The reason for the low efficiency of hydrogen transportation is that the density of hydrogen storage is too low. At present, various methods of hydrogen transmission are actually transporting stored hydrogen. If the hydrogen storage density increases, the efficiency of hydrogen delivery will naturally increase. Scientists now boldly imagine the co-transmission of hydrogen and electricity,
Solid hydrogen transportation, it is relatively simple to use hydrogen storage materials to store and transport hydrogen, that is, use hydrogen storage alloys to store hydrogen, and then transport containers containing hydrogen storage alloys. Solid hydrogen has the following advantages:(1) The volumetric hydrogen storage density is high; (2) The working conditions of the container are
When the liquid hydrogen production plant is far away from the user, the liquid hydrogen can be packed in a special low-temperature insulation tank and transported on a truck, locomotive, ship or plane. This is a fast and economical hydrogen transportation method that can not only meet the requirements of large hydrogen transportation volume, but
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
