返回 相似
资源描述:
Solar basic technology training 太阳能基本知识培训Contents内容1. Silicon refining process 硅的提炼过程2. Wafer types and its productive process 硅片的种类及其生产过程3. Solar cell productive processImportant parameters of solar cell 太阳能电池片生产流程和太阳能电池的重要参数4. PV modules productive process 太阳能组件工艺流程5. Benefit of using back contact modulesdescription of different types of PVcell modules 背结式太阳能电池的优点以及不同类型的太阳能电池模组的描述The detail is as follows 详细介绍如下1.Silicon purifyingprocess 硅的提纯过程Mine 硅矿 Silica stone 硅石 Metallic silica 金属硅 Polycrystalline silicon 多晶硅Mono-crystalline silicon 单晶硅2.Wafertypes and its productiveprocess 硅片的种类及其生产过程① Wafer types 硅片种类 N type silicon N 型硅( doping with boron 掺杂硼)Mono-crystalline silicon 单晶硅 P type silicon P 型硅( doping withphosphorus 掺杂磷)Poly-crystalline silicon 多晶硅 P type silicon P 型硅② Wafer productive process 硅片生产过程1 Silicon powder 硅粉2 heated it up and melting it make it to fluid in a chamber 在密封的腔体中加热使其熔化3 doping with boron P type or phosphorus N type 掺杂硼( P 型硅)或者磷( N 型硅)4 castit, became ingot 在特殊的炉子里铸造形成硅锭5 cut it into pieces ,the wafer is formatted 切割成片,硅片形成了Detailed illustration is as follows 详细图解如下The cutting step detailed illustration is as follows 切片详细图解如下3.Solar cell productive process 太阳能电池片生产流程1) .Clean etching 清洗腐蚀2. Texturizing 制绒Mono-crystalline silicon Poly-crystalline silicon texturizing 单晶硅与多晶硅制绒Mono-crystalline silicon texturizing with alkali Poly-crystalline silicon texturizing with acid 单晶硅碱制绒多晶硅酸制绒3) .Doping form PN junction 掺杂,形成 PN 结Process of doping with phosphorus in diffusion furnace 在扩散炉里进行磷扩散的工艺Diffusion purpose form PN junction 扩散目的形成 PN 结4) .PSGphosphorus silicate glass etch 去磷硅玻璃Use HF to remove the surface PSG 用氢氟酸去掉表面生成的 PSG 5) .Edge isolation ( Use chemical reagent to remove both sides and bottom useless N type layer)边缘刻蚀(去掉两边和底部掺杂形成的 N 型层,使硅片上下表面绝缘)6) .PECVD deposition SINx coating ARCAnti-reflective coating, passivation PECVD 淀积氮化硅薄膜 减反射,钝化作用7) Metalization ( Screen print)丝网印刷Front side print Back side print 正面印刷背面印刷8) .Firing 烧结 9) .Test and sort测试分选 Major parameters of the solar cell 太阳能电池的主要参数I sc short circuit current 短路电流Voc open circuit voltage 开路电压Imax maximum operating current 最大工作电流Vmax maximum operating voltage 最大工作电压P max maximum operating power 最大工作功率FF fill factor 填充因子 FFP max/I sc*Voc Eff efficiency 效率 EFFcell output/light radiation power Rs series resistance 串联电阻Rsh shunt series 并联电阻The circuit model of solar cell is as follows 太阳能电池等效电路模型如下Rs must be as low as possible , Rsh must be as high as possible 串联电阻越小越好,并联电阻越大越好5. PV modules productive process 太阳能组件工艺流程1) .Tabbing stringing 串接固定2. Stack-up 叠层Detail is as follows 详细描述如下 3) .Lamination/ AOI inspection 层压 /自动光学检测4) .Trimming 修边,去掉边缘挤压出的 EVA 5) .Framing 装框 6) .Junction box(装接线盒,电池正负极由此导出与外界电路相连)7) Testing(测试)Tester (测试仪) Tested curve and data(测试曲线和数据)8) Clean(组件清洗)Clean the surface and the edge of the cell module 对电池片表面和边缘进行清洗9) .Sort 分类 According to the electrical performance parameters to sort the cell modules 根据最终电气性能参数对电池模组进行分类5. Benefit of using back contact modulesdescription of different types of PVcell modules 背结式太阳能电池的优点以及不同类型的太阳能电池模组的描述1.Back contact solar cell modules description Cell type Mc/Cz Bus bar P/N type Technology EFF H-type Mc 2BB P Standard 16.5 H-type Mc 3BB P Standard 16.8-17.1 H-type Mc 2/3BB P HIT 22 H-type Mc 2/3BB P PLUTO 19-20 H-type Mc 2/3BB P Standard 16.5-17.1 H-type Cz 2/3BB P Standard 18.0-18.5 H-type Cz 2/3BB N Standard 19.0-19.5 Back contact Mc 0 P MWT 17-17.2 Back contact Mc 0 P EWT 20-22 Back contact Mc 0 P IBC 23-25 2.Benefit of using back contact solar modules 使用背结式太阳能电池模组的优点 With a simple physical change to the H-type cell 对传统的 H 型电池进行物理改造– 0.2 abs. cell efficiency increase due to less shadowing – 由于阴影面积减少,电池片效率能提高 0.2 – 0.1 – 0.2 abs. cell efficiency increase due to lower series resistance – 由于串联电阻的减少,电池片的效率可以提高 0.1-0.2 Depending on the process cell Eff 17 on mc-Si and 18.5 on Cz-Si 基于这个制程,多晶硅电池片效率可以达到 17以上,单晶硅电池片可以达到 18.5以上 Less than 1 power loss from cell to module can be achieved 从电池片到模组的功率损失在 1以下 Manufacturing cost is 0.02/Wp lower than H -type module 制造成本每瓦比传统型电池片低 0.02 欧元
点击查看更多>>

京ICP备10028102号-1
电信与信息服务业务许可证:京ICP证120154号

地址:北京市大兴区亦庄经济开发区经海三路
天通泰科技金融谷 C座 16层 邮编:102600