Cando Solar Unveils Innovative Lightweight Solar Wing System for Space Applications

In a groundbreaking development for the solar energy sector, Cando Solar has introduced a transformative solution called the "Cando Solar Cloth." This innovative, rollable crystalline silicon heterojunction (HJT) solar wing system made its debut at the SATELLITE × GovMilSpace event held on March 24 in Washington, D.C. Designed with emphasis on lightweight and scalable solar energy technology, it targets commercial satellites operating in low Earth orbit (LEO), alongside applications related to 6G communication and space computing.

Cando Solar's initiative represents a significant shift from traditional reliance on surface efficiency towards optimizing weight efficiency, unlocking largely untapped energy potential in space while promoting energy equity back on Earth. With the rapid expansion of the global commercial space industry and the increasing demand for frequent satellite launches, concerns around weight and associated costs have come to the forefront. Old-school rigid solar panels are typically bulky, heavy, and expensive, which poses challenges to the timely deployment of satellite constellations needed for modern communication and processing technologies. Cando Solar comes at this challenge with its uniquely engineered rollable solar wing solution, which has received considerable attention for its innovation and efficiency.

One of the standout features of the Cando Solar Cloth is its ultra-lightweight construction. Weighing merely 300-900 g/m² and featuring a compact rolled-up diameter of just 65 mm, this design drastically minimizes both launch volume and payload constraints. Moreover, the weight-to-power ratio of 1-5 g/W significantly reduces the overall mass of the satellite, thereby enhancing its feasibility for deployment.

Cost efficiency is another major advantage of the Cando Solar Cloth. In contrast to conventional gallium arsenide (GaAs) solar cells, this HJT-based system provides an impressive efficiency range of 23-35%, with advanced tandem-HJT cells achieving up to 35% efficiency. What’s even more striking is the 90% reduction in costs, achieved through shared production processes focusing not only on aerospace applications but also terrestrial sectors such as agriculture, construction, and transportation. This interconnected production protocol can notably decrease satellite manufacturing costs by up to 30%, addressing a considerable barrier to the widespread adoption of satellite constellations.

Reliability and durability also set the Cando Solar Cloth apart. Extensive electroluminescence testing demonstrated the solar wing's ability to withstand up to 10,000 rolls and unrolls, ensuring a stable energy output throughout its operational life in orbit. Huang Qiang, the founder of Cando Solar, remarked, "Our presentation at SATELLITE × GovMilSpace not only showcases our advanced capabilities in space energy but also marks a pivotal step in our global expansion strategy. We remain dedicated to effectively applying lightweight solar technology in space communication and processing, making clean, efficient energy a cornerstone for human endeavors in space exploration."

As the world eagerly looks toward the unfolding opportunities in space and commercial satellite technology, Cando Solar is paving the way for significant advancements in solar energy utilization. This new approach not only promises to revolutionize the future of satellite deployments but also positions space solar power as a critical player in meeting energy demands on a global scale. To learn more about this innovative solar solution, visit www.cando-solar.com.

Image Source: Cando Solar Press Release

In conclusion, Cando Solar's commitment to advancing solar technologies in space signifies an exciting new chapter for the commercial space industry and renews optimism for sustainable energy solutions across various sectors.

Topics Energy)

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