低效率分析培训资料技术二部太阳能电池原理太阳能电池等效电路电参数介绍•Uoc:开路电压•Isc：短路电流•Rs：串联电阻•Rsh：并联电阻•FF：填充因子•Pmpp：最大功率•Umpp：最大功率点电压•Impp：最大功率点电流•Irev1：反向电流1(-10V)•Irev2：反向电流2(-12V)•Ncell：转换效率PmppImppPmax△I△VRs是該段線斜率Rs=dU/(Isc1-Isc2)电性能参数计算公式低效率数据972.10142713.3319264050.4700938497.0877898430.5880154557.4958263960.00369599137.8782005375.593967450.136554360.4569801690.670109153973.39162483.1445731420.4695833236.6965179360.5829594957.1451928170.00349115329.3317890275.493466410.1288759410.4975212810.6932282451010.8073573.3583471890.478996937.0112081630.5910518957.4737097810.00339278623.0028629376.026281310.1376371830.7746489051.0863167051025.967183.1392716570.4787645556.5570260470.5814092037.1727752670.00355547517.8666496375.276561540.1286586671.2806552652.102431297990.88269333.4357300560.4811822297.1401848450.6001756528.0785333050.00800068915.884175370.86114110.1408086120.7185619470.8344306951004.8098793.3075835410.4743504286.9728693040.6044551488.2403698570.01161493222.0766429966.404886220.1355566980.437031180.504364669988.2915893.4149891020.4751841227.1866650030.6058087318.2840009450.01035466814.6321573368.04773190.1399585750.6945592160.8164129261017.9034443.2910949870.4746982076.9330259470.6085411998.2661894310.01145949616.3438224865.425202810.1348809450.6476299760.7534727451017.9034442.4156135620.466888275.1738578950.5880343098.144027350.0009266470.10746106550.441218560.09900055812.2692375212.26923752969.52103183.2808457150.487078186.73576820.5946533678.1275776960.00220780.23267921867.882963810.13446089612.2677307112.267730711024.0318833.4897055050.4946639077.0547000820.6002972878.113598470.0031479380.61445683271.648794340.14302071912.2692375212.269237521008.2269622.4405367930.446258395.4688871940.6085802527.5711318190.0224080749.65438461352.967161040.1000220031.0716048481.291911244969.84358122.7119654120.4414336146.1435407910.6115356218.1172127920.020881649.73721027454.633051230.1111461221.3079513311.51179409994.35733683.4840308090.4881098627.1378004810.613648748.406919620.0108597837.17748737367.534430970.1427881421.6092653271.840768337997.26028153.2151033380.4909373696.5489073440.600442937.818289160.0073162841.25371241668.487525020.1317665289.79164314311.59568882低效率数据Uoc&Isc异常Uoc&Isc异常FF异常Rs异常Rsh异常Rs&Rsh异常从数据上看，低效率主要分为2大类，即Uoc&Isc异常和FF异常其中FF异常又分为3类：1.单纯由于Rs偏高导致的低效率2.单纯由于Rsh偏低导致的低效率3.Rs偏高和Rsh偏低同时导致的低效率低效率分类低效率分类Uoc&Isc81.83%Rs7.12%Rsh4.23%Rs&Rsh6.81%FF异常18.17%Uoc&IscRsRshRs&Rsh小于15.35%的低效率中电压电流异常所占比例在81以上，FF异常占18%其中FF异常中Rs异常占7.12%,Rsh异常占4.23%，Rs&Rsh同时异常占6.81%RsRshRs&RshUoc&Isc总计RsRshRs&RshUoc&Isc3-1白332104852211273212.15%3.81%3.11%80.93%3-1夜197110260264532126.13%3.42%8.09%82.35%3-2白8894150143117634.99%5.33%8.51%81.17%3-2夜10513394177821104.98%6.30%4.45%84.27%3-3白62381157729876.28%3.85%11.65%78.22%3-3夜1133770116213828.18%2.68%5.07%84.08%Rs偏高原因分析在网版浆料等参数不变的情况下单纯的RS偏高主要有以下几个方面的原因：1.网印印刷的质量，主要是第三道虚印的情况（第一道同样影响）2.烧结和方阻、浆料的匹配性以及方阻的均匀性3.操作过程中存在的工艺卫生、擦拭片等问题印刷烧结扩散方阻网版浆料的匹配操作问题测试因素硅片电阻率偏高扩散方块电阻偏高网印第...
