Solar cells are not primary batteries. Solar cells are devices that convert light energy into electrical energy by photoelectric effect or photochemical effect, while primary cells are devices that convert chemical energy into electrical energy.
Solar cell is a kind of optoelectronic semiconductor sheet that uses sunlight to directly generate electricity. It is also called a “solar chip” or “photovoltaic cell” as long as it is illuminated by lighting meeting a certain illumination level. conditions, it can produce voltage instantly and generate current in the presence of a loop.
Sunlight shines on the p-n junction of the semiconductor, forming new hole-electron pairs. Under the action of the integrated electric field of the p-n junction, the photo-generated holes move towards the p region. , and the electronss photo-generated flows towards region n, thus completing the circuit. Current is then generated. This is how photovoltaic solar cells work.
Solar batteries have a lifespan of around ten years and are easy to replace.
Solar cells, also known as "solar chips" or "photovoltaic cells", are optoelectronic semiconductor sheets that use sunlight to directly generate electricity. As long as it is illuminated by light, it can instantly produce voltage and generate current if there is a loop. In physics, it is called solar photovoltaic (Photovoltaic, photo light, voltaic volt, abbreviated PV), or photovoltaic for short.
Solar cells are devices that directly convert light energy into electrical energy by the photoelectric effect or photochemical effect. Layer solar cellss thin ones that work with the photoelectric effect are the most widespread, while solar cells that work with the photochemical effect are still in their infancy.