四川长虹：旗下长虹电源自主研发电池组成功护航国产首款重载eVTOL首飞

Core Insights - Sichuan Changhong's subsidiary, Changhong Power, successfully developed an 800V high-voltage battery pack that powered China's first heavy-duty electric vertical takeoff and landing aircraft (eVTOL), AR-E800, during its maiden flight, achieving stable operation with "zero anomalies" [1] Group 1: Technological Advancements - The 800V high-voltage battery pack overcame significant technical challenges, including high voltage insulation, thermal management, and lightweight design [1] - Changhong Power developed a lithium-ion emergency power system for civil aircraft, addressing the critical issue of thermal runaway safety and passing stringent RTCA/DO-311A standard verification, which facilitates airworthiness certification for eVTOL manufacturers [2] Group 2: Industry Positioning - Sichuan Changhong is establishing a comprehensive low-altitude economy ecosystem, integrating core components, digital infrastructure, and safety control systems, with key breakthroughs achieved by its subsidiaries [1][2] - The company has created a closed-loop capability covering "product + solution + service," addressing three core areas: eVTOL batteries ("造天车"), integrated sensing platforms ("修天路"), and low-altitude security ("建天网") [2] Group 3: Market Potential - Although Sichuan Changhong's low-altitude business is still in the exploratory phase and has not yet generated significant revenue, its systematic technological reserves and ecological positioning provide a competitive advantage in the emerging market [2] - The company's transition from a traditional home appliance manufacturer to a high-tech industrial group is reflected in its low-altitude economy strategy, which is expected to become a new growth driver in the coming years [3]