东方日升携手上海港湾，共拓太空经济黄金时代

Core Viewpoint - The strategic partnership between Dongfang Risen and Shanghai Portwan focuses on the development and application of "perovskite + p-type heterojunction battery stacking technology" in the space energy sector, aiming to respond to national aerospace strategies and seize opportunities in the rapidly growing global commercial space market [1][3]. Group 1: Industry Overview - The global commercial space industry is experiencing explosive growth, with a significant increase in satellite power demands, transitioning from hundreds of watts to tens or even hundreds of kilowatts, and total power for satellite constellations approaching gigawatt levels [3]. - The demand for high-performance, lightweight solar energy systems in space is driven by the need for cost-effective and reliable solutions, as traditional gallium arsenide batteries face challenges such as high costs and production difficulties [3]. Group 2: Company Strengths - Dongfang Risen has established itself as a leader in the renewable energy sector, with significant advancements in p-type heterojunction battery technology, including the development of a 50μm ultra-thin p-type HJT battery that offers lightweight and strong radiation resistance [4]. - Shanghai Portwan's subsidiaries are specialized in different aspects of space energy systems, with Jiangyin Jinghao leading in perovskite photovoltaic flexible components and Fuxi Xinkong focusing on lightweight, low-cost, and high-efficiency space energy systems [5]. Group 3: Collaboration Goals - The partnership aims to tackle core challenges in the development of perovskite and p-type heterojunction space-grade stacking technology, with a focus on enhancing the efficiency and adaptability of solar cells in extreme space conditions, ensuring stable operation for over 7 years [5]. - The collaboration will leverage the complementary strengths of both companies to advance the industrialization and commercialization of stacking technology, expanding diverse applications in space energy and building a mutually beneficial aerospace energy ecosystem [5]. - Both companies are committed to responding to national aerospace strategies and seizing strategic opportunities in the global commercial space development market [5].