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What Is Heterojunction Technology (HJT) in Solar Industry

Jan 10, 2024

Heterojunction Technology (HJT) is spearheading a new era in solar cell development, pushing the boundaries of efficiency and power output in photovoltaic systems. This advanced technology seamlessly blends the strengths of monocrystalline silicon and amorphous silicon thin-film, resulting in a Hybrid Solar Cell that excels in performance.

At its core, HJT involves stacking monocrystalline silicon wafers with amorphous silicon layers, creating a heterojunction that optimizes the unique advantages of each material. Monocrystalline silicon ensures a stable and consistently high efficiency, while the amorphous silicon layer extends light absorption capabilities across a broader spectrum. This synergy empowers HJT solar cells to capture solar energy more effectively, particularly in challenging lighting conditions.

What sets HJT apart is not only its exceptional efficiency but also its impressive power output. With an average efficiency exceeding 23%, HJT Solar Modules have demonstrated the capability to reach a power output of 380 W for 60-cell panels and up to 452.5 W for 72-cell modules. This remarkable performance is a testament to the technology's ability to maximize energy production.

 

In recent years, HJT has gained widespread recognition as a frontrunner in the solar industry, offering a compelling combination of efficiency, power, and cost-effectiveness. With a steady rise projected, HJT is anticipated to secure a significant market share, with estimates reaching 15% by 2029.

As the global demand for sustainable energy solutions intensifies, Heterojunction Technology stands as a beacon of innovation, providing concrete parameters of increased efficiency, elevated power outputs, and a promising trajectory toward a more sustainable and energy-efficient future.

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