21.Herewedefinetheonsetdecompositiontemperatureasthetemperatureat5%weightloss.
22.AlthoughvariousresearcheshaveindicatedthatCNTsaregoodreinforcementsforPIfilms,therearealotofunresolvedproblemsrestricteditsdevelopmentsuchasdistinctdifficultyindispersionandhighproductioncost.
23.Thethicknessoftheresultantfilmswasabout0.055–0.065mm.
24.Young’smodulusshowslittlechangeswithincreasingGO-APTScontentfrom0to1wt%.
25.Sparkedbytheflourishinginvestigationongraphene-basednanomaterials,two-dimensionalmaterialshaveattractedtremendousattentionofresearchers.Asanemergingstarwithgraphemeliketwo-dimensionalstructure,graphiticcarbonnitride(g-C3N4)wasintroducedasametal-freephotocatalystforhighlyefficient
hydrogenevolutionundervisiblelight.
26.SomeworkshaveendeavouredonthetrialbycombiningPUelastomerswithdifferentnanofillers.
27.Inmanycases,amethodtoavoidpartsofthesedrawbacksistoassemblenanostructuredMnO2withconductivematerials,suchascarbon,carbonnanotubesandgraphene(GNS)
28.RecentexponentiallyincreasingresearchadvancementsinthedevelopmentofelectrodematerialshavebeenpursuedonMnO2/graphene
hybrids.
29.Thereisastrongtendencytoirreversiblyaggregateorrestackforgrapheneflakes.
30.(XRD)Nootherpeaksareobserved,indicatinghighpurityoftheas-preparedsamplesandtheintroductionofGNShasnoimpactoncrystalformsofMnO2.
31.PVCplastisolinliquidform(denotedhereasPL)withadensityofp=1.37g/cm3wasusedasthepolymermatrixofthecompositesinvestigatedinthisstudy.
32.ThermalgreaseastraditionalTIMisunrecoverableanditsthicknessisdifficulttocontrol,whichiseasytopenetrateorpumpoutonaccountofitsliquidity.
33.ThedatashowsthatthesynergisticeffectofMGFsandGFonthermalconductivityofpolymercompositesisindeedremarkable.
34.TakingT25%(temperatureat25%weightloss)foranexample.
35.Sincesuchcompositesretaintheuniqueinterconnectedgraphenesheets,ahighelectricalconductivityisachievedascomparedtothosefabricatedbyconventionalmethods.
36.TheG-PDMS-1exhibitsanin-planeelectricalconductivityof~3.2S/mwitha
loadingof0.4wt%whiletheG-PDMS-4shows~1.4102S/mwithaloadingof1.9wt%.Thismorethantwoordersofmagnitudegapisasignificantdifferenceconsideringthefacttheloadingofgrapheneofsmallsizeisfourtimeshigherthanthatoflargesize.
37.Thisconfirmsthatthesizeofgraphenesheetplaysacentralroleindeterminingtheelectricalconductivityofthecomposite.
38.Effectivedispersionisthekeyrequirementformaximizingtheenhancementpotentialofgraphene.
39.ThesehybridcompositespresentedlimitedEMIshieldingperformancebecausetheypossessedonlylowelectricalconductivitiesandlackedseamless(无缝的)conductingnetworks.
40.Allinall,SETpresentedarisingtrendwithincreasingelectricalconductivityandporosity.
41.Thestrategyintroducedinthispapercanbeusedasaversatilewaytofabricationofvariousmetal-oxide-basedcomposites.
42.Manystrategieshavebeenproposedandinvestigatedtocircumventthisproblem.
43.TheTGAcurveindicatesthatthecarboncontentintheSnO2SMCs@Cisabout29wt%.
44.Additionally,nopeaksbelongingtocarbonaredetected,suggestingtheamorphousnatureofthecarbonshell.
45.Itcanbenoticedthatcomparedwithseriousaggregation,obviousdefectsandpoorinterfacialbondinginBT/PVDF,BT@SiO2/PVDFcompositeshowsgooddispersion,fewerdefectsandimprovedinterfacialadhesionstatus.
46.Asaresult,stronginteractionbetweenBT@SiO2andPVDFisproducedandthusresultsinimprovedinterfacialadhesion.
47.TheBTwasuniformlycoveredbyalayerofamorphousSiO2withtunableshellthicknessbymeansofchangingmassratioofBTtoTEOS.
48.Afterthat,thesuspensionofPSmicrospheres(6g)wasaddeddropwiseintotheaboveGOandammoniummolybdatedispersionundermagneticstirring.
49.ThoseMoOxspeciescannotonlyserveasetchersreactingwithcarbonatomsongraphenesheets,butalsoas“spacers”dispersedbetweentheindividualgraphenesheetstopreventtherestackingofgraphene.
50.ThepropertiesofcompositesarerelatedcloselytothewettabilitybetweenCFsandmatrixresin.
51.ThesufficientcontactbetweenCFsandMPSRatamolecularlevelnotonlyreducesdefects,voidsandcracksintheinterface,butalsohelpstoformmuchstrongerVanderWaalsinteractions,mechanicalinterlockingandchemicalbonding,whicharebeneficialtoenhanceinterfacialadhesionandoverallpropertiesoftheresultingcomposites.
52.Inspiteofgreatpotentialinhighk⊥andmechanicalstrength,the3DCNT-intercalatedgraphitecompositestillsufferfromseveralbottlenecks.
53.TheXRDpatternsofCNT/EGBpressedunderdifferenttemperature.Thedominantdiffractionpeakfromgraphite(002)wasobservedat26.4inallthepatterns.
54.Apartfromimpartingflameretardantproperties,thesenanomaterialscanalsobeusedasreinforcedfillersinpolymernanocomposites.
55.Graphenehybridizedlayereddoublehydroxides(G/LDHs)areavaluableadditiontothefieldofnanomaterials.
56.Hybridsofgraphene(G)andlayereddoublehydroxides(LDHs)arepromisingnanomaterialsduetotheirversatilepropertiesandthelargenumberofcomposition/preparationvariablesavailableforfine-tuning.
57.Accordingtoourknowledge,thestabilityofthermalconductivityanddimensionofTIMshasnotbeenstudied,yetitisvitalforTIMsinthepracticalapplication.
58.TworemarkablecharactersarenotedforMGF/GF/PDMScompositesasshowninFig.2(f)–(h).First,somesmallpiecesofMGFsenteredintotheinteriorofarms,whichplaysaroleinreinforcingthelocalPDMS.Second,.............
59.TheredarrowinFig.8(b)showstheseparationofGFfromPDMSduetotheweakinterfacialbonding.
60.LiemandChoyreportedthatthethermalconductivityofgrapheneandboronnitrideco-filledpolymernanocompositeswasintherangeof6.2–9.5Wm1K1withdifferentqualityofsingle-layergraphene.
61.Thev
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