电池片投产比异常分析报告

1、2022/5/26P. 12022/5/26P. 2目录目录2022/5/26P. 3D1-组建问题分析小组组建问题分析小组组长 唱瞳质量主管 朱晶晶设备经理沈维光生产主管李海龙仓储叶友佳技术经理 蔡贤峰2022/5/26P. 4D2-问题描述问题描述根据日报显示2014年10月28日阳光大地电池片投产比与10月23日、24日投产比差异较大。2424日投产比为日投产比为100.79%100.79%，2828日投产比日投产比101.47%101.47%，差异，差异0.680.68% %（ Baseline Baseline：0.75%0.75%）100.79%101.47%99.00%99.50

2、%100.00%100.50%101.00%101.50%102.00%9/89/139/189/239/2810/310/810/1310/1810/2310/2811/211/711/1211/1711/2211/2712/212/712/1212/1712/2212/27每日每日60pcs投产比走势投产比走势 by17.20%LCLUCL天合东銞新日光高佳阳光大地2022/5/26P. 5D3-临时对策临时对策2022/5/26P. 6D4-原因分析原因分析Fish Bone Analysis为为何何会会出出现现投投产产比比异异常常？人人法法料料机机校准数据误差较大校准数据误差较大温度传

3、感器精度不高温度传感器精度不高机台重复性达不到要求机台重复性达不到要求标片、监控组件校准测试时为按相应时间要求标片、监控组件校准测试时为按相应时间要求电池片来料档位差异电池片来料档位差异材料变更导致封损材料变更导致封损差异差异监控组件未监控到位监控组件未监控到位测试台测试台5S不到位不到位环环温湿度温湿度变化较变化较大大测试组件未摆放到位测试组件未摆放到位测试时操作测试时操作不当不当机台稳定性达不到要求机台稳定性达不到要求2424日机日机台表面台表面灰尘较灰尘较多，导多，导致透光致透光率下降，率下降，电流受电流受影响。影响。监控组件趋势图（反映标准板使用情况）2022/5/26P. 7238.

4、65238.88236.29 236.80 237.30 237.81 238.31 238.82 239.32 239.83 10:0014:0016:0010:0014:0016:002014.10.242014.10.28好利监控趋势图好利监控趋势图UCL-PmaxCL-PmaxLCL-Pmax OEM Pmax以上趋势图可以看出：以上趋势图可以看出：1 1、2424日标准板校准值趋于平稳，日标准板校准值趋于平稳，2828日有一定波动，日有一定波动，且在且在14:0014:00达到当天最大值达到当天最大值238.88W238.88W，与，与2424日最小值差异日最小值差异0.23W0.2

5、3W。2 2、标准板校准值以及测试过程中存在差异。、标准板校准值以及测试过程中存在差异。功率重复性测试对比图2022/5/26P. 8功率损失-0.19%0.15%0.08%-0.03%0.12%-0.11%-0.24%-0.27%-0.29%-0.12%UCL0.75%0.75%0.75%0.75%0.75%0.75%0.75%0.75%0.75%0.75%LCL -1.20%-1.20%-1.20%-1.20%-1.20%-1.20%-1.20%-1.20%-1.20%-1.20%12345678910UCL:0.75%LCL:-1.20%-1.30%-1.20%-1.10%-1.00%-

6、0.90%-0.80%-0.70%-0.60%-0.50%-0.40%-0.30%-0.20%-0.10%0.00%-0.40%-0.30%-0.20%-0.10%0.00%0.10%0.20%0.30%0.40%0.50%0.60%0.70%0.80%0.90%功率重复性测试对比图（功率重复性测试对比图（10月月24日）日）功率损失UCLLCL 功率损失0.11%0.10%0.37%0.02%0.12%0.21%0.13%0.11%0.05%-0.10%UCL0.75%0.75%0.75%0.75%0.75%0.75%0.75%0.75%0.75%0.75%LCL -1.20%-1.20%-

7、1.20%-1.20%-1.20%-1.20%-1.20%-1.20%-1.20%-1.20%12345678910UCL:0.75%LCL:-1.20%-1.30%-1.20%-1.10%-1.00%-0.90%-0.80%-0.70%-0.60%-0.50%-0.40%-0.30%-0.20%-0.10%0.00%-0.20%-0.10%0.00%0.10%0.20%0.30%0.40%0.50%0.60%0.70%0.80%功率重复性测试对比图功率重复性测试对比图(10(10月月2828日日）功率损失UCLLCL 以上趋势图可以看出：以上趋势图可以看出：1 1、2424日重复性测试数据正

