Photovoltaic Hydrogen Production Technology Route
Photovoltaic Hydrogen Production Technology Route – Cheersonic
Photovoltaic power generation hydrogen production mainly uses the direct current generated by the photovoltaic power generation system to directly supply the hydrogen production power of the hydrogen production station. Compared with the traditional power station, the photovoltaic DC power generation system reduces the process of inversion and boosting. The main equipment and facilities include photovoltaic modules, combiner boxes, brackets, foundations, grounding devices, etc. The photovoltaic modules can be connected in series according to the input voltage and current requirements of the hydrogen production station. , parallel configuration, thereby improving system efficiency. At present, the technology of hydrogen production by electrolysis of water is mature, the equipment is simple, the operation and management are relatively convenient, and the hydrogen production has high purity and no pollution.
There are mainly three technical routes：
Alkaline electrolyzer for hydrogen production. This kind of electrolyzer has a simple structure and is suitable for large-scale hydrogen production. The price is relatively cheap, and the efficiency is about 70%~80% lower. The main equipment includes power supply, cathode and anode, diaphragm, electrolyte and electrolyzer box. The liquid is usually sodium hydroxide solution, and the electrolytic cell mainly includes unipolar and bipolar.
Proton exchange membrane electrolyzer for hydrogen production. The efficiency is higher than that of alkaline electrolyzers, mainly using ion exchange technology. The electrolytic cell is mainly composed of polymer film and yin and yang electrodes. Due to the high proton conductivity, the working current of the electrolytic cell can be greatly improved, thereby improving the electrolysis efficiency. With the advancement of proton exchange membrane and electrode precious metal technology, the cost of hydrogen production in PEM electrolyzers will be greatly reduced.
Hydrogen production from solid oxide electrolyzers. It can work at high temperature, and part of the electrical energy can be replaced by thermal energy, with high efficiency and low cost. The solid oxide electrolytic cell is the most efficient equipment among the three electrolytic cells. The waste heat after the reaction can be combined with the steam turbine and refrigeration system. Efficiency can reach 90%.
The technical route of electrolysis of water for hydrogen production is mature, and the key factor that has not been promoted on a large scale is electricity price.
Cheersonic is the leading developer and manufacturer of ultrasonic coating systems for applying precise, thin film coatings to protect, strengthen or smooth surfaces on parts and components for the microelectronics/electronics, alternative energy, medical and industrial markets, including specialized glass applications in construction and automotive.
