Group 1 - The core point of the article is that NIO Battery Technology (Anhui) Co., Ltd. has obtained a patent for a battery anode and an electrochemical device that includes this anode, with the patent granted under announcement number CN115663109B and the application date being November 2022 [1] - NIO Battery Technology (Anhui) Co., Ltd. was established in 2022 and is located in Hefei City, primarily engaged in the manufacturing of electrical machinery and equipment [1] - The company has a registered capital of 2 billion RMB and has participated in one bidding project, holds 775 patent pieces of information, and possesses one administrative license according to data analysis from Tianyancha [1]