23 January 2012 Archives
This industrial directory contains a broad range of Compressors: Oxygen, Hydrogen & Nitrogen Gases companies serving all industries. For differential pressure operation a compression behavior close to the isothermal values are observed up to 35 MPa. Manufacturer of oxygen, hydrogen & nitrogen gas compressors & gaseous diaphragm pumps designed for continuous use. Do not attempt liquid or compressed gas storage, it is just asking for trouble.
It is Resato's vision to address this challenge with compact and efficient fueling solutions that support the development of a hydrogen economy in the Northern Netherlands. , in Electrochemical Energy Storage for Renewable Sources and Grid Balancing, Moseley P. T., Garche J. Editors, p. 103 (2015).
11 is a graph showing the voltage applied during electrochemical hydrogen compression to 45 psia (T=65° C.; i=0.6 A) (-ΔE derived using equation 4). Our diaphragm compressors can be provided as fully tested skid-mounted packages ready for easy installation and problem-free commissioning, as well as in bare-shaft versions for integration in customer- specific packages.
Its characteristics with respect to hydrogen compression efficiency are discussed below. 7 is a graph showing the results of electrochemical hydrogen compression to 45 psia (T=22° C.; i=0.6 A). As the pressure of cathode compartment increases, the moisture contents of hydrogen decrease, however, the electrochemical performance of the compression cell is deteriorated.
Cell efficiency (including all electrochemical and faradaic losses) according to Equation 8 , normalized to E0cell = f(pH2,T) or LHV of hydrogen, for differential and balanced pressure PEWE using Nafion 112 and Nafion 117 membranes at 50°C as a function of the operating pressure at (A) 1 A.cm−2 and (B) 3 A.cm−2.
The delivery of hydrogen in gaseous or liquid form or as an absorbed species (e.g. metal hydride, on activated carbon, or in carbon nanotubes) depends on the fuel cell application, and re-fueling frequency and related autonomy are important factors to consider in the selection of the appropriate mode of fuel storage.
Both electrolyzer designs for hydrogen production systems would typically include a water source, water purification systems, electrical power supply, hydrogen gas dryer, hydrogen gas purifier, hydrogen gas compressor , and hydrogen storage tanks. Expert know-how on piston sealing and packing rings can ensure that reciprocating pdc compressors outperform the competing technologies in terms of MTBO (Mean Time Between Overhaul).
High-pressure hydrogen (100MPa) Compressors has been developed to supply hydrogen to fuel cell vehicles as energy source instead of gasoline. Manufacturer of oxygen, hydrogen, & nitrogen gas compressors. All Hofer diaphragm compressors are subjected to a test run under load at our factory, during which the operating data are recorded and documented.
Phase I demonstrated a baseline, low cost, solid-state hydrogen compressor cell capable of compressing hydrogen from 50 psi to 2,000 psi, a 40-to-1 compression ratio. Stationary high pressure compressors for the compression of hydrogen, natural gas and biogas.
The prototype solid-state, multi-stage compressor incorporates a series of membrane-electrode-assemblies (MEAs), similar to those used in proton exchange membrane fuel cells. The compressor station consists of a dual street compression line and all necessary peripherals for post treatment of compressed gases including cooling and drying.
This breakthrough represents an important step in the development of a technology that is targeted to deliver hydrogen at 10,000 psi — a level that industry experts currently believe is necessary to give fuel cell cars a 'running time' between refueling that is competitive with internal combustion engine cars.
The present extension of the original ATLAS project aspires to upscale and bring close to commercialization the main outcome of ATLAS-H2 (the Metal Hydride Compressor) while paying considerable attention to the demonstration of its potential applications (RES storage, hydrogen filling stations for vehicles, etc) and the development of a complete business plan for market deployment and penetration.