高效组件测试解决方案(合肥晶澳技术交流报告)_看图王

高效高效组件测试解决方案组件测试解决方案2015年5月19日合肥工艺部Company Name Dept. Name2 2May 18, 2015目录 高效组件电容效应导致测试不准 高效组件测试电容效应 Pasan多次闪光测试方案Pasan“龙背”技术测试方案 Pasan ModGen测试方案 合肥晶澳现有机台模拟ModGen测量方式 HALM测试解决方案Company Name Dept. Name3 3May 18, 20151. 高效组件电容效应导致测试不准选取一块Percium组件和一块普通直角单晶组件，分别设置Pasan机台的测试模式 (SC-OC：正向测试；OC-SC：反向测试)，每块组件正测反测各三次。结果如下：从结果可以看到，对于高效组件，反向测试比正向测试功率高6.75W；对于普通单 晶组件，反向测试比正向测试功率高2.58W。该差异来自于组件测试过程中的电容效应。Company Name Dept. Name4 4May 18, 20152. 高效组件测试电容效应如图可以看到，电池具有电容效应，可以理解为在二极管模型中并联了一个电容器。 电容的充电电量与两端的电压成正比，在U=0时，电容充电电量最少；在U=OC时，电容充电电 量最大。 当测试方向为SC OC时，电容是一个不断充电的过程，此时Imeas=IphIcap，因此 测试的电流Imeas比实际电流Iph低，导致测试功率及FF比实际值低。 当测试方向为OC SC时，电容是一个不断放电的过程，此时Imeas=Iph+Icap，因此 测试的电流Imeas比实际电流Iph高，导致测试功率及FF比实际值高。 造成如上现象的原因在于，目前所用的Pasan机台脉冲持续时间为10ms，每个测试点 的时间只有40us。而电池电容充放电达到均衡的时间是ms级。如果选用长脉冲或者恒定光源的 IV测试仪，可以解决该问题。Company Name Dept. Name5 5May 18, 20153. Pasan多次闪光测试方案现有测试可以用的方法 采用多次闪光测试方法，通过10-20次闪光将整 个测试时间加长，每次闪光测试时间10ms，将升压过程 平均到多次闪光测试中，每次闪光测试的升压幅度降低， 通过这种方法降低电容效应对测试结果的影响；正反向测试IV曲线差异闪光次 数选择测试点 数设置多次双光测试软件设置要求Company Name Dept. Name6 6May 18, 20154. Pasan“龙背”技术测试方案1.10ms测试时间2.电压台阶升高分12步进行测试3.多项式拟合-绘制IV曲线现有 测试 方法“龙背” 测试 方法1.10ms测试时间2.电压线性升高测试250个点3. 绘制IV曲线可以根据不同组件类型匹配升压的台阶长度和高度；Company Name Dept. Name7 7May 18, 20155. Pasan ModGen测试方案Company Name Dept. Name8 8May 18, 20155. Pasan ModGen测试方案Company Name Dept. Name9 9May 18, 20155. Pasan ModGen测试方案Company Name Dept. Name1010May 18, 20156. 合肥晶澳现有机台模拟ModGen测量方式Pasan 目前测试机台关于编辑非线性升压曲线，解决高电容效应组件测试问题的描述：Company Name Dept. Name0303 MdecountPmaxIscVocIpmmVpmmFFDirectsplit 1285.9469.46539.3648.89532.14876.7 split 3287.6659.46639.4128.90632.377.1 split 5288.1439.46439.4168.90932.34577.2 split 7288.4479.45939.4188.90332.39877.4Reversesplit 1292.9649.45639.3398.93732.78378.8 split 3290.0569.45439.4428.90932.55677.8 split 5289.4099.45339.4628.91332.47177.6 split 7289.1329.45339.4678.90332.47777.5Custom1288.6629.45439.3878.90332.42177.5 2288.739.45839.3898.90632.41877.5 3288.6189.45239.3818.90232.42177.5 4288.5219.44439.3818.90232.41277.6 5288.5029.44739.3798.89832.42377.6 6288.5089.44839.3898.90532.39977.5 7288.5199.44739.4038.90632.39677.5 8288.4819.4539.3918.932.41277.5 9288.4429.44239.3758.90132.40477.6 10288.4859.4539.3828.90332.40377.5 Average288.5479.449239.38578.902632.410977.53PmaxIscVocIpmmVpmmFF Multiflash288.799.45639.44258.90332.437577.45 Custom288.5479.449239.38578.902632.410977.53 偏差0.084%0.072%0.144%0.004%0.082%0.103% 验收标准0.40%0.30%0.30%/0.80%正反向7次闪光结果符合 要求；Company Name