Abstract In virtue of its excellent performance and abundant surface terminations, MXenes, a newly emerged 2D materials, greatly exhibit promising applications in many fields of energy storage and electromagnetic shielding. Ti3C2, a member of MXenes, is widely investigated in recent years. However, lack for attention in thermal property and corrosion behavior. Here, Copper matrix composites were prepared by Spark Plasma Sintering, in which TiC and few-layer Ti3C2 nanosheets as filler. The results exhibit corrosion resistance of the Ti3C2/Cu composites were improved compared to TiC/Cu composites, benefiting from outstanding electrical conductivity and easily oxidized property of Ti3C2. However, the thermal conductivity of Ti3C2/Cu composite with the content of 2 wt% Ti3C2 improves about 15% compared to TiC/Cu composites with same content, resulting from the low inherent thermal conductivity of filler and lattice mismatch between copper and filler. Moreover, the electrical resistance of Ti3C2/Cu composites increases about 100% with the content of 2 wt% Ti3C2 at interfacial contact resistance measurement compared with pure Cu. Meanwhile, the anti-corrosion performance of the Ti3C2/Cu composites was improved over pure Cu. This work will broaden appliance field of Ti3C2 and lay the foundation for the future research.

中文翻译：

---

Ti3C2/铜复合材料的热腐蚀行为

摘要 MXenes 作为一种新兴的二维材料，凭借其优异的性能和丰富的表面端接，在储能和电磁屏蔽等诸多领域有着广阔的应用前景。Ti3C2 是 MXenes 的一员，近年来被广泛研究。然而，在热性能和腐蚀行为方面缺乏关注。在这里，铜基复合材料是通过火花等离子体烧结制备的，其中 TiC 和少层 Ti3C2 纳米片作为填料。结果表明，Ti3C2/Cu 复合材料的耐腐蚀性能比 TiC/Cu 复合材料有所提高，这得益于 Ti3C2 优异的导电性和易氧化性。然而，与相同含量的 TiC/Cu 复合材料相比，含有 2 wt% Ti3C2 的 Ti3C2/Cu 复合材料的热导率提高了约 15%，由于填料的固有热导率低以及铜和填料之间的晶格不匹配。此外，与纯铜相比，在界面接触电阻测量中，Ti3C2/Cu 复合材料的电阻随着 Ti3C2 含量的增加约 100%。同时，Ti3C2/Cu 复合材料的防腐性能比纯 Cu 有所提高。这项工作将拓宽 Ti3C2 的应用领域，为未来的研究奠定基础。Ti3C2/Cu 复合材料的防腐性能比纯 Cu 有所提高。这项工作将拓宽 Ti3C2 的应用领域，为未来的研究奠定基础。Ti3C2/Cu 复合材料的防腐性能比纯 Cu 有所提高。这项工作将拓宽 Ti3C2 的应用领域，为未来的研究奠定基础。