Tongwei achieves 26% efficiency with low-cost TOPCon solar cell design

Chinese manufacturer Tongwei announced a 26.03%-efficient tunnel oxide passivated contact (TOPCon) solar cell using a low-cost photoresist-based etching process, demonstrating potential for higher-performance panels at reduced manufacturing

First covered Nov 9, 2026 · 1:17 AM PT · 1 article

Tongwei achieves 26% efficiency with low-cost TOPCon solar cell design — Image via pv-magazine.com

Coverage

2d PV Magazine Tongwei unveils 26.03%-efficient TOPCon solar cell with high sheet resistance — The solar cell was fabricated using a low-cost photoresist-based etching process to create a selective emitter with a sheet resistance of up to 1,600 Ω/sq in…

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More coverage from around the web

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taiyangnews.info Tongwei’s Latest TOPCon & HJT Cell-Based Modules At SNEC 2024

taiyangnews.info Industrial TOPCon Solar Cells Reach 26.6% Efficiency

taiyangnews.info TOPCon Part II: High Efficiency Solar Technologies Conference Day 3

images.assettype.com Special Edition Tongwei Solar’s Module Products Overview

Appeared in: 2026-11-09 (#11)

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