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665 results on '"Zhou, Pengfei"'

1. Deep learning-driven evaluation and prediction of ion-doped NASICON materials for enhanced solid-state battery performance

Author

Zhao, Zirui, Wang, Xiaoke, Wu, Si, Zhou, Pengfei, Zhao, Qian, Xu, Guanping, Sun, Kaitong, and Li, Hai-Feng

Subjects
Condensed Matter - Materials Science, J.2, I.2.8
Abstract

We developed a convolutional neural network (CNN) model capable of predicting the performance of various ion-doped NASICON compounds by leveraging extensive datasets from prior experimental investigation.The model demonstrated high accuracy and efficiency in predicting ionic conductivity and electrochemical properties. Key findings include the successful synthesis and validation of three NASICON materials predicted by the model, with experimental results closely matching the model predictions. This research not only enhances the understanding of ion-doping effects in NASICON materials but also establishes a robust framework for material design and practical applications. It bridges the gap between theoretical predictions and experimental validations.

Published
2024
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22. Application research in metamaterials for military stealth

Author

ZHOU Pengfei, ZHU Hongli, LI Mingjun, ZHANG Chengjun, WANG Xingyi, and PAN Shibing

Subjects
metamaterial, radar stealth, infrared stealth, compatible stealth, laser stealth, Materials of engineering and construction. Mechanics of materials, TA401-492
Abstract

With the development of detection methods, the intelligent and high-precision military stealth detection technology has put forward higher requirements for the performance of stealth materials, the traditional materials are limited by their own performance, and it is difficult to achieve stealth requirements such as lightweight, broadband, and strong absorption. However, the metamaterials have great potential for development in the field of stealth due to their ability to design, adjust structures, and achieve related performance according to human will. Therefore, the research on metamaterials in the field of military stealth has received great attention.The development, special properties and applications of metamaterials were reviewed in this paper, focusing on the research and development of radar stealth metamaterials, infrared stealth metamaterials, radar/infrared compatible stealth metamaterials, and laser/infrared compatible stealth metamaterials. Finally, it was pointed out that the research of metamaterials in the field of military stealth mostly stays in the experimental stage, and it is difficult to adapt to the complex and changeable practical environment for practical application, the research of metamaterials should be focused on low-cost preparation and application, broadband multi-band compatibility, as well as high temperature resistance, high corrosion resistance and high outdoor stability.

Published
2024
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