Energy & Green Tech news
Energy & Green Tech
Ink engineering approach boosts efficiency and cuts cost of quantum dot-based photovoltaics
Colloidal quantum dots (CQDs) are tiny semiconductor particles that are just a few nanometers in size, which are synthesized in a liquid solution (i.e., colloid). These single-crystal particles, created by breaking down bulk ...
Apr 18, 2025
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Engineering
Eco-voxels: Researchers pioneer reconfigurable building blocks for Earth and off-world construction
For centuries, innovations in structural materials have prioritized strength and durability—often at a steep environmental price. Today, the construction industry accounts for approximately 10% of global greenhouse gas ...
Apr 18, 2025
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Perovskite solar modules show year-long outdoor durability
Perovskite photovoltaics (PV) are poised at the brink of commercialization, yet stability remains the foremost hurdle to overcome for widespread adoption. While extensive research has addressed the degradation of perovskite ...
Flexible tandem solar cells achieve 24.6% efficiency and withstand 3,000 bends in new study
Chinese scientists have found a way to make flexible tandem solar cells more efficient and durable by enhancing the adhesion of top layers to the bottom layers of the cell.
Apr 18, 2025
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The US has a single rare earths mine. Chinese export limits are energizing a push for more
America's only rare earths mine heard from anxious companies soon after China responded to President Donald Trump's tariffs this month by limiting exports of those minerals used for military applications and in many high-tech ...
Apr 18, 2025
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Electronics & Semiconductors
Hybrid thermoelectric material achieves high efficiency by decoupling heat and charge transport
Thermoelectric materials enable the direct conversion of heat into electrical energy. This makes them particularly attractive for the emerging Internet of Things. For example, for the autonomous energy supply of microsensors ...
Apr 17, 2025
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Electronics & Semiconductors
A cool fix for hot chips: Advanced thermal management technology for electronic devices
The exponential miniaturization of electronic chips over time, described by Moore's law, has played a key role in our digital age. However, the operating power of small electronic devices is significantly limited by the lack ...
Apr 17, 2025
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Engineering
Additively manufactured heat exchanger beats out traditional designs
Billions of heat exchangers are in use around the world. These devices, whose purpose is to transfer heat between fluids, are ubiquitous across many commonplace applications: they appear in HVAC systems, refrigerators, cars, ...
Apr 17, 2025
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Robotics
AI-powered robots help tackle Europe's growing e-waste problem
EU researchers have developed adaptable robots that could transform the way we recycle electronic waste, benefiting both the environment and the economy.
Apr 17, 2025
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Engineering
What keeps alternating current in sync when large power generators go offline?
In the future, Europe is to be dominantly powered by renewable energy. The expansion of wind and solar power capacity and the provision of sufficient power in winter are just two of the challenges that this presents.
Apr 17, 2025
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Energy & Green Tech
Vietnam ups wind, solar targets as energy demand soars
Vietnam has dramatically increased its wind and solar targets as it looks to up its energy production by 2030 to meet soaring demand, according to a revised version of its national power plan.
Apr 17, 2025
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Energy & Green Tech
Appliance efficiency standards save consumers billions, reduce pollution and fight climate change
President Donald Trump has said he wants to reverse decades of regulations about energy efficiency in American household appliances, claiming doing so will provide Americans with "freedom to choose" products that meet their ...
Apr 17, 2025
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Energy & Green Tech
Experts discuss geothermal potential in Australia
Taking a soak in a thermal spa might seem a much-needed break, worlds away from the relentless election campaigning, but they're actually more related than you might think.
Apr 17, 2025
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Energy & Green Tech
Mimosa seed bio-piezoelectric device functions as self-charging supercapacitor with high efficiency
Most energy generators currently employed within the electronics industry are based on inorganic piezoelectric materials that are not bio-compatible and contribute to the pollution of the environment on Earth. In recent years, ...
Engineering
Solar cell efficiency record achieved with tin halide perovskite
University of Queensland researchers have set a world record for solar cell efficiency with eco-friendly perovskite technology. A team led by Professor Lianzhou Wang has unveiled a tin halide perovskite (THP) solar cell capable ...
Apr 16, 2025
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Energy & Green Tech
Electrifying railways cuts black carbon exposure by 89%, study finds
Switching from diesel to electric trains dramatically improved the air quality aboard the San Francisco Bay Area's Caltrain commuter rail line, reducing riders' exposure to the carcinogen black carbon by an average of 89%, ...
Apr 16, 2025
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Engineering
From disorder to order: Zero thermal expansion materials rejuvenate aging batteries
A team of scientists have developed zero thermal expansion (ZTE) materials. This innovation has achieved nearly 100% voltage recovery in aging lithium-ion batteries (LIBs). Their study is published in Nature.
Apr 16, 2025
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Energy & Green Tech
A step toward harnessing clean energy from falling rainwater
When two materials come into contact, charged entities on their surfaces get a little nudge. This is how rubbing a balloon on the skin creates static electricity. Likewise, water flowing over some surfaces can gain or lose ...
Apr 16, 2025
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Engineering
Improving solar cell performance: The impact of Zr alloying on the engineering of BaHfS₃
Lead halide perovskite solar cells (LHPSCs) have rapidly gained prominence in the field of photovoltaics, boasting impressive power conversion efficiencies (PCEs) of up to 26.1% in single-junction devices. However, despite ...
Energy & Green Tech
Solar boom counters power shortages in Niger
Solar panels like the ones on the roof of Elhadj Abdou's house are an increasingly common sight in Niger's capital, which is often hit by power cuts.
Apr 16, 2025
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Energy & Green Tech
Ten reasons why nuclear energy is a bad idea for Australia
As always seems to be the way, energy and climate policy is proving to be an area of contention between the major parties in Australia's 2025 election.
Apr 16, 2025
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Engineering
A recipe for sustainable 3D printing
Preparing a new recipe from a cookbook usually means a trip to the grocery store for fresh ingredients, but a new recipe book created by a postdoctoral fellow at The University of New Mexico School of Engineering calls for ...
Apr 16, 2025
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Energy & Green Tech
Lithium oxide sublimation opens doors for cheaper and quicker battery manufacturing
A common lithium salt has revealed new possibilities for manufacturing cheaper, longer-lasting battery materials.
Apr 15, 2025
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Energy & Green Tech
Self-healing lithium battery stretches, survives punctures and cuts
A multidisciplinary team at the University of California, Berkeley, the Georgia Institute of Technology and the Hong Kong University of Science and Technology has developed a stretchable, self-healing lithium battery that ...
Energy & Green Tech
Making desalination more eco-friendly: New membranes could help eliminate brine waste
Desalination plants, a major and growing source of freshwater in dry regions, could produce less harmful waste using electricity and new membranes made at the University of Michigan.
Apr 15, 2025
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