Hydrogen transportation is an important part of hydrogen energy utilization. Generally speaking, there will be a certain distance between hydrogen production plants and users, which requires hydrogen transportation. Based on the different state of hydrogen during transportation, it can be divided into gas hydrogen transportation, liquid hydrogen transportation and solid hydrogen transportation. The first two
At present, there are four main paths for global hydrogen storage: High-pressure gaseous hydrogen storage technology, low-temperature liquid hydrogen storage technology, solid-state hydrogen storage technology and organic liquid hydrogen storage technology The mainstream of development in China’s hydrogen storage industry is high-pressure gaseous hydrogen storage, and most hydrogen refueling stations use high-pressure hydrogen storage. Technology
Membrane electrode assembly, also known as membrane electrode, is the key core component of fuel cell power generation, which is composed of gas diffusion layer, catalyst layer and proton exchange membrane. Hydrogen reaches the anode through the gas flow field on the anode plate, reaches the anode catalyst layer through the diffusion layer on the
Fuel cell is a kind of power generation device, but it is not like a normal non-rechargeable battery and discarded when used up, nor is it like a rechargeable battery. To maintain its electricity, the fuel required is “hydrogen”, and this is why it is classified as a new energy source. The battery contains two
In the proton exchange membrane fuel cell, the main function of the gas diffusion layer is to support the catalyst, and to provide a channel for the gas involved in the reaction and the water produced, and it is one of the key components of the membrane electrode. The gas diffusion layer is mainly used
PEMEC tests were performed with 20ml/min flow rate of liquid water at the anode side and 80 degrees temperature; the performance and impedance results shows in Figure about titanium felt, respectively. With the further research, among three different thickness titanium LGDLs in Figure. It shows that the PEMEC with a 350 micron thickness titanium LGDL
Titanium Felt LGDL: titanium felt liquid gas diffusion layerLGDL: liquid gas diffusion layerCL: catalyst layer To reduce the interfacial resistivity between the LGDL and CL. There are two different surface treatments: sputter coating and thermal nitriding. Firstly, as shown in Figure 1, sputter coating is a physical vapor deposition (PVD) method of thin film deposition
At present, hydrogen production mainly contains four processes and technologies: 1. Electrolysis of water; 2. Fossil fuels; 3. Industrial by-products; 4. Biomass. Electrolysis of water can directly obtain fuel hydrogen without CO, but its high cost is not conducive to the widespread promotion of this technology. Although the cost of the three types of production
Titanium fiber felt, a diffusion layer material, provides electrons between the catalyst layer and the bipolar plate or the current distributor on the anode side. Due to its three-dimensional network porous structure, high porosity, high corrosion resistance and other characteristics, titanium felt has become one of the best materials of diffusion layer in fuel cell
As the global resource shortage is becoming more and more serious. In terms of new energy, especially the process of producing hydrogen from electrolyzed water. Many customers demand metal fiber felts with a thickness of 200-240 microns and a porosity of 70%. Titanium felt is essential for Electrolysis hydrogen production equipment. Due to the high
