{"id":238,"date":"2020-02-17T11:22:56","date_gmt":"2020-02-17T11:22:56","guid":{"rendered":"https:\/\/sagaciousresearch.com\/blog\/?p=238"},"modified":"2023-04-05T10:34:03","modified_gmt":"2023-04-05T10:34:03","slug":"solar-water-splitting-fuels-conversion-patent-landscape-study","status":"publish","type":"post","link":"https:\/\/sagaciousresearch.com\/blog\/solar-water-splitting-fuels-conversion-patent-landscape-study","title":{"rendered":"Solar Water Splitting to Fuels Conversion \u2013 Patent Landscape Study"},"content":{"rendered":"\n<p>Researchers have always realized hydrogen, one of the lightest elements, to be a promising green fuel and a potential energy store. Today, most hydrogen production plants require fossil fuels (natural gas, in most cases) to generate electricity, which is further utilized for electrolyzing water to produce hydrogen. These fossil fuels include, but are not limited to coal, petroleum, natural gas and even nuclear energy. Since the water splitting process is a highly endothermic process, therefore tremendous energy is used to dissociate H<sub>2<\/sub>O into H<sub>2<\/sub> and O<sub>2<\/sub>.<\/p>\n\n\n\n<p>We all know that one energy form, solar energy, is available to us in plethora. But the major challenge in utilizing solar energy to split water is low energy conversion efficiency and high cost involved, as well as reduction in the cost of the electrolyzer unit.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a261e53dd7d3\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a261e53dd7d3\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/sagaciousresearch.com\/blog\/solar-water-splitting-fuels-conversion-patent-landscape-study\/#Patent_landscape_%E2%80%93_an_overview\" >Patent landscape &#8211; an overview<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/sagaciousresearch.com\/blog\/solar-water-splitting-fuels-conversion-patent-landscape-study\/#Recent_advancements\" >Recent advancements<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/sagaciousresearch.com\/blog\/solar-water-splitting-fuels-conversion-patent-landscape-study\/#Trending_today\" >Trending today<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/sagaciousresearch.com\/blog\/solar-water-splitting-fuels-conversion-patent-landscape-study\/#Comment\" >Comment<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/sagaciousresearch.com\/blog\/solar-water-splitting-fuels-conversion-patent-landscape-study\/#Having_Queries_Contact_Us_Now\" >Having Queries? Contact Us Now!<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Patent_landscape_%E2%80%93_an_overview\"><\/span>Patent landscape &#8211; an overview<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Recent IP filings have shown that 43.65% of total patent literatures have been filed between the years 2012 and 2017, showing the interest of the scientific community in this technological field. The <strong><a href=\"https:\/\/sagaciousresearch.com\/it-for-ip\">R&amp;D in this technological field<\/a><\/strong> is expected to grow at CAGR of nearly 23% between 2017 and 2022. The Hydrogen production market in terms of value is estimated to be approximately USD 150 Billion by 2022. The majority of research has been carried out mainly in China, the United States, Japan and Germany, with China leading the way. <\/p>\n\n\n\n<p>In China, researchers from\nacademia are highly involved in this technology. 36.9% of total patents have been\nfiled by universities &amp; research institutes. Notable ones are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bohai University;<\/li>\n\n\n\n<li>East China University of Science and Technology;<\/li>\n\n\n\n<li>Xi&#8217;an University of Architecture and Technology;<\/li>\n\n\n\n<li>Technical Institute of Physics and Chemistry;<\/li>\n\n\n\n<li><a href=\"http:\/\/www.dicp.ac.cn\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Dalian Institute of Chemical Physics (opens in a new tab)\">Dalian Institute of Chemical Physics<\/a>; and<\/li>\n\n\n\n<li>University of Electronic Science and Technology of China.<\/li>\n<\/ul>\n\n\n\n<p>Researchers from these universities also started to focus on materials like perovskite-structured transition metal oxynitrides (such as those based on gallium and tellurium) as a new type of photocatalyst with high visible light content. In 2015, researchers from Bohai University <strong><a href=\"https:\/\/sagaciousresearch.com\/strategic-patent-prosecution-support\">filed their patents<\/a><\/strong> focusing on photocatalytic materials that can be activated by visible light as well ultraviolet light such as CATON, CMTON and CSTON. These materials have shown high efficiency, stability and water splitting efficiency.