Hydrogen technologies are technologies that relate to the production and use of hydrogen as a part hydrogen economy. Hydrogen technologies are applicable for many uses.
Some hydrogen technologies are carbon neutral and could have a role in preventing climate change and a possible future hydrogen economy. Hydrogen is a chemical widely used in various applications including ammonia production, oil refining and energy. [1] The most common methods for producing hydrogen on an industrial scale are: Steam reforming, oil reforming, coal gasification, water electrolysis. [2]
Hydrogen is not a primary energy source, because it is not naturally occurring as a fuel. It is, however, widely regarded as an ideal energy storage medium, due to the ease with which electricity can convert water into hydrogen and oxygen through electrolysis and can be converted back to electrical power using a fuel cell or hydrogen turbine. [3] There are a wide number of different types of fuel and electrolysis cells. [4]
The potential environmental impact depends primarily on the methods used to generate hydrogen as a fuel.
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Forze Hydrogen-Electric Racing Team Delft
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Possible future aircraft using precooled jet engines include Reaction Engines Skylon and the Reaction Engines A2.
The following rockets were/are partially or completely propelled by hydrogen fuel:
The Wankel engine is a type of internal combustion engine using an eccentric rotary design to convert pressure into rotating motion. The concept was proven by German engineer Felix Wankel, followed by a commercially feasible engine designed by German engineer Hanns-Dieter Paschke. The Wankel engine's rotor, which creates the turning motion, is similar in shape to a Reuleaux triangle, with the sides having less curvature. The rotor spins inside a figure-eight-like epitrochoidal housing around a fixed-toothed gearing. The midpoint of the rotor moves in a circle around the output shaft, rotating the shaft via a cam.
A hydrogen vehicle is a vehicle that uses hydrogen to move. Hydrogen vehicles include some road vehicles, rail vehicles, space rockets, forklifts, ships and aircraft. Motive power is generated by converting the chemical energy of hydrogen to mechanical energy, either by reacting hydrogen with oxygen in a fuel cell to power electric motors or, less commonly, by hydrogen internal combustion.
The Detroit Auto Show, formerly known as the North American International Auto Show (NAIAS), is an annual auto show held in Detroit, Michigan. Hosted at Huntington Place since 1965, it is among the largest auto shows in North America, and is widely regarded as one of the automotive industry's most important events.
A fuel cell vehicle (FCV) or fuel cell electric vehicle (FCEV) is an electric vehicle that uses a fuel cell, sometimes in combination with a small battery or supercapacitor, to power its onboard electric motor. Fuel cells in vehicles generate electricity generally using oxygen from the air and compressed hydrogen. Most fuel cell vehicles are classified as zero-emissions vehicles. As compared with internal combustion vehicles, hydrogen vehicles centralize pollutants at the site of the hydrogen production, where hydrogen is typically derived from reformed natural gas. Transporting and storing hydrogen may also create pollutants. Fuel cells have been used in various kinds of vehicles including forklifts, especially in indoor applications where their clean emissions are important to air quality, and in space applications. Fuel cells are being developed and tested in trucks, buses, boats, ships, motorcycles and bicycles, among other kinds of vehicles.
The International Motor Show Germany or International Mobility Show Germany, in German known as the Internationale Automobil-Ausstellung, is one of the world's largest mobility trade fairs. It consists of two separate fairs, that subdivided in 1991. While the IAA Mobility displays passenger vehicles, motorcycles and bikes, the IAA Transportation specializes in commercial vehicles. Before the separation, the show was held solely at the Messe Frankfurt.
The Japan Mobility Show (ジャパンモビリティショー), called Tokyo Motor Show (東京モーターショー) (TMS) until 2019, is a biennial auto show held in October–November at the Tokyo Big Sight, Tokyo, Japan for cars, motorcycles and commercial vehicles. Hosted by the Japan Automobile Manufacturers Association (JAMA), it is a recognized international show by the Organisation Internationale des Constructeurs d'Automobiles, and normally sees more concept cars than actual production car introductions, which is the reason why the automotive press sees the show as one of the motorshow's big five.
The Los Angeles Auto Show, also known as the LA Auto Show, is an auto show held annually at the Los Angeles Convention Center in Los Angeles, California, United States. It is open to the public for ten days, filling 760,000 square feet (71,000 m2) of exhibit space. Since 2006 the event is held in November or December.
