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ProductBrief–IXYSSolarProducts
IXOLARTMSolarTechnology
SolarCellTypes
Therearethreemaintypesofsolarcellmaterial,eachwithitsownpropertiesthatmakeitunique.
Thefollowingcostandperformancetrade‐offsshouldbeconsideredwhencomparingvarioussolar
cellmaterials:
Polycrystallinecellsarecommonlyfoundinoutdoorapplicationsandhaveaspectralsensitivityrange
of500nmto1100nm.They’reinthemediumpricerangeandtypicallyoffera13%powerconversion
efficiency.
Monocrystallinecells,suchastheIXOLARTMSolarBIT’sandSolarMD’s,haveaspectralsensitivityrange
from300nm(near‐ultraviolet)to1100nm(near‐infrared),whichincludesvisiblelight(400to700nm).
Duetothiswidespectralrange,theycanbeusedinbothindoorandoutdoorapplications.
Monocrystallineorsingle‐crystallinematerialisthemostexpensivebutitdoesnotcontainimpurities,
andassuchthepowerconversionefficiencydoesnotdegradeoveroperatingtime.Thepower
conversionefficiencyofcommerciallyavailablemonocrystallinecellsrangesfrom15to22%.The
surfaceofthesecellsisahomogenousdarkblueordarkgrey.
Finally,amorphouscells,whichworkinthespectralrangeof300nmto600nm,areused
predominantlyindoorsinproductssuchassolarpoweredcalculatorssincetheyarenotsensitiveto
theupperlightspectrumandcannottakeadvantageofnaturalsunlight.Theyofferabout5%power
conversionefficiencyandaremostlyusedwithultra‐lowpowerdeviceslikeclocksandelectronic
calculators.Amorphouscells,likepolycrystallinecells,sufferfromefficiencydegradation.
SolarpanelsdevelopelectricityinDCvoltagewhichis
differentthantheelectricalutilitygridnetwork(ACenergy).
Invertersserveasthegatewaybetweenrenewableenergy
resourcesandtheACelectricalgrid(specific
voltage/frequency).IXYSUKsuppliespowersemiconductor
chipstotheinverter‐ensuringthatDC‐ACvoltage
conversioniscontrolledwithoutpowersurgesoroutages.
IXYSUKhasoneoftheonlychipsabletocontrol/regulate
highvoltages
IXYSUKalsoprovidessolarcellsforapplicationswherethe
costofelectricityishighest‐thebattery.Thesolarcell
handlesdirectchargingofandprovidingelectricityfor
portablebatteriesinmyriadapplications,rangingfrom
traditionalalkalinebatteryrechargingtobatterychargingfor
laptopsandcellphonestoRFIDtagging,wirelesssensors,
testequipmentandsmokedetectors.IXYSUKistrulya
pioneerinthisindustry,asnoothercompanyhasasimilar
productonthemarket.