{"id":16459,"date":"2023-08-17T09:34:38","date_gmt":"2023-08-17T06:34:38","guid":{"rendered":"https:\/\/hho-bulgaria.com\/?post_type=green-hydrogen-news&p=16459"},"modified":"2023-08-17T09:34:38","modified_gmt":"2023-08-17T06:34:38","slug":"researchers-succeed-in-producing-highly-efficient-low-cost-green-hydrogen","status":"publish","type":"green-hydrogen-news","link":"https:\/\/hho-bulgaria.com\/ro\/green-hydrogen-news\/researchers-succeed-in-producing-highly-efficient-low-cost-green-hydrogen\/","title":{"rendered":"Researchers Succeed in Producing Highly Efficient, Low-cost Green Hydrogen"},"content":{"rendered":"

Researchers succeed in producing highly efficient, low-cost green hydrogen.<\/p>\n

Researchers from Tel Aviv University have succeeded in producing \u201cgreen\u201d hydrogen using green electricity\u2014The hydrogen is produced without air pollution, with a high level of efficiency, utilizing a biocatalyst. Hydrogen is a necessary raw material for both agriculture and industry, but 95% of the hydrogen produced in the world today is \u201cblack\u201d or \u201cgray\u201d\u2014produced from coal or natural gas and emitting 9-12 tons of carbon dioxide for every ton of hydrogen.<\/p>\n

The new method was developed by doctoral student Itzhak Grinberg and Dr. Oren Ben-Zvi, under the guidance of Prof. Iftach Yacoby of the School of Plant Sciences and Food Security at the Faculty of Life Sciences and Prof. Lihi Adler-Abramovich of the School of Dental Medicine and the Center for Nanoscience and Nanotechnology. The promising research results were published in the journal\u00a0Carbon Energy<\/em>, focusing on\u00a0advanced materials<\/a>\u00a0and technology for clean energy and CO2<\/sub>\u00a0emission reduction.<\/p>\n

Itzhak Grinberg<\/strong>, said:<\/p>\n

Hydrogen is very rare in the atmosphere.<\/p><\/blockquote>\n

\u201cAlthough it is produced by enzymes in microscopic organisms, which receive the energy for this from photosynthesis processes. In the lab, we \u2018electrify\u2019 those enzymes, that is, an electrode provides the energy instead of the sun. The result is a particularly efficient process, with no demand for\u00a0extreme conditions<\/a>, that can utilize electricity from renewable sources such as solar panels or wind turbine. However, the enzyme \u2018runs away\u2019 from the\u00a0electric charge<\/a>, so it needs to be held in place through chemical treatment. We found a simple and efficient way to attach the enzyme to the electrode and utilize it.\u201d<\/p>\n

The researchers used a hydrogel (a water-based gel) to attach the enzyme to the electrode, and were able to produce green\u00a0hydrogen<\/a>\u00a0using a biocatalyst, and with over 90% efficiency; that is, over 90% of the electrons introduced into the system were deposited in the hydrogen without any secondary processes.<\/p>\n

Prof. Iftach Yacoby<\/strong>\u00a0explains that:<\/p>\n

The material of the gel itself is known, but our innovation is to use it to produce hydrogen.<\/p><\/blockquote>\n

\u201cWe soaked the electrode in the gel, which contained an enzyme for producing hydrogen, called hydrogenase. The gel holds the enzyme for a long time, even under the electric voltage, and makes it possible to produce hydrogen with great efficiency and at\u00a0environmental conditions<\/a>\u00a0favorable to the enzyme\u2014for example, in\u00a0salt water<\/a>, in contrast to electrolysis, which requires distilled water.\u201d<\/p>\n

Prof. Lihi Adler-Abramovich<\/strong>\u00a0adds:<\/p>\n

Another advantage is that the gel assembles itself\u2014you put the material in water, and it settles into nanometric fibers that form the gel.<\/p><\/blockquote>\n

\u201cWe demonstrated that these fibers are also able to stick the enzyme to the electrode. We tested the gel with two other enzymes, in addition to the hydrogenase, and proved that it was able to attach different enzymes to the electrode.\u201d<\/p>\n

Dr. Oren Ben-Zvi<\/strong>, said:<\/p>\n

Today, \u2018green\u2019 hydrogen is produced primarily through electrolysis, which requires precious and\u00a0rare metals\u00a0such as platinum along with water distillation, which makes the green hydrogen up to 15 times more expensive than the polluting \u2018gray\u2019 one.<\/p><\/blockquote>\n

\u201cWe hope that in the future, it will be possible to employ our method commercially, to lower the costs, and to make the switch towards using\u00a0green hydrogen<\/a>\u00a0in industry, agriculture, and as a clean energy source.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"

Researchers succeed in producing highly efficient, low-cost green hydrogen.<\/p>\n","protected":false},"featured_media":16457,"parent":0,"menu_order":0,"template":"","news-category":[],"class_list":["post-16459","green-hydrogen-news","type-green-hydrogen-news","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nResearchers Succeed in Producing Highly Efficient, Low-cost Green Hydrogen » HHO Bulgaria<\/title>\n<meta name=\"description\" content=\"Researchers succeed in producing highly efficient, low-cost green hydrogen.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hho-bulgaria.com\/ro\/green-hydrogen-news\/researchers-succeed-in-producing-highly-efficient-low-cost-green-hydrogen\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Researchers Succeed 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