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Sunrise New Energy Announces Hard Carbon Composite Material Patent for Solid-State and Low-Temperature Energy Storage Batteries
DOVER, USA, Dec. 10, 2025 (GLOBE NEWSWIRE) -- Sunrise New Energy Co., Ltd. (“Sunrise”, the “Company”, “we” or “our”) (NASDAQ: EPOW) today announced that its subsidiary, Sunrise (Guizhou) New Energy Materials Co., Ltd., has published a patent titled “Spherical Hard Carbon Composite Material and Its Preparation Method”, with the patent number CN2025106204848. The invention targets hard carbon composite anode materials used in low-temperature energy storage batteries, particularly sodium-ion batter
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[{"type":"image","alt":"Sunrise New Energy Co., Ltd","displaySize":"","headline":null,"caption":"Sunrise New Energy Co., Ltd","className":"","disableSlideshowImg":false,"size":{"original":{"width":300,"height":124,"url":"https://media.zenfs.com/en/globenewswire.com/dda229a8dfea7874de4289450bbee0bb"},"resized":{"url":"https://s.yimg.com/ny/api/res/1.2/Mqwg4.KHIPTX77idS5jIEw--/YXBwaWQ9aGlnaGxhbmRlcjt3PTQyMDtoPTE3NDtjZj13ZWJw/https://media.zenfs.com/en/globenewswire.com/dda229a8dfea7874de4289450bbee0bb","width":300,"height":124}},"lazy":false},{"type":"text","content":"DOVER, USA, Dec. 10, 2025 (GLOBE NEWSWIRE) -- Sunrise New Energy Co., Ltd. (“Sunrise”, the “Company”, “we” or “our”) (NASDAQ: EPOW) today announced that its subsidiary, Sunrise (Guizhou) New Energy Materials Co., Ltd., has published a patent titled “Spherical Hard Carbon Composite Material and Its Preparation Method”, with the patent number CN2025106204848. The invention targets hard carbon composite anode materials used in low-temperature energy storage batteries, particularly sodium-ion batteries, and is expected to provide more efficient and reliable material solutions for large-scale energy storage systems as well as commuter and remote-area power infrastructure.","length":680,"tagName":"p"},{"type":"text","content":"The technology addresses common challenges of traditional hard carbon anode materials—such as reduced efficiency, limited cycle life, and capacity degradation under low-temperature and high-rate charge/discharge conditions—by designing a spherical hard carbon composite structure, optimizing the carbon framework and conductive/ionic pathways, and improving surface and interfacial treatments. These innovations aim to enhance low-temperature conductivity, ion diffusion efficiency, and structural stability, enabling superior capacity retention, high-rate performance, and cycling durability in sodium-ion and broader energy storage battery applications.","length":655,"tagName":"p"},{"type":"text","content":"“This technology will further enhance our portfolio of advanced energy storage materials and strengthen the Company’s competitiveness in the global energy storage market, while also expanding into low-temperature sodium-ion storage solutions,” said Haiping Hu, Founder and CEO of Sunrise. “We will continue to advance engineering validation, performance testing, and industrial...