Hybrid vehicle drivetrains transmit power to the driving wheels for hybrid vehicles. A hybrid vehicle has multiple forms of motive power, and can come in many configurations. For example, a hybrid may receive its energy by burning gasoline, but switch between an electric motor and a combustion engine.
The Toyota FCHV is a hybrid hydrogen fuel cell vehicle development programme of the Toyota Motor Corporation, which was leased to a limited number of drivers in the United States and Japan beginning in 2002. The Toyota FCHV and Honda FCX, which began leasing on 2 December 2002, became the world's first government-certified commercial hydrogen fuel cell vehicles. Its first commercial fuel cell vehicle was developed from the FCHV-4, which was adapted from the Toyota Highlander body. "FCHV" stands for "Fuel Cell Hybrid Vehicle". A number of prototypes have been produced, up to the latest FCHV-adv ("advanced").
The HyNor-project was a nationally supported project which purpose was to facilitate and coordinate the introduction of hydrogen as a fuel in Norway, running from 2003 to 2012. Toward the commercial introduction of hydrogen vehicles in 2015, the HyNor-project focused on acquiring an early pre-commercial fleet of hydrogen vehicles, and keeping a close dialogue with the leading car manufacturers and other similar initiatives in the Nordic countries and around the world.
The Mazda RX-8 Hydrogen RE is a 2003 bi-fuel version of the RX-8 sports car, in which the twin-rotor wankel rotary engine is configured to run on either hydrogen or gasoline. This is the fifth Mazda vehicle to be fitted with a hydrogen wankel rotary engine.
The Mazda Premacy Hydrogen RE Hybrid or Mazda5 Hydrogen RE Hybrid was a hydrogen powered hybrid car produced by Mazda. Later models were also called the Mazda Hydrogen RE Plug in Hybrid. The first car was unveiled in 2005, with an improved version shown at the 2007 Tokyo Motor Show. Mazda planned for the car to enter production and leased a few cars to end users in 2009 in 2010.
A hydrogen internal combustion engine vehicle (HICEV) is a type of hydrogen vehicle using an internal combustion engine that burns hydrogen fuel. Hydrogen internal combustion engine vehicles are different from hydrogen fuel cell vehicles. Instead, the hydrogen internal combustion engine is simply a modified version of the traditional gasoline-powered internal combustion engine. The absence of carbon means that no CO2 is produced, which eliminates the main greenhouse gas emission of a conventional petroleum engine.
The Green Car Vision Award is an annual award granted by the Green Car Journal. In contrast with its Green Car of the Year award, which only considers production vehicles that make the most significant environmental advancements, the Green Car Vision Award considers pre-production vehicles with more than one functional prototype in existence and that may be in the early stages of commercialization. Vehicles that are part of a demonstration fleet or other program that finds them regularly driven by people other than employees of their manufacturer may also be considered. Nominees may also include a modification of an existing vehicle model, such as a conversion to another type of power like electric drive.
The European Motor Show Brussels is an auto show held biennial in the city of Brussels, Belgium. The number of visitors is around 270,000. The show is organized by the Belgian and Luxembourgish Automobile Federation (FEBIAC), and is scheduled by the Organisation Internationale des Constructeurs d'Automobiles.
The Toyota Mirai is a mid-size hydrogen fuel cell vehicle (FCV) manufactured by Toyota, and is the first FCV to be mass-produced and sold commercially. The Mirai was unveiled at the November 2014 Los Angeles Auto Show. As of November 2022, global sales totaled 21,475 units; the top-selling markets were the U.S. with 11,368 units, Japan with 7,435 and the rest of the world with 2,622.
The Mazda HR-X was the first hydrogen powered concept car produced by Mazda. The car was unveiled at the Tokyo Motor Show in 1991. The car seated four passengers in a plastic shell and was powered by a two rotor Wankel engine which propelled it to 130 km/h (81 mph). The hydrogen was stored in a cooled metal hydride tank and 3.32 kilograms (7.3 lb) provided a range of 190 km (120 mi). It was the first in a series of demonstration hydrogen internal combustion engine vehicles produced by Mazda.
There are numerous versions of vehicle propulsion systems. Many of those came into fruition due to need for cleaner vehicles. Each of them might have many abbreviations and some might be misleading. This article explains shortly what defines them.