银浆中玻璃相对银铝接触电阻及接触界面的影响研究Effect of glass phase in Ag paste on Ag/Al contact resistance and contact interfaceSchool of Materials Science and Engineering, East China University of Science and Technology
华东理工大学-材料科学与工程学院
张杰峰
1.BackgroundThecontactformationbetweenAgandAlelectrodeimportAg/Alcontactresistance,whichhaveanimportanteffectoncellproperty.
The interface between Ag electrode and Al electrode
T. Urban, M. Heimann, A. Schmid, A. Mette, J. Heitmann, Energy Procedia 2015, 77, 420.
1.BackgroundAg powderconductive phase for electron transport and collectionGlass fritinorganic binder phase to determine the adhesion strength and contact resistance between Ag and Al electrodeOrganic phasedisperse phase allowing smooth printing of the Ag paste and obtaining a good aspect ratio of gridsThisworkattemptedtoinvestigatetheeffectofglassphaseinAgpasteonthecontactresistancebetweenAgandAlelectrode.
2.ExperimentThe preparation of
glass frit
The preparation of
Ag paste
The preparation of
electrode
2.Experiment
Thermal properties ThetestofDSCcurveandglasstransitiontemperatureofglassfritwerecarriedoutwithdifferentialscanningcalorimeter(DSC,TA,Q20)inairandaheatingrateof10°C/minAg/Al contact resistanceThecontactresistancebetweenAgandAlelectrodewasmeasuredusingadigitalmicro-ohmmeterMorphology characterization Field-emissionscanningelectronmicroscopy(FE-SEM,Hitachi,S-4800)wasemployedtoobservecross-sectionalmicrostructurebetweenAgandAlelectrodeandthesurfacemorphologyofsinteredAgelectrode
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