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  2. Hydrogen production - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_production

    Hydrogen gas is produced by several industrial methods. [ 1 ] Nearly all of the world's current supply of hydrogen is created from fossil fuels. [ 2 ][ 3 ]: 1 Most hydrogen is gray hydrogen made through steam methane reforming. In this process, hydrogen is produced from a chemical reaction between steam and methane, the main component of ...

  3. Hydrogen economy - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_economy

    Hydrogen production globally was valued at over US$155 billion in 2022 and is expected to grow over 9% annually through 2030. [ 33 ] In 2021, 94 million tonnes (Mt) of molecular hydrogen (H2) was produced. [ 34 ] Of this total, approximately one sixth was as a by-product of petrochemical industry processes. [ 4 ]

  4. Green hydrogen - Wikipedia

    en.wikipedia.org/wiki/Green_hydrogen

    Hydrogen can be produced from water by electrolysis.Electrolysis powered by renewable energy is carbon neutral.The Hydrogen Council said that, as of December 2023, manufacturers are preparing for a green hydrogen expansion by building out the electrolyzer pipeline by 35 percent to meet the needs of more than 1,400 announced projects.

  5. Timeline of hydrogen technologies - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_hydrogen...

    1834 – Benoît Paul Émile Clapeyron – Ideal gas law. 1836 – John Frederic Daniell invents a primary cell in which hydrogen is eliminated in the generation of the electricity. 1839 – Christian Friedrich Schönbein publishes the principle of the fuel cell in the "Philosophical Magazine". 1839 – William Robert Grove develops the Grove cell.

  6. Natural hydrogen - Wikipedia

    en.wikipedia.org/wiki/Natural_hydrogen

    Natural hydrogen. Natural hydrogen (known as white hydrogen, geologic hydrogen, [1] geogenic hydrogen, [2] or gold hydrogen), is hydrogen that is formed by natural processes [3][4] (as opposed to hydrogen produced in a laboratory or in industry). By contrast green hydrogen is produced from renewable energy sources, while grey, brown, blue or ...

  7. Hydrogen - Wikipedia

    en.wikipedia.org/wiki/Hydrogen

    Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H2, sometimes called dihydrogen, [ 11 ] but more commonly called hydrogen gas, molecular hydrogen or simply hydrogen. It is colorless, odorless, [ 12 ] non-toxic, and highly ...

  8. Hydrogen infrastructure - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_infrastructure

    Hydrogen pipeline transport is a transportation of hydrogen through a pipe as part of the hydrogen infrastructure. Hydrogen pipeline transport is used to connect the point of hydrogen production or delivery of hydrogen with the point of demand, pipeline transport costs are similar to CNG, [9] the technology is proven, [10] however most hydrogen is produced on the place of demand with every 50 ...

  9. Steam reforming - Wikipedia

    en.wikipedia.org/wiki/Steam_reforming

    Illustrating inputs and outputs of steam reforming of natural gas, a process to produce hydrogen and CO 2 greenhouse gas that may be captured with CCS. Steam reforming or steam methane reforming (SMR) is a method for producing syngas (hydrogen and carbon monoxide) by reaction of hydrocarbons with water.