大學(xué)物理2-2太陽能電池實驗報告

數(shù)據(jù)處理一，計算出功率和電阻的數(shù)值表１，負載電壓和電流記錄表電壓/V光電流Ｉ/mA電阻/千歐功率/W0.005.020.000000.00000-0.105.000.020000.00050-0.204.970.040240.00099-0.304.960.060480.00149-0.404.920.081300.00197-0.504.910.101830.00246-0.604.880.122950.00293-0.704.850.144330.00340-0.804.800.166670.00384-0.904.740.189870.00427-1.004.670.214130.00467-1.104.590.239650.00505-1.204.460.269060.00535-1.304.310.301620.00560-1.404.140.338160.00580-1.503.940.380710.00591-1.603.690.433600.00590-1.703.400.500000.00578-1.803.080.584420.00554-1.902.710.701110.00515-2.002.260.884960.00452-2.101.781.179780.00374-2.201.271.732280.00279-2.300.713.239440.00163-2.370.249.875000.00057由圖知最大功率為５.９１mW對應(yīng)的最大電阻為３８０.７１歐Isc=5.02mAUoc=2370mVFf=Pmax/(Isc*Uoc)=0.5表２，太陽能電池正向偏壓與電流數(shù)據(jù)表U1/VU2/VI/AU/V0.000.000.000000.000.200.070.000340.130.400.150.000660.250.600.250.000920.350.800.370.001130.431.000.500.001310.501.200.640.001470.561.400.790.001600.611.600.960.001680.641.801.130.001760.672.001.300.001840.702.201.490.001860.712.401.670.001920.732.601.860.001940.742.802.060.001940.743.002.260.001940.743.202.460.001940.743.402.660.001940.743.602.870.001920.733.773.050.001890.72電壓和電流關(guān)系的經(jīng)驗公式為y=0.0026x-6E-18表３，不同光強下太陽能電池開路電壓和短路電流光強比值Isc/mAUoc/V64.90-2.3654.42-2.3343.30-2.2432.14-2.0921.20-1.8610.71-1.62表４，不同角度光照下電池開路電壓和短路電流角度/。開路電壓/V短路電流/mAP/W0-2.364.870.005710-2.344.610.005420-2.314.140.004830-2.273.510.004040-2.202.830.003150