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Search results for “Energy”

1,000+ results for "Energy"

A novel evaluation framework for energy neutrality potential of wastewater treatment plants

Researchers propose a novel evaluation framework to assess energy neutrality in wastewater treatment plants, integrating energy efficiency and recovery. The study evaluated 970 plants in the Yangtze River Economic Belt, identifying 98 energy benchmark plants and 112 fully energy self-sufficient facilities.

SourceHigher Education Press·JournalFrontiers of Environmental Science & Engineering·TypeData/statistical analysis·DateFeb 17, 2022

Solar energy means the sun’ll come out tomorrow for cost-effective decarbonization, Surrey expert demonstrates

A University of Surrey expert emphasizes the economic case for solar energy, citing IRENA data that shows 61% of US coal capacity costs more to operate than building new renewables. Retiring uneconomic coal plants and replacing them with renewables can save significant costs and reduce emissions.

SourceUniversity of Surrey·JournalEnergy & Environmental Materials·TypeCommentary/editorial·DateFeb 1, 2022

Chemical reactions enhance efficiency of key energy storage method, OSU research shows

A study by Oregon State University has discovered a method to enhance the round-trip efficiency of compressed air energy storage, which could be crucial for renewable energy. The researchers developed a thermochemical energy storage scheme that captures heat in chemical bonds, resulting in a higher energy density and improved performance.

SourceOregon State University·JournalEnergy Conversion and Management·TypeComputational simulation/modeling·DateJan 5, 2022

All in a day’s work

Researchers compared the energetic strategies of humans and great apes, finding that humans are less efficient at acquiring food due to their high-intensity activities. However, this inefficiency is compensated by a higher return rate on energy investment, making human subsistence strategies successful.

A seemingly unattainable energy transition

Scientists have made a groundbreaking discovery by exciting an unattainable energy transition in an artificial atom using laser light. The radiative Auger process allowed them to stimulate electrons to emit energy and transfer it to another electron, achieving a seemingly impossible transition.

SourceRuhr-University Bochum·JournalNature Communications·DateNov 24, 2021

Prize-winning technology for large-scale energy storage

Researchers at Linköping University have developed a concept for large-scale energy storage that is safe, cheap and sustainable. The technology uses wood-based electrodes and a new type of water-based electrolyte, achieving a world record for energy storage with organic electrodes in water-based electrolytes.

SourceLinköping University·JournalAdvanced Energy and Sustainability Research·TypeExperimental study·DateNov 18, 2021

100% renewable energy using building science

Researchers found that combining resource diversification, excess generation, building efficiency, and demand flexibility can reduce or eliminate long-duration energy storage in some regions. This approach enables the achievability of a fully renewable system with technology building blocks accessible today.

SourceAmerican Institute of Physics·JournalJournal of Renewable and Sustainable Energy·DateNov 3, 2021

NREL researchers point toward energy efficiency instead of long-term storage

Researchers found that incorporating energy efficiency measures can minimize long-duration storage, reducing the need for renewable resources. By optimizing mix of renewables, oversized generation capacities, and energy efficiency investments, achieving 100% renewable energy becomes more achievable and cost-effective.

SourceDOE/National Renewable Energy Laboratory·JournalRenewable Energy and Environmental Sustainability·DateNov 2, 2021

Tribocatalysis: challenges and perspectives

Researchers have been exploring tribocatalysis as an alternative clean energy technology. The process converts mechanical energy into electrical energy through the triboelectric effect, with potential applications in material synthesis and energy conversion. Further research is needed to fully develop this promising field.

SourceScience China Press·JournalScience China Chemistry·DateOct 21, 2021

Human behavior sabotages CO2-reducing strategies

A new study by University of Utah researchers found that energy efficiency improvements and renewable energy investments had limited impact on reducing CO2 emissions. However, policies aimed at improving energy efficiency had no effect, while investment in renewable energy sources led to increased levels of CO2 emissions in the residen...

SourceUniversity of Utah·JournalGlobal Environmental Change·TypeData/statistical analysis·DateSep 29, 2021

HKUST researchers develop a photo-rechargeable lead-free perovskite lithium-ion battery that generates energy and stores battery on a single device

A team of HKUST researchers has developed a low-cost, lightweight, and non-toxic battery that can harness solar energy and store it in a single device. The battery uses a lead-free perovskite material that absorbs light to generate charges, offering a promising solution for sustainable energy storage.

New insights into how daily energy expenditure changes over the human lifespan

A new study documents distinct changes in daily energy expenditure throughout the human lifespan, from birth to old age. The research, based on a large cohort of humans, reveals that energy expenditure varies significantly across life stages, with rapid increases during infancy and childhood, followed by a plateau through adulthood.

Scientists detect characteristics of the birth of a major challenge to harvesting fusion energy on Earth

Researchers have detected the birth and growth phases of high-energy runaway electrons in tokamaks, which can cause damage to the machines. The new diagnostic tool enables scientists to understand the energy content of the plasma and potentially prevent the electrons' damage.

SourceDOE/Princeton Plasma Physics Laboratory·JournalReview of Scientific Instruments·TypeExperimental study·DateAug 10, 2021

Scholars gauged energy inequality among Eurasian Economic union member states

The study found that energy intensity significantly drove electricity consumption growth in the EAEU, with Kazakhstan and Russia contributing to increased energy consumption. Armenia and Belarus showed a decrease in energy intensity due to declining fossil fuel consumption and green energy development.

SourceNational Research University Higher School of Economics·JournalRenewable and Sustainable Energy Reviews·DateJul 30, 2021

Study shows cities can consider race and income in household energy efficiency programs

A new study provides fine-grained methods for measuring income and racial disparities in energy use intensity. The research found that households in low-income non-white neighborhoods report higher energy use intensity, reflective of lower energy efficiency and lower participation in rebate programs. Cities can now apply this method to...

SourcePrinceton University, Engineering School·JournalProceedings of the National Academy of Sciences·DateJun 7, 2021

Hybrid redox-flow battery with a long cycle life

A team of researchers from the University of Freiburg has developed a non-aqueous All-Manganese Flow battery with a long cycle life, achieving an energy density roughly twice that of previous batteries. The new design uses sustainable manganese as its active material and has shown promising results for stationary energy storage.

SourceUniversity of Freiburg·JournalAdvanced Energy Materials·DateMay 31, 2021

Surpassing the lower limit on computing energy consumption

Researchers have found that using topological insulators in transistors could reduce switching energy by half and the overall energy used by each transistor by a factor of four. This breakthrough could lead to substantial reductions in computing energy consumption, as the industry continues to strive for sustainable technologies.

Headline: How energy modelling influences policymaking and vice versa

A new study reveals that energy models play a significant role in shaping the energy transition, influencing policy decisions and informing energy futures. Policymakers are increasingly relying on modeling outputs to define energy and climate targets, while researchers demand greater transparency to protect model credibility.