Dept. Name1212122015-5-180244MdecountPmaxIscVocIpmmVpmmFFDirectsplit 1289.6439.53139.1148.98932.22277.7split 3291.2329.52939.1668.99632.37478split 5291.8149.52739.1728.99332.45178.2split 7291.7779.52839.1748.99532.43978.2Reversesplit 1295.9339.5339.0299.0232.80879.6split 3293.7179.52839.229.00232.62878.6split 5293.1719.52639.232932.57578.4split 7292.779.52739.1928.99132.56478.4Custom1292.7089.52839.1898.99332.54778.42292.6969.52639.188.99332.54978.43292.6379.52439.1898.99732.52578.44292.719.53339.1858.99432.54678.45292.719.53539.1838.9932.55978.3Average292.6929.529239.18528.993432.545278.38正反向7次闪光结果符合 要求；PmaxIscVocIpmmVpmmFFMultiflash292.2749.527539.1838.99332.501578.3Custom292.6929.529239.18528.993432.545278.38偏差0.143%0.018%0.006%0.004%0.134%0.102%验收标准0.40%0.30%0.30%/0.80%Company Name Dept. Name1313132015-5-180369MdecountPmaxIscVocIpmmVpmmFFDirectsplit 1291.2219.49839.1698.98332.41878.3split 3292.7969.539.184932.53378.7split 5292.9349.539.2128.99332.57578.6split 7293.0749.50239.1818.99332.5978.7Reversesplit 1295.5779.49639.1349.02132.76679.5split 3293.9259.49639.2039.00232.64979split 5293.5039.49839.2179.00332.60178.8split 7293.3319.49939.1968.99832.59878.8Custom1293.4589.539.1928.99932.60878.82293.4759.50139.2019.00132.60678.83293.4699.50239.2139.00132.60478.84293.3679.539.2068.99632.6178.85293.3799.50739.2128.99632.61378.7Average293.439.50239.20488.998632.608278.78PmaxIscVocIpmmVpmmFFMultiflash293.2039.500539.18858.995532.59478.75Custom293.439.50239.20488.998632.608278.78偏差0.077%0.016%0.042%0.034%0.044%0.038%验收标准0.40%0.30%0.30%/0.80%正反向7次闪光结果符 合要求；Company Name Dept. Name1414142015-5-18DUT 1DUT 2DUT 3Module name030303690244Pmax custom W288.547293.43292.692FF custom %0.77530.78780.7838Isc custom A9.44929.5029.5292Voc custom V39.385739.204839.1852Pmax MultiFlash W288.79293.203292.274FF MultiFlash %0.77450.78750.783Isc MultiFlash A9.4569.50059.5275Voc MultiFlash V39.442539.188539.1831-Pmax custom/Pmax MultiFlash0.084%0.077%0.143%1-FF custom/FF MultiFlash0.103%0.103%0.103%1-Isc custom/Isc MultiFlash0.072%0.016%0.018%1-Voc custom/Voc MultiFlash0.144%0.042%0.006%结论：采取原SunSim软件中Custom模式， 调整升压曲线，可以达到Dragonback的验 收标准；Company Name Dept. Name1515May 18, 20157. HALM测试解决方案Company Name Dept. Name1616May 18, 20157. HALM测试解决方案Company Name Dept. Name1717May 18, 20157. HALM测试解决方案Pmax(Module:2502,N-type Bifical cells)10ms30ms50ms70ms90ms100ms Forward281.20 283.82 284.53 284.68 284.75 285.02 Reverse291.97 287.30 286.58 286.46 286.31 285.93 Hysteresis285.92 285.51 285.53 285.57 285.52 285.47 (