| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Research Progress and Development Trends of High-rate Expandable Graphite |
| YANG Hui1,2, DU Xianfeng1,*, LIANG Zhongshuai1, LI Jiaxin2
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1 Engineering Research Center of Energy Storage Materials and Devices,Ministry of Education, School of Chemistry, Xi’an Jiaotong University, Xi’an 710049, China;
2 Xianyang Non Metallic Mineral Research and Design Institute Co., Ltd., Xianyang 712021, Shaanxi, China |
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Abstract As a novel functional material, high magnification expandable graphite (HMEG) has demonstrated significant potential in electrode materials, flame-retardant composites, and other advanced applications owing to its exceptional properties including superior electrical conductivity, remarkable thermal conductivity, excellent high-temperature stability, and outstanding oxidation resistance. Despite numerous existing literature reviews addressing the preparation methodologies and application studies of expandable graphite in recent years, there remains a notable research gap in systematic discussions grounded in graphite resource characteristics and preparation techniques. Particularly, specialized investigations focusing on HMEG preparation technologies and comprehensive application analyses are still insufficient. This study systematically examines the critical influence of graphite resource characteristics on expandable graphite preparation, provides a thorough review of current research advancements, and specifically investigates the state-of-the-art preparation technologies for HMEG along with their application domains. Furthermore, it prospectively outlines future development trends of this material, thereby offering valuable theoretical guidance and technical references for subsequent research in relevant fields.
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Published: 25 July 2026
Online: 2026-08-12
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