Top 10 Innovative Technologies in Sustainable Energy Sector

The transition towards a more sustainable future is inevitable if we want to save our planet.

There are a lot of innovations that are shaping the renewable energy sector. New energy technologies are becoming increasingly popular, creating better awareness around shifting to cleaner solutions. Many industries are implementing changes and focusing on creating more sustainable environments, from solar power, energy storage, electric vehicles to innovative heat pumps, hydrogen technologies, smart electricity grids and more alternatives for coal, oil and gas.

With the growth of renewables, there is a chance to shift away from using fossil fuels. And today, the focus will be on sustainable innovations forming a new, cleaner world’s future.

Our universe is a sea of energy – free, clean energy. It is all out there waiting for us to set sail upon it.

Robert Adams, American landscape photographer

What sustainable innovations will transform the energy sector?

With the growth of Artificial intelligence (AI), additive manufacturing, automation and other technologies, the transition towards a cleaner future can be easier as many of the advances help control and monitor infrastructures and improve the environment by replacing old equipment with newer and better solutions. Thermal imagers, for example, indicate damages to solar installations caused by overheating and pressure transmitters can be used in hydrogen applications to examine the expansion force of a liquid or gaseous sample. 

With technological advances, more things can be monitored and measured, creating the opportunity for the whole world to build a more sustainable environment. Therefore, today’s focus will be on some of the trends shaping the energy industry.

1. Solar Powered Trains 

Thomas A. Edison, one of the most important inventors in the electric power generation sector, said: “I’d put my money on the sun and solar energy. What a source of power! I hope we don’t have to wait until oil and coal run out before we tackle that.” It proves that there is a huge potential for solar energy. 

However, even though solar power is one of the most popular renewables, it is still not as popular as fossil fuels. The International Energy Agency (IEA) estimated that 29 % of the world’s electricity is generated by renewable energy and solar power is the third-largest renewable electricity technology behind hydropower and onshore wind after overtaking bioenergy in 2019.

Many people agree with Edison and try to find more ways of using solar energy, like solar powered trains. This mode of transportation can run all day without recharge. As BBC reported in their video about the solar railway (see below), the train exports 75% of the energy it creates back to the grid.

2. Food waste solar panels

There are constant improvements in the energy sectors, one that showcases another improvement in solar energy are solar panels made from food waste. The revolutionary material was created using discarded fruit and vegetable luminous particles. It was designed by an engineering student, Carvey Ehren R. Maigue, who works for AuReus, and with his concept, he became a winner of the James Dyson Award. Isn’t it the most sustainable concept out there?

3. Bladeless Wind Energy

Along with new technology development, there are more advanced solutions for renewable energy sources, such as wind turbines. Everyone knows or at least has seen the common wind turbines that usually are big and can be installed offshore and onshore that we wrote about in this article. But has anyone seen a new wind turbine design that does not require rotating blades?

A Spanish startup, Vortex Bladeless, projected the new design. An elastic rod is used to secure the company’s 3m tall bladeless turbine vertically into the ground. It is built to sway or oscillate within the wind’s speed range, and the vibration that results from this produces energy. These bladeless turbines can be used in urban or residential areas without the space required to construct conventional wind farms.

4. Lithium-glass batteries

The importance of batteries in the renewable energy transition is huge. In this article, we focused on the lithium-ion battery, John Goodenough’s innovation. Goodenough is called the ‘father of lithium-ion batteries’ and he won a Nobel Prize in Chemistry for this invention. That, however, did not stop him from contributing to the development of a lithium-glass battery that has a capacity that increases with age and has a density of energy that is double that of lithium-ion batteries.

These batteries have a much longer lifespan than conventional batteries. They also work at lower temperatures, charge more quickly, cost less, are safer (non-flammable), and store more energy over time.

