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Sunrise Granted Patent for Silicon-Carbon Composite Anode Material, Securing Key Technology for Solid-State Batteries
DOVER, USA, Oct. 02, 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 been granted an invention patent titled “Preparation Method of a Fast-Ion-Conductor–Coated Silicon-Carbon Anode Composite Material” (Patent No. ZL 2022 1 0396110.9; grant publication No. CN11482237B). Silicon-carbon anode materials are considered the most promising solution to
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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, Oct. 02, 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 been granted an invention patent titled “Preparation Method of a Fast-Ion-Conductor–Coated Silicon-Carbon Anode Composite Material” (Patent No. ZL 2022 1 0396110.9; grant publication No. CN11482237B).","length":429,"tagName":"p"},{"type":"text","content":"Silicon-carbon anode materials are considered the most promising solution to increase the energy density of lithium-ion batteries, owing to the combination of high capacity and excellent first-cycle efficiency. They are also regarded as the leading candidates for large-scale application in solid-state batteries, which are widely seen as the next-generation energy storage technology due to the advantages of higher safety, greater energy density, and longer cycle life compared with conventional lithium-ion batteries.","length":520,"tagName":"p"},{"type":"text","content":"However, existing CVD-based silicon-carbon composites face key limitations: the rigid porous carbon framework and the soft secondary carbon coatings cannot withstand the high-pressure assembly required for solid-state cells. While such coatings provide strong electrical conductivity, ionic conductivity remains poor, which restricts large-scale utilization in solid-state applications.","length":386,"tagName":"p"},{"type":"text","content":"The newly granted patent from Sunrise addresses this bottleneck. By introducing a fast-ion conductor coating, the process significantly improves the ionic transport characteristics of silicon-carbon composites while simultaneously enhancing compressive strength. This innovation secures a critical enabling technology for ...