Group 1 - The core point of the article is that Contemporary Amperex Technology Co., Ltd. (CATL) has applied for a patent related to a separator membrane, battery, and power device, which aims to enhance battery cycle life [1] - The patent application, published as CN120413988A, was filed on January 2024 and falls under the battery technology sector [1] - The separator membrane includes a substrate layer that consists of a first porous insulating layer and a structure of alkali metal ion exchange resin within the first porous insulating layer, which can effectively improve the battery's cycle life [1] Group 2 - CATL was established in 2011 and is located in Ningde City, primarily engaged in the manufacturing of electrical machinery and equipment [1] - The company has a registered capital of approximately 440.34 million RMB [1] - According to data from Tianyancha, CATL has invested in 137 companies, participated in 504 bidding projects, and holds 658 trademark records along with 5,000 patent records, in addition to having 985 administrative licenses [1]