<\/p>\n\n\n\n<p><strong>Also Read: <a rel=\"noreferrer noopener\" aria-label=\"Patent Landscape Study on Artificial Retina (opens in a new tab)\" href=\"https:\/\/sagaciousresearch.com\/blog\/patent-landscape-study-artificial-retina\/\" target=\"_blank\">Patent Landscape Study on Artificial Retina<\/a><\/strong><\/p>\n\n\n\n<p>Major industry players:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"http:\/\/www.sunpowerups.co.in\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Sunpower Technologies<\/a>;<\/li>\n\n\n\n<li>Wuxi Thinkpower New Energy Technology Co.Ltd;<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sabic.com\/en\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Sabic Global Technologies<\/a>;<\/li>\n\n\n\n<li>Equos Research Co.,Ltd;<\/li>\n\n\n\n<li>Everphoton Energy Corp.<\/li>\n<\/ul>\n\n\n\n<p>Overall, the <strong>patent filings<\/strong> in this domain suggest that the significant focus of all inventions lies in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improvement in reduction\nof greenhouse gas emission<\/li>\n\n\n\n<li>Improvement in energy\nconversion efficiency<\/li>\n\n\n\n<li>Production of hydrogen\nwith inexpensive manufacturing cost<\/li>\n\n\n\n<li>Improvement in the\nefficiency of a photosynthetic system&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/li>\n\n\n\n<li>Improvement in photoactive\nmaterial<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Recent_advancements\"><\/span>Recent advancements<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Initially, the inventions were based on conducting catalytic reactions using different photocatalyst and then carrying the electrolysis of water, thereby, effectively converting the solar energy into hydrogen energy. Afterwards, patents were filed to overcome the problem of costly process involved in the direct conversion of solar energy into electricity, which on the other hand has lower efficiency. Such problems were overcome by using thermochemical water dissociation by solar energy to produce hydrogen.<\/p>\n\n\n\n<p>Due to the dynamic nature of the\ntechnology, the focus of researchers shifted towards improvement in photoactive\nmaterials to improve higher energy conversion efficiency, improving the limited\nlifetime and efficiency of hydrogen production device and reduction in waste of\nresources.<\/p>\n\n\n\n<p>The\ntechnology took a sharp turn when organizations like Hyper Solar introduced next\ngeneration semiconductor material such as titanium silicides, nickel silicide,\niron silicides, thallium silicide, boron silicide, cobalt silicide etc. that absorbs\nsolar or artificial radiation energy to split water and produce hydrogen and\noxygen at a relatively low cost.<\/p>\n\n\n\n<p>From thereon, the focus of the\ninvention lies in improving the properties of photoactive materials and devices\nthat can be used for improving the photocatalytic reaction rate leading to higher\nenergy conversion efficiency.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Trending_today\"><\/span>Trending today<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Govinder Singh Pawar, researcher\n&nbsp;at&nbsp;\nthe University of Exeter, Britain, has pushed the world one step closer\nto being pollution-free by creating a photoelectrode that can store solar\nenergy more efficiently than any other method we know today and also use it to\ngenerate enough voltage to extract hydrogen from water for fuelling the world.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Scientists from Kyushu\nUniversity have synthesized a compound that absorbs near-infrared light to\nproduce hydrogen from water. The compounds consist of three ruthenium atoms connected\nby an organic molecule. This is the first successful use of infrared light to\nproduce hydrogen by water splitting.