行业深度（）：钙钛矿电池渗透率提升及太空光伏发展将推动盐市场进入结构性扩张新周期

Investment Rating - The report maintains a positive outlook on the industry, specifically highlighting the potential of the perovskite solar cell market and its impact on the rubidium and cesium market [2]. Core Insights - The perovskite solar cells (PSCs) are emerging as a new type of thin-film solar cell with advantages such as low cost, high efficiency, lightweight, flexibility, and effective performance in low light conditions [4][31]. - The stability of perovskite cells is a key challenge for their industrialization, with rubidium and cesium salts potentially playing a crucial role in enhancing their performance and stability [5][33]. - The penetration rate of perovskite solar cells in the photovoltaic market is expected to increase significantly, with projections indicating a rise from 1.3% in 2025 to 30% by 2030 [6][48]. Summary by Sections 1. Perovskite Cell Advantages - Perovskite solar cells offer significant cost advantages over traditional silicon cells, with lower production energy requirements and investment costs [31]. - The theoretical efficiency of perovskite cells is higher than that of silicon cells, with potential efficiencies exceeding 40% for tandem cells [32]. 2. Market Penetration and Applications - The perovskite solar cell market is expected to see rapid growth, with applications in traditional photovoltaic settings as well as emerging fields such as building-integrated photovoltaics (BIPV), wearable devices, and space photovoltaics [36][40]. - The flexibility and lightweight nature of perovskite cells make them suitable for various applications, including automotive and portable electronics [41]. 3. Space Photovoltaics Development - The development of space photovoltaics is anticipated to significantly boost the demand for perovskite cells, with projections indicating a substantial increase in rubidium demand due to the growth of space solar power initiatives [11][13]. - SpaceX's plans for satellite launches and the establishment of a space computing center are expected to drive the demand for perovskite solar cells in the space sector [12][56]. 4. Rubidium and Cesium Market Expansion - The demand for rubidium and cesium salts is projected to grow at a compound annual growth rate (CAGR) of 94% from 2026 to 2030, driven by the expansion of the perovskite solar cell industry [14][48]. - The report identifies key companies in the rubidium and cesium supply chain, such as Jinyinhai and Zhongkuang Resources, which are positioned to benefit from this growth [15].