Sunrise New Energy Announces Breakthrough Achievement in Sodium-ion Battery

Source: www.gulfoilandgas.com 12/26/2023, Location: Asia

Sunrise New Energy Co., Ltd. (“Sunrise”) (EPOW), announced that its subsidiary, Sunrise (Guizhou) New Energy Materials Co., Ltd., has received preliminary approval from the National Intellectual Property Office for its invention patent titled "Fiber-Structured Titanium-Doped Amorphous Carbon Coated Silver Hard Carbon Composite Material and the Preparation Method." The official document number is 2023121501155630. This invention pertains to the field of sodium-ion battery material preparation and introduces a fiber-structured titanium-doped amorphous carbon coated silver hard carbon composite material and its preparation method.

Hard carbon, as the main material for the anode of sodium-ion batteries, has become the preferred material due to its wide availability, low cost, and simple preparation process. However, it has limitations such as low specific capacity, low initial efficiency, and deviation in power performance. This invention overcomes the aforementioned drawbacks. The hard carbon composite material of this invention exhibits a core-shell structure, with the inner core composed of silver-doped hard carbon material and the outer shell composed of titanium-doped amorphous carbon. This design enhances the initial efficiency, cycling performance, and rate capability of the anode materials.

"Sunrise is a research-driven high-tech enterprise with cutting-edge technology in the field of anode materials worldwide, placing us in a leading position within the industry. We have filed domestic and international patents related to new graphite, silicon-carbon, and hard carbon technologies. Due to our technological leadership, we have been able to secure top-tier domestic and international clients such as CATL, BYD, Narada Power, and Hithium Energy, specializing in electric vehicle and energy storage batteries. Furthermore, we have contributed significantly as a principal drafting entity to the national battery industry standard policy, 'Technical Specifications for the Production Process of Artificial Graphite Anode Materials'," commented Mr. Haiping Hu, the Chairman of the Company. "We will continue to dedicate ourselves to the technical research, and manufacturing of lithium-ion and sodium-ion battery anode materials, providing our customers with more comprehensive solutions."


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