8、常。日重复性测试数据正常。 2 2、2828日重复性测试时，第二次测试值高于第一次测试值得情况占日重复性测试时，第二次测试值高于第一次测试值得情况占90%90%。说明说明2828日测试时受到温度或校准差异的影响。日测试时受到温度或校准差异的影响。功率前后比对图（抽样30PCS）2022/5/26P. 924624825025225425628日功率前后对比图日功率前后对比图Pmax（第一次）Pmax（第二次）24日功率前后对比图日功率前后对比图2122232425261357911 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49

9、 51 53 55 57 59 61SurfTemp1（第一次）SurfTemp2（第二次）24日温度前后日温度前后对比图对比图28日温度前后日温度前后对比图对比图以上趋势图可以看出：以上趋势图可以看出：1 1、同厂家、同厂家17.2%17.2%电池片（非同一组件），电池片（非同一组件），2828日以及日以及2424日投产比存在差异日投产比存在差异2 2、功率重复性符合要求。（测试机台无异常）、功率重复性符合要求。（测试机台无异常）以上趋势图可以看出：以上趋势图可以看出：1 1、2828日测试温度与日测试温度与2424日相近，日相近，2828日更趋于稳定。日更趋于稳定。2 2、温度并非造成投产

10、比差异。（测试温度无异常）、温度并非造成投产比差异。（测试温度无异常）数据Isc分析2022/5/26P. 10SerialIscVocPmaxSurfTemp2S141001405153 8.95526737.46526253.71888524.2S141001405191 8.930061 37.369359 250.94953423.8S141001405193 8.911028 37.323386 250.24737523.4S141001405202 8.914003 37.367906 251.17055724.1S141001405203 8.922391 37.414146 2

11、53.00171824.6S141001405248 8.912532 37.372182 250.28497623.5S141001405249 8.927936 37.320768 251.51059723.3S141001405381 8.931868 37.370718 251.76081123.1S141001405382 8.958285 37.341614 252.55199823.4S141001405384 8.912276 37.390842 253.06605423.8S141001405386 8.955354 37.402122 252.09145524.1S1410

12、01405388 8.953387 37.400692 252.23652623.5S141001405414 8.916478 37.377351 251.13962723.1S141001405416 8.936579 37.342804 251.63933223.1S141001405420 8.938005 37.323618 252.27717223.6S141001405425 8.931636 37.369385 250.49324623.8S141001405427 8.934237 37.411965 251.65234723.7S141001405428 8.935202

13、37.375789 251.87409424.1S141001405429 8.910916 37.401524 251.08003523.6S1410014054448.935337.395766 251.93313523.1S141001405452 8.94623537.41042252.00572523.4S1410014055098.9533337.385111 252.51340923.8S141001405521 8.902698 37.415395 252.70801924.1S141001405522 8.915686 37.380483251.7567824.8S14100

14、1405526 8.910902 37.378496 251.91784223.6S1410014055368.9516337.341165250.6982323.5S1410014055378.9287237.377156 251.83746123.4S141001405541 8.925946 37.365918251.7587323.8S141001405548 8.939614 37.401039 252.98462423.7S141001405552 8.90980937.45182252.81453423.5SerialIscVocPmaxSurfTemp2/p>

15、68.99537.455581 254.54224323.0S141001406284 9.003278 37.493426 254.61133923.5S141001406302 8.968169 37.462324 254.22916523.2S141001406321 8.988383 37.454012 254.03098423.0S1410014063278.9938137.46612254.61848923S141001406328 8.957088 37.470358 254.83213423S141001406331 8.99169537.47407253.93576323.1

16、S141001406336 8.939822 37.419019 254.95494623.9S1410014063419.0250437.387409 253.42830723S141001406355 8.998985 37.428895 254.11061823S141001406843 8.979996 37.472203 253.97540423.1S141001406868 9.006403 37.434647253.9068823.5S141001406916 8.953096 37.397941 254.46595823.0S141001406975 8.967891 37.4

17、51924 254.14621523.2S141001406996 8.941751 37.423568 254.26493323S141001406999 8.95751337.44015253.87320623.1S141001407005 8.994167 37.408787 253.76669623S1410014070268.9511637.442934 254.47644923.1S141001407045 8.992562 37.525538254.4981423.3S141001407064 9.016048 37.454251 253.00602323.1S141001407

18、080 9.02757937.4421253.859523S1410014070878.9925337.462354 253.66893123S141001407093 9.013766 37.460724 253.33257923.0S141001407096 8.989121 37.469346 253.45680723.4S141001407105 8.987595 37.497555 252.94659223.4S141001407109 9.035734 37.498925 254.14698723S141001407126 9.016023 37.466873 253.62382423.1S1410014071279.0052537.533014 254.1341712