Thermal and corrosion behavior of Ti3C2/Copper composites

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. Ti 3 C 2 , 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 Ti 3 C 2 nanosheets as filler. The results exhibit corrosion resistance of the Ti 3 C 2 /Cu composites were improved compared to TiC/Cu composites, benefiting from outstanding electrical conductivity and easily oxidized property of Ti 3 C 2 . However, the thermal conductivity of Ti 3 C 2 /Cu composite with the content of 2 wt% Ti 3 C 2 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 Ti 3 C 2 /Cu composites increases about 100% with the content of 2 wt% Ti 3 C 2 at interfacial contact resistance measurement compared with pure Cu. Meanwhile, the anti-corrosion performance of the Ti 3 C 2 /Cu composites was improved over pure Cu. This work will broaden appliance field of Ti 3 C 2 and lay the foundation for the future research.