{"id":98212,"date":"2023-09-13T10:00:07","date_gmt":"2023-09-13T08:00:07","guid":{"rendered":"https:\/\/www.cemexventures.com\/?p=98212"},"modified":"2024-02-14T16:40:47","modified_gmt":"2024-02-14T15:40:47","slug":"hydrogen-renewable-energy","status":"publish","type":"post","link":"https:\/\/www.cemexventures.com\/hydrogen-renewable-energy\/","title":{"rendered":"All about renewable hydrogen energy"},"content":{"rendered":"
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Have you heard of the h<\/span>ydrogen <\/span>fuel revolution?<\/span><\/span> <\/span><\/span><\/strong><\/em> <\/span><\/span><\/p>\n

What if one of the world\u2019s most complex challenges: climate change, had a simple answer? Well, it doesn\u2019t per se, but <\/span>hydrogen, the simplest & lightest element<\/span><\/b>, can be produced as a renewable energy source and replace the heavy carbon emitting and noxious fossil fuels we\u2019ve relied on for years.<\/span> <\/span><\/p>\n

One way that governments, corporations, and startups are working to limit global temperature rises is to increase their use of alternative and renewable fuel <\/span>sources that emit less CO2. <\/span><\/b>As the world grapples with the urgent need to transition to renewable energy sources, hydrogen has emerged as a promising candidate. <\/span> <\/span><\/p>\n

With its potential to produce clean energy and reduce greenhouse gas emissions, <\/span>renewable hydrogen energy<\/span><\/b> has garnered significant attention, especially in the construction industry. The clean hydrogen revolution is coming, but there are lingering questions about its renewability. In this article, we will dive into the concept of hydrogen energy, explore its renewability, and examine its advantages and drawbacks for heavy industry.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\tThe clean hydrogen revolution is coming, but there are lingering questions about its<\/span>\n\t\t\t\t\n\t\t\t\t\trenewability.<\/span>\n\t\t\t\t<\/span>\n\t\t\t\t<\/h3>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\n\t\t\t\tAll about renewable hydrogen energy\t\t\t<\/div>\n\t\t\t\t\t\t\t
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What is hydrogen energy?<\/span><\/h2>

Hydrogen is found in vast quantities on Earth<\/span><\/b>, primarily in water and organic matter. An <\/span>energy carrier<\/span>, hydrogen can be used to store, move, and deliver energy produced from other sources. But because hydrogen is not found in nature in its pure state, it must be produced from other sources (e.g., natural gas, biogas, <\/span>solar power<\/span><\/a>, wind power, etc.) through different methods (e.g., electrolysis, steam methane reforming, pyrolysis, biomass gasification, etc.).\u00a0<\/span><\/p>

Hydrogen energy is a clean <\/span>alternative to methane<\/span> (aka natural gas) because when it is used in fuel cells to generate electricity or combusted to <\/span>produce heat and power it does not emit CO2 emissions<\/span><\/b>.<\/span>\u00a0<\/span><\/p>

How energy is produced with hydrogen<\/span><\/h2>

Once hydrogen has successfully been produced in its pure state, there are two traditional methods of producing energy with hydrogen: <\/span>fuel cells and combustion<\/span><\/b>.<\/span>\u00a0<\/span><\/p>

Fuel cells<\/span><\/b> are electrochemical devices<\/span><\/b> that combine hydrogen and oxygen atoms to produce electricity, water, and a small amount of heat. This method does not release any greenhouses gases, so it\u2019s a method of clean electricity production. Major CO2 emitting industries, such as power, transportation and <\/span>construction<\/span> have begun employing this technology to lower their carbon footprints.\u00a0\u00a0<\/span>\u00a0<\/span><\/p>

On the other hand, <\/span>combustion<\/span><\/b> involves burning liquid or gaseous hydrogen<\/span><\/b>, similar to how gasoline or diesel fuel is burned in traditional engines. When hydrogen is combusted, it reacts with oxygen to produce heat, which can be used to generate electricity or provide heat for industrial processes. However, unlike the combustion of fossil fuels, hydrogen does not emit CO2 when burned.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Is hydrogen energy renewable?<\/span><\/h2>

Hydrogen energy itself is not inherently renewable, as <\/span>it does not occur naturally in its pure form<\/span><\/b>, but it can be produced from renewable sources, such as solar, wind, biomethane or hydroelectric power, making it a renewable energy carrier.\u00a0<\/span>\u00a0<\/span><\/p>

What makes hydrogen a renewable or clean energy source is the raw material or process used to convert it to its pure state. <\/span><\/b>Moreover, depending on the type of production used, different color names are assigned to the hydrogen. Think green, <\/span>turquoise<\/span>, blue, brown, grey and yellow hydrogen!<\/span>\u00a0<\/span><\/p>

Renewable hydrogen is often <\/span>produced through a process called electrolysis<\/span><\/b>, where an electric current is passed through water, splitting it into hydrogen and oxygen. The electricity used in electrolysis can be sourced from renewable energy sources, ensuring that the hydrogen produced is truly renewable. Alternatively, it can also be sourced from renewable natural gas or biomethane, produced by the fermentation of organic matter with no carbon footprint.<\/span>\u00a0<\/span><\/p>

What advantages does it have over other renewable energies?<\/span><\/h2>

Hydrogen energy has several advantages over other renewable energy sources.\u00a0<\/span>\u00a0<\/span><\/p>