锰基技术路线
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星恒电源 首席技术官 王正伟:迈向新“锰”标:新一代锰基电池材料前驱体创新与应用
起点锂电· 2025-12-18 11:24
Core Viewpoint - The article discusses advancements in manganese-based battery materials, particularly focusing on the innovations and applications of manganese-based precursors in small power lithium batteries, emphasizing their cost-effectiveness and performance improvements [3][4][6]. Group 1: Manganese-Based Battery Materials - The small power market is cost-sensitive, and the focus is on continuous cost reduction while improving performance through technological advancements [7]. - Manganese-based lithium batteries are preferred for small power applications due to their excellent low-temperature performance, high volumetric energy density, and precise state of charge (SOC) calibration capabilities [7][8]. - The challenges of manganese oxide lithium batteries, such as high-temperature cycling and storage issues, are being addressed through innovative composite systems and high-temperature solid-phase precursor technologies [8][9]. Group 2: Precursor Development and Innovations - Two typical precursors for manganese oxide lithium are electrolytic manganese dioxide and manganese trioxide, each with its own limitations affecting cost and performance [10]. - The company has developed a unique single-crystal manganese oxide synthesis route that significantly reduces production costs and improves performance metrics [11][12]. - The latest generation of materials, including single-crystal manganese oxide, has shown improved discharge capacity and cycle performance, achieving discharge capacities of 115-120 mAh/g [11][12]. Group 3: Safety and Market Compliance - The solid-phase single-crystal precursor technology enhances the intrinsic safety of materials, addressing increasing safety standards in the market [13]. - The company has filed numerous patents related to manganese-based materials, indicating a strong focus on innovation and market readiness [17]. - Future plans include expanding the product matrix to cover a range of cathode materials, including manganese oxide and phosphate-based materials, to meet diverse market needs [17].