Group 1 - The core viewpoint of the news is that Weihai Honglin Electric Technology Co., Ltd. has applied for a patent for a high-power density aluminum conductor busbar designed for electric vehicles, addressing several performance issues of existing aluminum conductors [1] - The patent application, published as CN121528653A, was filed on October 2025, and the invention proposes a multi-layer composite structure to improve mechanical performance, electromagnetic shielding, and heat dissipation [1] - The conductor layer utilizes micro-alloyed aluminum with a compression ratio of 30%-40%, achieving a tensile strength of 180-220 MPa and a high-frequency resistance ratio of Rac/Rdc ≤ 1.15 at 10 kHz [1] Group 2 - The shielding layer is made of corrugated aluminum tubes, providing a shielding effectiveness of ≥ 82 dB at 1 MHz, while embedded micro-channels enhance heat dissipation efficiency by ≥ 35% [1] - The busbar's weight is reduced by 60% compared to copper, with a power density of 8.7 kW/kg and a bending radius reduced to 5D, resulting in a 42% reduction in lifecycle costs [1] - The manufacturing method involves a three-stage rolling, double-layer co-extrusion, and hydraulic forming process, meeting the lightweight and high-reliability requirements for 800V and above fast-charging platforms [1] Group 3 - Weihai Honglin Electric Technology Co., Ltd. was established in 1997 and is primarily engaged in the manufacturing of computers, communications, and other electronic devices [2] - The company has a registered capital of 389.101809 million RMB and has invested in 12 enterprises, participated in 285 bidding projects, and holds 331 patents [2] - Additionally, the company has 22 trademark registrations and 26 administrative licenses, indicating a robust presence in the industry [2]
泓淋电力申请高功率密度电动汽车用压缩铝导体波纹屏蔽母线及制法专利，功率密度达8.7kW/kg