The mission of the pantograph is to maintain contact with the overhead contact line to supply power to high-speed trains. It presses against the contact line with a certain pressure to ensure the stability and continuity of power transmission. The contact surface of the pantograph is made of graphit

With the increasing global demand for renewable energy, battery technology, as a core component of it, has also received widespread attention. Among various battery technologies, graphite bipolar plates have become the focus of research due to their outstanding performance and broad application pros