On the 24th, Japanese solar technology leader Sharp announced in a press release that it has achieved a major breakthrough by developing a Triple-Junction Compound Solar Cell with the world's highest photoelectric conversion efficiency of 37.9%—a figure recorded during the research and development phase. This represents a significant leap forward in solar cell technology and could have far-reaching implications for renewable energy applications.
Unlike conventional solar cells that typically use silicon or germanium as their primary material, Sharp's new technology employs a compound made from multiple elements, such as indium, to create a more efficient light-absorbing layer. These types of solar cells are traditionally used in space applications, like satellites, due to their high efficiency and durability under extreme conditions. However, Sharp is now looking to expand their use into areas such as concentrated solar power systems and even electric vehicles, aiming to bring this advanced technology to more mainstream markets.
Sharp has been working on triple-junction solar cells since 2000, focusing on stacking three different layers within the light-absorbing structure to enhance performance. The company first achieved a conversion rate of 37.7% in December 2012, and through continued innovation, it has now pushed that number up to an impressive 37.9%. This progress highlights Sharp's long-term commitment to advancing photovoltaic technology and its potential to reshape the future of clean energy.
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