5. “Rechargeable” Tyres

Goodyear is developing an innovative idea for electric vehicles to reduce the time on changing tyres. The brand unveiled something it calls a “revolutionary self-regenerating concept tyre that can adapt and change to meet individual mobility needs.”

Imagine a tyre that adapts to weather circumstances, road conditions or the way you want to travel. Goodyear’s new innovation is created from a biological substance and strengthened with fibres modelled with one of nature’s strongest substances, spider silk. This makes it completely biodegradable and incredibly durable.

6. 3D Printed solar energy trees

Instead of cutting down trees for energy, why not plant them? Researchers at the VTT Technical Research Centre of Finland have created a prototype of a tree that collects solar energy, kinetic and heat energy from its surroundings, indoors or outdoors. It can store energy and convert it into electricity to power small appliances like LED light bulbs, humidifiers, thermometers, and mobile phones. 

The artificial energy-harvesting trees can be infinitely replicated. They were made to resemble trees so they could be placed in gardens and other natural settings.

7. Waste power planes

One of the most carbon-intensive human activities is air travel. Along with previously mentioned food solar panels made from waste, the ‘wet’ human waste, like rotting food and sewage can be used for planes. These waste-powered aircraft are propelled by waste-derived fuels, such as wood and household trash that react with catalytic chemicals.

Will more companies focus on producing jet fuel from waste carbon sources like food waste and municipal trash? The climate implications of this fuel would be less than those of traditional fuel because it is derived from plants that absorb carbon dioxide from the atmosphere. According to Popular Mechanics, there is enough usable wet waste to replace 20% of all aviation fuel, which also means keeping it out of landfill cycles that release methane. 

8. Solar energy 3.0 

You have probably heard of the industrial revolutions, like Industry 5.0, which focuses on collaboration between humans and robots, but have you heard of solar 3.0, the revolution in the solar industry? 

The solar 3.0 is a fully dispatchable solar PV power plant that uses battery storage or another storage unit to enable time shifting, supplying more or less energy to the grid when needed. The main revolution is about bringing to light perovskites that use 10 to 1000 times less material than, most commonly used, crystalline silicon cells. Find out more in the video.

9. Carbon nanotubes

Students from the Massachusetts Institute of Technology have discovered an innovative material consisting of carbon nanotubes that can produce electricity by absorbing energy from its surroundings. 

Tiny carbon particles that can generate a current just by reacting with the liquid around them can be used to produce power. According to the researchers, the liquid, an organic solvent, pulls electrons from the particles and creates a current that may be used to operate micro- or nanoscale robotics or chemical reactions.

10. The building that cools itself

We were already writing about green buildings, showing how they are an essential part of urban design that strives to lessen climate change and consume less energy and water. But what about buildings that do not need air conditioning to cool down? 

In the wild, termites create towering mounds that are ventilated by an intricate network of tunnels. Zimbabwean architect Mick Pearce utilised the biomimicry method to create a natural cooling system that tapped into nature by modelling the creativity of termites. The result is an architectural masterpiece that utilises cooling air during the night and heat exhaustion during the day to achieve 90% passive climate control.

The future of energy is digitised and sustainable

Some of the presented sustainable innovations can transform the energy sector into a green sector as the Earth’s rationally used materials can finally create a balance between humans and nature. Sustainability forces us to look into what we are already using, reusing and find the potential in food waste or nature that is full of treasures. 

However, some of these innovative technologies mentioned in the text would not be possible to discover and develop without other technological advances, for example solar powered trees probably wouldn’t exist without additive manufacturing or rechargeable tires without the invention of rechargeable batteries. Therefore, digitalisation can make the energy sector cleaner by helping us discover more sustainable solutions for the energy sector, for example, using 3D printers or energy meters. Digitalisation is growing and seems to be an inseparable part of our lives. Now more and more devices will be connected to the grid, and we can predict that eventually, everything will be connected and monitored.

*Since Distrelec has not tested any of these innovations, we are unable to confirm the assertions made by their creators.

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