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 ...