基于Griddler模拟的晶硅异质结太阳电池金属化图形优化

李晓彤; 贾晓洁; 赵雷; 彭长涛; 辛科; 王文静

doi:doi:10.19912/j.0254-0096.tynxb.2024-2054

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基于Griddler模拟的晶硅异质结太阳电池金属化图形优化

更新时间：2026-07-22

- 基于Griddler模拟的晶硅异质结太阳电池金属化图形优化
- Vol. 47, Issue 4, Pages: 606-613(2026)
- 作者机构：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-2054
  CLC： TM914
- Online First：08 May 2026，
  
  Published：2026
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李晓彤, 贾晓洁, 赵雷, et al. 基于Griddler模拟的晶硅异质结太阳电池金属化图形优化[J]. 2026, 47(4): 606-613.
DOI：

李晓彤, 贾晓洁, 赵雷, et al. 基于Griddler模拟的晶硅异质结太阳电池金属化图形优化[J]. 2026, 47(4): 606-613. DOI： doi:10.19912/j.0254-0096.tynxb.2024-2054.

摘要

针对基于n型晶体硅（c-Si）的异质结（SHJ）太阳电池

通过Griddler软件模拟电池的电流-电压（I-V）性能

对电极金属化图案进行了优化

以实现高转换效率。采用实验验证了模拟结果

并确认了仿真模型的准确性。模拟对比分析了电镀制备的铜电极与丝网印刷制备的银电极在由垂直排列的细栅和主栅组成的梳状图形中的优化效果。主要分析了电镀铜主栅数量、电镀铜与丝网印刷银细栅数量的电性能差异

以及铜电极高度的影响。提出在SHJ太阳电池中镀铜电极实现高效率的最佳参数：主栅数目为12

间距为13.85 mm

细栅间距为1.410 mm、线宽为20 µm时

电镀铜电极比丝网印刷银电极的最佳效率提高0.17%。理论上

电极高度越高

效率越高。通过优化主栅与细栅间的间距

栅线图形的设计可有效适用于不同尺寸的太阳电池。

Abstract

For silicon heterojunction （SHJ） solar cells based on n-type crystalline silicon （c-Si） wafers

the electrode metallization pattern is optimized to realize high conversion efficiency by simulating the current-voltage （） performance of the solar cells via Griddler software. Experimental validation of the simulation results confirm the accuracy of the simulation model. The optimization for copper electrodes prepared by copper-plating and silver electrodes prepared by screen-printing are both investigated and compared with respect to the comb-like pattern composed of fingers and busbars perpendicularly. This study includes the number of copper-plated busbars

a comparison of the electrical performance between copper-plated and screen-printed silver fingers

and the influence of copper electrode height. Optimal parameters for achieving high efficiency with copper-plated electrodes in SHJ solar cells are proposed. The optimal values are found to be 12 busbars

a busbar spacing of 13.85 mm

and a finger spacing of 1.410 mm with a width of 20 μm for the copper-plated electrodes

resulting in an efficiency improvement of 0.17% over the best efficiency achieved with screen-printed silver electrodes. Theoretically

the higher the electrode height

the higher the efficiency. By utilizing the optimal spacing between the busbars and fingers

the grid design can be effectively adapted and scaled for application to solar cells of different sizes.

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references

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