CGformer
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新材料研发提速,上交大团队开发新AI材料设计模型CGformer,融合全局注意力机制
3 6 Ke· 2025-09-29 07:26
Core Insights - The article discusses the development of a new AI material design model called CGformer by professors Li Jinjing and Huang Fuqiang from Shanghai Jiao Tong University, which successfully overcomes the limitations of traditional crystal graph neural networks [1][2] - The integration of high-throughput computing and machine learning is transforming material science research, accelerating the discovery and optimization of new materials [1][2] - CGformer addresses the challenges in developing high-entropy materials, which have complex microstructures and require advanced predictive capabilities [2][4] Group 1: Model Development and Innovation - CGformer combines the global attention mechanism of Graphormer with the crystal graph representation of CGCNN, allowing it to capture long-range atomic interactions and global information [2][6] - The model provides comprehensive structural information, aiding in the accurate prediction of ionic migration behaviors, particularly for high-entropy and complex crystal materials [3][4] - The architecture of CGformer enhances the model's ability to represent complex crystal structures and improves prediction accuracy compared to traditional models [6][9] Group 2: Performance and Validation - In research on high-entropy sodium solid electrolytes (HE-NSEs), CGformer achieved a 25% reduction in mean absolute error compared to CGCNN, demonstrating its practical utility [4][10] - The model successfully filtered 18 out of 148,995 potential high-entropy structures, synthesizing and validating 6 HE-NSEs with a room temperature sodium ion conductivity of up to 0.256 mS/cm [4][13] - CGformer exhibited superior stability and prediction accuracy during pre-training and fine-tuning phases, with a final mean absolute error of 0.0361 after fine-tuning [10][12] Group 3: Application and Future Potential - The research highlights the significant potential of AI in material science, particularly in the development of high-entropy materials, which are crucial for applications in energy storage and aerospace [1][16] - The integration of AI technologies in material research is becoming a mainstream approach, showcasing the strong development potential and application value of interdisciplinary research [16][19] - CGformer represents a significant advancement in the field, addressing key challenges in high-entropy material development and paving the way for future innovations [16][17]