HydrogenEquipment

  Overview of PEM Hydrogen Production by Water Electrolysis II Electrolzer Stack components The components used in  PEM electrolysis  are critical for a stack with good performance and durability. Key components include bipolar plates, current collectors, and membrane electrode assemblies (MEAs). The bipolar plates have the task of evenly distributing water across the current  collectors (or diffusion media) inside the cell. The characteristics of bipolar plates are challenging for any class of materials due to the presence of oxygen, acidic environment, and high overvoltage. The design and material selection of bipolar plates in PEMWE are critical issues for scientists and engineers. The main functions of the bipolar plates in PEMWE are as follows: 1. Conduct electrons to complete the circuit and connect individual cells in series to form...

  Overview of  PEM Hydrogen Production   by Water Electrolysis I Hydrogen is a clean and flexible energy carrier that can be used to provide electricity and heat. Hydrogen-fueled vehicles and stationary power generation are zero-emission technologies. Hydrogen can be produced both from traditional fossil fuels and from carbon-free energy sources, both of which are used to store energy and provide responsive management for the grid. Currently only 4% of hydrogen is produced by electrolysis, mainly using low-cost preparation methods such as gas reforming of natural gas or refinery gas. However, in the future, renewable energy sources (RES) will account for a significant part of the produced electricity. Electrolysis is considered the cleanest way to produce hydrogen using renewable energy. An emerging application for electrolysers is in the “power to gas” sector. Hydrogen produced by electrolysers connected to RES is injected into the gas network. This approach allows using...

Hydrogen transportation and   hydrogen power generation   are the two major application areas of hydrogen fuel cells. In transportation, due to the high energy efficiency and zero emission characteristics of fuel cells, it is considered to be an ideal choice to replace traditional internal combustion engines, and fuel cell vehicles have entered commercial application. In terms of power supply, fuel cells can be used as part of a distributed energy system to provide power supply for buildings, communities or cities, achieving efficient use of energy and reducing dependence on traditional power grids. The large-scale consumption of hydrogen energy in terminal application scenarios such as transportation and power generation is the key to driving the development of China's entire hydrogen energy industry chain. The hydrogen energy industry chain is complex, generally, it includes three parts: hydrogen production, hydrogen storage and transportation, and hydrogen refueling and app...

  PEM Hydrogen Production  | Electrocatalysts for Membrane Electrodes MEA (membrane electrode assembly) is a key part for proton exchange membrane water electrolysis (PEMWE) [also a key core part for PEM fuel cells], which includes a proton exchange membrane, a catalyst layer (CL) and a gas diffusion layer (GDL). As the place where the electrode reaction occurs, the structure of CL and GDL has a great influence on the transfer of reactants and products (gas-liquid two-phase flow), resistance, the movement of protons and electrons, and other related processes of the electrode reaction.The catalyst layer is the part that supports the catalyst, and the cathode catalyst layer and the anode catalyst respectively constitute the hydrogen evolution electrode and the oxygen evolution electrode. The catalytic substance of the cathode catalyst layer is usually platinum, usually platinum nanoparticles supported on porous nanocarbon. The catalytic substance of the anode catalyst layer is ...

  Core equipment for electrolysis of water and hydrogen production Hydrogen production by electrolysis of water means passing direct current into an electrolytic tank filled with electrolyte. Water molecules undergo an electrochemical  reaction on the electrodes and can be decomposed into hydrogen and oxygen. The entire process can achieve zero emissions. In the entire manufacturing process, the core equipment carrier is the electrolyzer. Usually, the structure of an electrolytic cell is composed of three parts, namely the  electrolyzer body, the anode, and the cathode. When direct current passes through...

  What are the core equipment and main application scenarios of the hydrogen energy industry? Hydrogen energy has several core advantages: eco-friendliness, high efficiency, diverse storage and transportation methods, and a wide range of application scenarios. The hydrogen energy industry chain includes hydrogen production, hydrogen storage and transportation, and hydrogen refueling stations. The chemical industry is the main application scenario of hydrogen energy. 1.Hydrogen production: Electrolyzer is the core equipment for green hydrogen production. Green hydrogen is hydrogen energy produced by electrolyzing water from renewable energy sources such as photovoltaics and wind power. Green hydrogen basically does not produce greenhouse gases during the hydrogen production process. It is the most ideal form of hydrogen energy utilization. The main methods of hydrogen production include hydrogen production from fossil fuels, hydrogen...