Solar photovoltaic power generation refers to the direct conversion of light energy into electrical energy without thermal process. It includes photovoltaic power generation, photochemical power generation, photovoltaic power generation and photovoltaic power generation. Photovoltaic power generation is a direct way of using solar energy semiconductor electronic devices to absorb solar radiation energy effectively and transform it into electrical energy. There are electrochemical photovoltaic cells, photovoltaic cells and photovoltaic cells in photochemical power generation.