Energy & Green Tech news

Energy & Green Tech

Solving the solar energy storage problem with rechargeable batteries that can convert and store energy at once

As the climate crisis looms, scientists are racing to find solutions to common clean energy problems, including solar energy storage. Solar energy is one of the best renewable resources we have, but it has challenges that ...

Jun 24, 2022

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Consumer & Gadgets

To beat the summer heat, passive cooling really works

Opening the windows at night and pulling down shades during the sunniest part of the afternoon can keep homes from becoming dangerously hot during extreme heat waves.

Jun 24, 2022

Closed-loop cobalt recycling from spent lithium-ion batteries based on a deep eutectic solvent

Taibai Li, Xiang Ge, and their colleagues from School of Materials and Metallurgy, Guizhou University have reported the efficient closed-loop recycling of the cathode material lithium cobalt oxide (LCO) of lithium-ion batteries ...

Jun 24, 2022

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Hydrogen heads home to challenge oil and gas as local energy supply

Hydrogen is carving out its place in the world of renewable energy. Regional developments like hydrogen valleys and hydrogen islands are serving as blueprints for larger ecosystems to produce and consume this versatile fuel ...

Jun 23, 2022

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Team develops biobatteries that use bacteria to generate power for weeks

As our tech needs grow and the Internet of Things increasingly connects our devices and sensors together, figuring out how to provide power in remote locations has become an expanding field of research.

Jun 22, 2022

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Robotics

Can robotics help us achieve sustainable development?

An international team of scientists, led by the University of Leeds, have assessed how robotics and autonomous systems might facilitate or impede the delivery of the UN Sustainable Development Goals (SDGs).

Jun 22, 2022

Energy & Green Tech

Potential market for liquid hydrogen as a marine fuel in the Aleutian Islands

As interest grows in the potential of using "green" hydrogen generated from renewable electricity to help decarbonize maritime shipping, a new study from the International Council on Clean Transportation (ICCT) estimates ...

Jun 22, 2022

Electric cars: It's not just about the battery, it's an energy issue, too

Soaring fuel prices are pushing more Australians than ever to consider electric vehicles. Modern electric cars can drive for hundreds of kilometers, with short charge times that align perfectly with a coffee break on longer ...

Jun 22, 2022

Startup using microorganisms to make 'green' cement

A Colorado company is channeling the industriousness of microorganisms to grow zero-carbon cement in a process that is similar to the way corals build reefs or oysters produce shells.

Jun 22, 2022

How are recycled garments made? And why is recycling them further so hard?

Today we make more clothing than ever before. And the driver for this is primarily economic, rather than human need. Over the past decade, the term "circular economy" has entered the fashion industry lexicon, wherein materials ...

Jun 22, 2022

California does not need to choose between post-pandemic economic growth and reducing carbon emissions

Surprisingly, environmental leader California has a smaller "green economy" than the average U.S. state and would need to add many thousands of environmentally friendly jobs to catch up. The good news is it's on track to ...

Jun 22, 2022

We need to simplify the chemistry industry to make it sustainable

Like many industries, the chemical industry needs to become more sustainable and, among other things, reduce its carbon footprint. But the situation is particularly complicated in the chemical industry, because in addition ...

Jun 22, 2022

Spain bets on green hydrogen in clean energy push

As Europe seeks to move way from fossil fuels, Spain is racing ahead in developing green hydrogen, aided by a growing wind and solar power complex in efforts to decarbonise its economy.

Jun 22, 2022

California drought: 'Smart' water meters coming to San Jose, other Bay Area cities

You've got a smartphone. Maybe a smartwatch. Or even a smart doorbell.

Jun 22, 2022

How Dutch houses can become almost energy- and CO2-neutral

How much energy and greenhouse gas emissions can Dutch homes save? Xining Yang uses Leiden as an example and shows with his research how enormous the impact can be. At least, if we work harder on becoming more sustainable. ...

Jun 22, 2022

Chemists pin down the cause for energy losses in high-capacity lithium-ion battery cathodes

An international team, which included Skoltech researchers and their colleagues from France, the United States, and Switzerland, found out why energy losses occur during the charge-discharge cycle in lithium-ion batteries ...

Jun 21, 2022

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Modern wind turbines can more than compensate for decline in global wind resource

Wind energy contributes significantly to the energy sector's sustainable, low-CO2 transformation. However, the efficiency of wind turbines depends on available wind resources and the technical characteristics of the turbines. ...

Jun 21, 2022