Strong yet highly conductive liquid metal composite film constructed via friction induced in-situ synthesis (opens in new tab)

Contact resistance is a crucial bottleneck for various applications. Liquid metal and its composites can reduce contact resistance of interfaces due to their high conductivity and deformability, yet their mechanical strength is insufficient under external forces. Here, we prepare a deformable liquid-metal-bridged nanogranular composite via friction induced in-situ synthesis, realizing low contact resistance alongside high current density of 1.5 GA/m2 and high hardness of 2.6 GPa. This remarka...