Under the dual pressure of increasing energy demand and achieving dual carbon goals,developing clean energy is extremely urgent.Hydrogen energy stands out from all kinds of energy carriers with its unique advantages.In the future,hydrogen cycle is expected to facilitate carbon cycle to achieve dual carbon goals.This paper is focused on the hydrogen production in the hydrogen cycle.Two methods of hydrogen generation via photovoltaic electrocatalysis and photocatalysis are introduced in detail.In addition,popular science programs for different groups of people are designed,which will make them l...
