砷化镓(GaAs)多结电池
Search documents
光伏设备行业点评:商业航天星辰大海,太空光伏设备迎增长机遇
Shenwan Hongyuan Securities· 2026-01-19 13:42
Investment Rating - The report rates the commercial aerospace and photovoltaic equipment industry as "Overweight" [4]. Core Insights - The commercial aerospace sector is entering a new phase characterized by large-scale deployment and capability upgrades, leading to increased demand for space photovoltaic systems. The application for over 200,000 satellites in China marks a transition from "thousands" to "tens of thousands" and even "millions" of satellites, indicating a super cycle in satellite manufacturing and launching over the next decade, which will drive long-term, large-scale demand for satellite energy systems, specifically space photovoltaics [4]. - The extreme conditions in space (high radiation, large temperature differences, vacuum) necessitate stringent requirements, leading to continuous iterations in space photovoltaic technology. The current mature solution is gallium arsenide (GaAs) multi-junction cells, which have high conversion efficiency (generally exceeding 30%) and good radiation resistance, but are extremely expensive and have limited production capacity. The short to medium-term scalable path is the HJT (Heterojunction) battery, which is more cost-effective for mass production despite lower absolute efficiency and radiation resistance compared to GaAs. Long-term potential directions include perovskite and tandem batteries, which have high theoretical efficiency limits and lightweight properties, but face challenges in long-term stability [4]. - Key equipment suppliers to focus on include Maiwei Co., Ltd. (HJT production line equipment), High Measurement Co., Ltd. (integrated slicing and processing services), Aotwei (module string welding equipment), and others. Battery module manufacturers include Yunda Co., Ltd. (collaborating on perovskite technology applications) and Trina Solar [4]. Summary by Sections Industry Overview - The commercial aerospace market in China is expected to expand significantly due to the submission of over 200,000 satellite constellation applications, which will stimulate demand across multiple segments including satellite manufacturing and rocket launching [2]. Technology Development - The report highlights the transition from traditional satellite power supply units to essential energy infrastructure for future space economies, driven by advancements in space computing and AI data centers powered by space photovoltaics [4]. Key Companies and Valuations - The report provides a valuation table for key companies in the industry, including Maiwei Co., Ltd. with a market cap of 66.5 billion and projected net profits for 2026 of 970 million, and others like Aotwei and High Measurement with varying financial forecasts [5].