亚稳态对拓普康模块性能的影响.pdf

1、Impact of Metastability on Performance of TOPCon ModulesIngrid HdrichFraunhofer Institute for Solar Energy Systems ISEPV MODULETECH Conference Europe,December 2,2025,Malaga,SpainFraunhofer ISEUnique Independent Test-Infrastructure CalLab and TestLab PV Modules Accredited Test Laboratory(DIN EN ISO/I

2、EC17025)Accredited for all relevant Performance,Reliability and Safety Tests Authorized Certification Body Test LaboratoryCBTL Status:CB Testing Laboratory(CBTL)|IECEEScope of accredited Work:TestLab PV Modules-Fraunhofer ISEAccredited Calibration Laboratory(DIN EN ISO/IEC17025)One of only 5 Calibra

3、tion Labs for Modules Precise Module characterization since 1993 Worldwide acknowledged Reference Laboratory Leading Measurement UncertaintyStable calibration level since more than 15 years Deviation in the Isc signal compared to the PTB primary reference.Fraunhofer ISEAgendapublic31UVID vs Metastab

4、ility2Methods to Stabilize TOPCon Modules3Indoor vs.Outdoor Degradation Comparison4Metastability on Out of the Box ModulesFraunhofer ISEUVID vs MetastabilityModern silicon solar cells suffer from UV degradation 3,4 Theory:Si-H bond breaking 6-8 4c-Si,n-typep+SiO2/AlOx/SiNx stack+ARCAg contactAl cont

5、actp+emitterTOPCon stackAlOx/SiNx stack+ARCSiUVSiHH5SiHSi1.Wavelength dependence3 Thome,F.T.et al.,SolarRRL,2024.4 Sinha,A.et al.,Progress in PV,2023.5 Wolf,S.d.et al.,Green,2012.6 Sperber,D.et al.,IEEE PV,2017.7 Witteck,R.et al.,Progress in PV,2017.8 Khan,M.U.et al.,41stEUPVSEC,2024.TOPConUVIDFraun

6、hofer ISEUVID vs MetastabilityModern silicon solar cells suffer from UV degradation 3,4 Theory:Si-H bond breaking 6-8 5c-Si,n-typep+SiO2/AlOx/SiNx stack+ARCAg contactAl contactp+emitterTOPCon stackSiUVSiHHSiHSi2.Temperature dependence3 Thome,F.T.et al.,SolarRRL,2024.4 Sinha,A.et al.,Progress in PV,2