{"id":7566,"date":"2025-07-04T10:59:23","date_gmt":"2025-07-04T08:59:23","guid":{"rendered":"https:\/\/x2e-se.de\/nicht-kategorisiert\/how-is-hydrogen-produced"},"modified":"2025-11-03T15:16:53","modified_gmt":"2025-11-03T14:16:53","slug":"how-is-hydrogen-produced","status":"publish","type":"post","link":"https:\/\/x2e-se.de\/en\/advisor\/how-is-hydrogen-produced","title":{"rendered":"How is hydrogen produced?"},"content":{"rendered":"\t\t
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Hydrogen is considered a key technology for the energy transition and plays a central role in the decarbonization of industry, mobility and energy supply. But how is hydrogen actually produced? In this article, we will introduce you to the three most important processes: Electrolysis, steam reforming and pyrolysis. <\/p>

Electrolysis – hydrogen from electricity and water<\/h2>

Electrolysis is a climate-friendly process for producing hydrogen. Water (H\u2082O) is broken down into its components hydrogen (H\u2082) and oxygen (O\u2082) using electrical energy. The process takes place in an electrolyser<\/strong> in which two electrodes – anode and cathode – are separated by a conductive liquid (electrolyte). <\/p>

Depending on the type of electrolyzer, a distinction is made between different technologies, including:
– Alkaline electrolysis (AEL)
– Proton exchange membrane electrolysis (PEM)
– High-temperature electrolysis (SOEC)<\/p>

Electrolysis is particularly sustainable if the electricity required comes from renewable sources<\/strong> such as wind or solar energy. In this case, we speak of green hydrogen, which is produced almost CO\u2082-free. <\/p>

Steam reforming – hydrogen from natural gas<\/h2>

Steam methane reforming (SMR) is currently the most commonly used process<\/strong> for hydrogen production worldwide. In this process, natural gas<\/strong> (mainly methane) is converted into hydrogen and carbon monoxide with steam under high pressure and at temperatures of around 800-900 \u00b0C in a reactor. <\/p>

In a second step, the so-called water-gas shift reaction, the resulting carbon monoxide is converted with further water vapor to carbon dioxide (CO\u2082) and additional hydrogen.<\/p>

One disadvantage of this process is the high CO\u2082 emissions – around 9 to 10 tons of CO\u2082 per ton of hydrogen. However, if the resulting CO\u2082 is captured and stored (carbon capture and storage, CCS), it is referred to as blue hydrogen. <\/p>

Pyrolysis – hydrogen from methane without CO\u2082<\/h2>

Methane pyrolysis is an innovative process in which methane is thermally split into hydrogen and solid carbon – without producing any CO\u2082:
This process takes place at temperatures of around 1000 \u00b0C, usually in a special reactor environment<\/strong>, e.g. a plasma reactor. The big advantage: no gaseous CO\u2082 is produced, but solid carbon, which can be used as a building material or in industry, for example.<\/p>

Hydrogen from pyrolysis is also known as turquoise hydrogen<\/strong>. The technology is still largely in the development stage, but offers great potential for a low-carbon hydrogen economy. <\/p>

Conclusion<\/h2>

Hydrogen can be produced in different ways – from climate-friendly electrolysis to steam reforming, which dominates today, to the promising pyrolysis process.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Hydrogen is considered a key technology for the energy transition and plays a central role in the decarbonization of industry, mobility and energy supply. But how is hydrogen actually produced? In this article, we will introduce you to the three most important processes: Electrolysis, steam reforming and pyrolysis. Electrolysis - hydrogen from electricity and water […]<\/p>\n","protected":false},"author":4,"featured_media":7559,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[107],"class_list":["post-7566","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-advisor","tag-technology-applications"],"yoast_head":"\nHow is hydrogen produced? | X2E System Engineering GmbH<\/title>\n<meta name=\"description\" content=\"In this article, we will introduce you to the three most important processes: Electrolysis, steam reforming and pyrolysis.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/x2e-se.de\/en\/advisor\/how-is-hydrogen-produced\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How is hydrogen produced? 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