东兴证券：钙钛矿电池渗透率提升叠加太空光伏发展 将推动铷盐市场步入结构扩张新周期

Core Insights - The report from Dongxing Securities highlights the rapid increase in the penetration rate of perovskite solar cells in China and the potential surge in demand for rubidium salt in the space photovoltaic sector due to this growth [1][2][3] Group 1: Perovskite Solar Cells Market - Perovskite solar cells (PSCs) are a new type of thin-film solar cell that utilizes perovskite materials as the light-absorbing layer, offering advantages such as low cost, high efficiency, lightweight, flexibility, and effective performance in low-light conditions [1][2] - The penetration rate of perovskite solar cells in the photovoltaic market is expected to rise from approximately 1.3% in 2025 to 30% by 2030, driven by their low cost and high efficiency compared to traditional silicon cells [3][7] - The global production capacity of perovskite solar cells is projected to increase significantly, from 4 GW in 2025 to 161 GW by 2030, with a compound annual growth rate (CAGR) of 109% [7] Group 2: Rubidium Salt Demand - The demand for rubidium salt in the ground photovoltaic application is forecasted to grow from 37 tons in 2025 to 1,696 tons by 2030, with a CAGR of 115% [7][10] - Rubidium and cesium salts are critical for enhancing the stability and efficiency of perovskite solar cells, addressing the current limitations in their commercial viability [2][12] - The integration of rubidium and cesium salts in perovskite solar cells is expected to significantly optimize the growth potential of related companies in the supply chain [12] Group 3: Flexible Perovskite Solar Cells - Flexible perovskite solar cells are anticipated to find applications in various fields, including building-integrated photovoltaics (BIPV), wearable devices, and automotive power generation, due to their lightweight and flexible characteristics [4][6] - The efficiency of flexible perovskite solar cells is projected to exceed 25% by 2025, outperforming other mainstream flexible solar technologies [4][6] Group 4: Space Photovoltaics - Perovskite solar cells are considered the primary development direction for space photovoltaics due to their superior efficiency, lightweight, and cost-effectiveness [8][10] - The demand for rubidium salt in the space photovoltaic sector is expected to increase significantly, driven by ambitious plans for satellite launches and space-based power generation [10][11]