Jin Rong Jie·2025-12-05 01:32Group 1 - NIO Automotive Technology (Anhui) Co., Ltd. has applied for a patent titled "Negative Electrode Sheet and Its Preparation Method, Secondary Battery and Device," with publication number CN 121054634 A, and the application date is May 2024 [1] - The patent abstract indicates that the negative electrode sheet includes a current collector and a dry electrode film on its surface, characterized by the dry electrode film containing active materials and fibrous binders, with graphite as the active material. The binder content ranges from 0.2wt% to 2wt% based on the total weight of the dry electrode film [1] - The negative electrode sheet demonstrates higher rate performance and fast charging capabilities, along with improved impedance and cycling performance, as indicated by the initial discharge dQ/dV~V differential capacity curve showing an inflection point in the range of 1.25V to 1.6V when assembled with lithium metal into a half-cell and tested at 0.1C current [1] Group 2 - NIO Automotive Technology (Anhui) Co., Ltd. was established in 2020 and is located in Hefei City, primarily engaged in technology promotion and application services [1] - The company has a registered capital of 2,600 million RMB and has invested in 5 enterprises, participated in 29 bidding projects, and holds 2,343 trademark records and 3,265 patent records, along with 26 administrative licenses [1]