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Comment\"><\/span>Comment<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Fulfilling the growing demand of energy while keeping in mind the idea of sustainable development is a major challenge in front of the scientific community. With the depletion of fossil fuels, it is evident that the world will rely on renewable energy sources like solar energy and fuels like hydrogen fuel. Till now, the use of hydrogen as a fuel is limited, but advances in chemistry and physics behind the technology like solar water splitting are at peak. In order to fully leverage the potential of this technology, researchers must work on improving the energy conversion efficiency by utilizing different combinations of photocatalytic materials and photoactive materials to improve the performance of reactions involved in the energy conversion process. <\/p>\n\n\n\n<p>&#8211; Satyender Kumar, Parteek Saxena (Engineering Team) and The Editorial Team <br><br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Having_Queries_Contact_Us_Now\"><\/span>Having Queries? Contact Us Now!<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\nvar gform;gform||(document.addEventListener(\"gform_main_scripts_loaded\",function(){gform.scriptsLoaded=!0}),document.addEventListener(\"gform\/theme\/scripts_loaded\",function(){gform.themeScriptsLoaded=!0}),window.addEventListener(\"DOMContentLoaded\",function(){gform.domLoaded=!0}),gform={domLoaded:!1,scriptsLoaded:!1,themeScriptsLoaded:!1,isFormEditor:()=>\"function\"==typeof InitializeEditor,callIfLoaded:function(o){return!(!gform.domLoaded||!gform.scriptsLoaded||!gform.themeScriptsLoaded&&!gform.isFormEditor()||(gform.isFormEditor()&&console.warn(\"The use of gform.initializeOnLoaded() is deprecated in the form editor context and will be removed in Gravity Forms 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id='input_203_17' class='large gfield_select'    aria-required=\"true\" aria-invalid=\"false\" ><option value='' >Please Select Country<\/option><option value='United States' >United States<\/option><option value='Canada' >Canada<\/option><option value='United Kingdom' >United Kingdom<\/option><option value='China' >China<\/option><option value='India' >India<\/option><option value='North Korea' >North Korea<\/option><option value='South korea' >South korea<\/option><option value='United Arab Emirates' >United Arab Emirates<\/option><option value='Afghanistan' >Afghanistan<\/option><option value='Albania' >Albania<\/option><option value='Algeria' >Algeria<\/option><option value='Andorra' >Andorra<\/option><option value='Angola' >Angola<\/option><option value='Antigua and Barbuda' >Antigua and Barbuda<\/option><option value='Argentina' >Argentina<\/option><option value='Armenia' >Armenia<\/option><option value='Australia' >Australia<\/option><option value='Austria' 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Guinea<\/option><option value='Eritrea' >Eritrea<\/option><option value='Estonia' >Estonia<\/option><option value='Eswatini' >Eswatini<\/option><option value='Ethiopia' >Ethiopia<\/option><option value='Fiji' >Fiji<\/option><option value='Finland' >Finland<\/option><option value='France' >France<\/option><option value='Gabon' >Gabon<\/option><option value='The Gambia' >The Gambia<\/option><option value='Georgia' >Georgia<\/option><option value='Germany' >Germany<\/option><option value='Ghana' >Ghana<\/option><option value='Greece' >Greece<\/option><option value='Grenada' >Grenada<\/option><option value='Guatemala' >Guatemala<\/option><option value='Guinea' >Guinea<\/option><option value='Guinea-Bissau' >Guinea-Bissau<\/option><option value='Guyana' >Guyana<\/option><option value='Haiti' >Haiti<\/option><option value='Honduras' >Honduras<\/option><option value='Hungary' >Hungary<\/option><option value='Iceland' >Iceland<\/option><option value='Indonesia' >Indonesia<\/option><option value='Iran' >Iran<\/option><option value='Iraq' >Iraq<\/option><option value='Ireland' >Ireland<\/option><option value='Israel' >Israel<\/option><option value='Italy' >Italy<\/option><option value='Jamaica' >Jamaica<\/option><option value='Japan' >Japan<\/option><option value='Jordan' >Jordan<\/option><option value='Kazakhstan' >Kazakhstan<\/option><option value='Kenya' >Kenya<\/option><option value='Kiribati' >Kiribati<\/option><option value='Kosovo' >Kosovo<\/option><option value='Kuwait' >Kuwait<\/option><option value='Kyrgyzstan' >Kyrgyzstan<\/option><option value='Laos' >Laos<\/option><option value='Latvia' >Latvia<\/option><option value='Lebanon' >Lebanon<\/option><option value='Lesotho' >Lesotho<\/option><option value='Liberia' >Liberia<\/option><option value='Libya' >Libya<\/option><option value='Liechtenstein' >Liechtenstein<\/option><option value='Lithuania' >Lithuania<\/option><option value='Luxembourg' >Luxembourg<\/option><option value='Madagascar' 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