基于工况模拟的n型TOPCon光伏组件UVID研究

刘汪利; 李家栋; 章康平; 戴建方; 李灵芝; 胥星星

doi:doi:10.19912/j.0254-0096.tynxb.2024-2186

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基于工况模拟的n型TOPCon光伏组件UVID研究

更新时间：2026-07-22

- 基于工况模拟的n型TOPCon光伏组件UVID研究
- Vol. 47, Issue 4, Pages: 663-671(2026)
- 作者机构：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-2186
  CLC： TM914
- Online First：08 May 2026，
  
  Published：2026
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刘汪利, 李家栋, 章康平, et al. 基于工况模拟的n型TOPCon光伏组件UVID研究[J]. 2026, 47(4): 663-671.
DOI：

刘汪利, 李家栋, 章康平, et al. 基于工况模拟的n型TOPCon光伏组件UVID研究[J]. 2026, 47(4): 663-671. DOI： doi:10.19912/j.0254-0096.tynxb.2024-2186.

摘要

针对n-TOPCon光伏组件出现的紫外诱导衰减（UVID）现象对其发电能力影响的问题

提出一种基于工况特征模拟UVID进程的光伏组件评价方法

对TOPCon组件的UVID特性及并网发电能力进行较全面的研究

弥补传统单因子组件UVID评价方法的不足。研究发现

紫外光可激活n-TOPCon光伏组件中的亚稳态特性

并导致组件输出功率波动

主要原因来自Si/SiOx界面缺陷、SiNx折射率及场钝化AlOx薄膜电荷的变化。在光浸泡环境下

使用具有较高折射率钝化介质薄膜的TOPCon电池或紫外截止胶膜进行组件封装

TOPCon组件亚稳态现象能得到有效抑制。基于户外发电数据分析

所提方法相较传统的光伏组件UVID老化评价方法

能更准确评价TOPCon组件的发电特性。

Abstract

Aiming at the issue of the impact of ultraviolet-induced degradation （UVID） on the power generation capacity of n-type TOPCon photovoltaic modules

a method for evaluating photovoltaic modules based on the simulation of UVID process by working condition characteristics is proposed. This method enables a more comprehensive study of the UVID characteristics and grid-connected power generation capacity of TOPCon modules

making up for the deficiency of traditional single-factor component UVID evaluation methods. The research finds that ultraviolet light can activate the metastable characteristics in n-type TOPCon photovoltaic modules and cause fluctuations in the output power of the modules. The main reasons are the defects at the Si/SiO interface

the refractive index of SiN

and the changes in the charge of the field-passivation AlO film. Under light-soaking conditions

using TOPCon cells with high refractive index passivation medium films or UV-cutting adhesive films for module encapsulation can effectively suppress the metastable phenomenon of TOPCon modules. Based on outdoor power generation data analysis

the proposed method can more accurately evaluate the power generation characteristics of TOPCon modules compared to traditional photovoltaic module UVID aging evaluation methods.

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references

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