Sound vibrations turbo charge green hydrogen production
Engineers in Melbourne have used sound waves to boost production of green hydrogen by 14 times, through electrolysis to split water.
Dec 12, 2022
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Energy & Green Tech
News tagged with high energy
Engineering
New cathode coating extends lithium-ion battery life, boosts safety
The U.S. Department of Energy's (DOE) Argonne National Laboratory, in collaboration with Hong Kong University of Science and Technology (HKUST), has developed a new particle-level cathode coating for lithium-ion batteries ...
Jul 9, 2020
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324
Energy & Green Tech
A unified theory of electrochemical energy storage: Bridging batteries and supercapacitors
For decades researchers and technologists have regarded batteries and capacitors as two distinct energy storage devices—batteries, known for storing more energy but releasing it slowly; capacitors, for quickly discharging ...
Mar 18, 2022
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618
Electronics & Semiconductors
Ultrathin organic solar cell is efficient and durable
Scientists from the RIKEN, in collaboration with international partners, have succeeded in creating an ultrathin organic solar cell that is both highly efficient and durable. Using a simple post-annealing process, they created ...
Mar 9, 2020
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101
Engineering
Piezo composites with carbon fibers for motion sensors
An international research group has engineered a novel, high-strength flexible device by combining piezoelectric composites with unidirectional carbon fiber (UDCF), an anisotropic material that provides strength only in the ...
Dec 28, 2023
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82
Energy & Green Tech
High energy Li-Ion battery is safer for electric vehicles
A lithium-ion battery that is safe, has high power and can last for 1 million miles has been developed by a team in Penn State's Battery and Energy Storage Technology (BEST) Center.
Mar 4, 2020
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755
Energy & Green Tech
Powering AI could use as much electricity as a small country
Artificial intelligence (AI) comes with promises of helping coders code faster, drivers drive safer, and making daily tasks less time-consuming. But in a commentary published October 10 in the journal Joule, the founder of ...
Oct 10, 2023
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83
Energy & Green Tech
Flexible all-perovskite tandem solar cells with a 24.7% efficiency
Lightweight and flexible perovskites are highly promising materials for the fabrication of photovoltaics. So far, however, their highest reported efficiencies have been around 20%, which is considerably lower than those of ...
Engineering
Building efficient and thermally stable perovskite solar cells using Ti₃C₂TₓMXene
A new generation of cheap, sustainable and efficient solar cells is a step closer, thanks to scientists at The University of Queensland.
Oct 6, 2021
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190
Energy & Green Tech
Gradient Li-rich oxide cathode particles for batteries with minimum oxygen release
Lithium-rich transition metal oxide (Li1+XM1-XO2) cathodes have potential for use in Li-ion batteries, powering electronic devices and electric vehicles. These cathodes have a high energy density, typically above 900 Wh kg-1, ...
