制备了一种石墨烯嵌层碳膜作为摩擦纳米发电机的电极，实现了对于液体流速的实时监测。

Lei Yang*, Jian Yu, Yanjie Guo, Sicheng Chen, Kunpeng Tan, Sheng Li, An electrode-grounded droplet-based electricity generator (EG-DEG) for liquid motion monitoring, Advanced Functional Materials, 2023, DOI: 10.1002/adfm.202302147.