Core Insights - China Automotive Engineering Research Institute Co., Ltd. has applied for a patent titled "Multiple Safety Redundancy Method and System for Power Battery Safety," with publication number CN121375487A and application date of October 2025 [1] - The patent focuses on safety management methods for power battery systems, utilizing a four-level redundancy mechanism to enhance dynamic safety [1] Group 1: Patent Details - The invention involves a method that employs a Federal Lyapunov-Graph Network Algorithm for local chaos feature extraction, regional fault propagation modeling, global privacy collaborative decision-making, and hardware rapid fuse [1] - The system consists of multiple battery modules, each including a local Battery Management System (BMS), regional controller, central safety gateway, and hardware fuse layer [1] - The invention aims to achieve early fault identification and improve the non-diffusion rate of battery packs in thermal runaway scenarios [1] Group 2: Company Background - China Automotive Engineering Research Institute Co., Ltd. was established in 2001 and is located in Chongqing, primarily engaged in professional technical services [1] - The company has a registered capital of 1,004.18 million RMB [1] - According to data analysis, the company has invested in 38 enterprises, participated in 5,000 bidding projects, and holds 350 trademark records and 2,090 patent records, along with 100 administrative licenses [1]