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Modeling the system for hybrid renewable energy using highly efficient converters and generator

The paper proposes a novel method for modeling hybrid renewable energy systems using high-efficiency converters and generators. The research results show that the front-end converter is suitable for isolating sources from loads and enhancing DC bus voltage, with simple control algorithms and reduced switching losses.

SourceCES Transactions on Electrical Machines and Systems·JournalCES Transactions on Electrical Machines and Systems·TypeComputational simulation/modeling·DateNov 5, 2024

Leveraging machine learning to find promising compositions for sodium-ion batteries

A team of scientists leveraged machine learning to find promising compositions for sodium-ion batteries, achieving exceptional energy density. The study trained a model on a database of 100 samples to predict the optimal ratio of elements needed to balance properties like operating voltage and capacity retention.

SourceTokyo University of Science·JournalJournal of Materials Chemistry A·TypeExperimental study·DateNov 5, 2024

The Lancet: Health threats of climate change reach record-breaking levels, as experts call for trillions of dollars spent on fossil fuels to be redirected towards protecting people’s health, lives and livelihoods

The Lancet's Countdown report reveals record-breaking human costs of climate change, including heat-related deaths increasing by 167% globally in 2023. The report calls for trillions of dollars spent on fossil fuels to be redirected towards protecting people's health and lives.

SourceThe Lancet·JournalThe Lancet·TypeData/statistical analysis·DateOct 29, 2024

New AI model could make power grids more reliable amid rising renewable energy use

Researchers developed an AI model that addresses uncertainties in renewable energy generation and electric vehicle demand, making power grids more reliable. The model uses multi-fidelity graph neural networks to optimize solutions within seconds, improving grid performance even under unpredictable conditions.

SourceUniversity of Virginia School of Engineering and Applied Science·JournalElectric Power Systems Research·TypeComputational simulation/modeling·DateOct 24, 2024

Towards zero-emissions by fuel-flexible technologies – New Finnish consortium brings cleaner solutions to marine and off-road transport

The Flexible Clean Propulsion Technologies project aims to develop innovative clean solutions for maritime transport and off-road machinery, reducing greenhouse gas emissions by up to 100% through the use of zero- and low-carbon fuels. The consortium brings together key players in Finland and international partners to shape the future ...

Harnessing vibrations: RPI-engineered material generates electricity from unexpected source

Researchers at Rensselaer Polytechnic Institute developed a polymer film infused with a special chalcogenide perovskite compound that produces electricity when squeezed or stressed. The material has shown promising results, including powering LED lights and potentially being used in machines, infrastructure, and biomedical applications.

SourceRensselaer Polytechnic Institute·JournalNature Communications·TypeExperimental study·DateOct 17, 2024

Study highlights complex ocean conditions facing world’s most powerful tidal turbine

Researchers used aerial drone technology and boat-based surveys to map complex tidal flows around the world's most powerful tidal turbine, O2. The study provides new insights into optimal turbine placement and site-specific assessments to address uncertainties surrounding interactions with marine habitats and environments.

SourceUniversity of Plymouth·JournalNature Communications·TypeSurvey·DateSep 27, 2024

How Ukraine can rebuild its energy system

Researchers have identified Ukraine's renewable potential as exceeding the generation capacity destroyed during the war. The study recommends developing a distributed power supply system and investing in solar and wind energy, particularly in the south and east of the country.

SourceETH Zurich·JournalJoule·DateSep 18, 2024

New battery technology could boost renewable energy storage

Researchers have created a new electrolyte that enhances the energy density and power density of intermediate-temperature K/Na/S batteries, enabling them to operate at lower temperatures while achieving maximum possible energy storage capacity. This breakthrough could provide a stable and reliable power supply from renewable sources.

GIST researchers develop new defect passivation strategy for perovskite solar cells

A team of GIST researchers developed a new defect passivation strategy for polycrystalline perovskites, leading to improved power conversion efficiency and long-term operational stability. The strategy uses a chemically identical polytype of perovskite to suppress defects in the crystal structure.

SourceGIST (Gwangju Institute of Science and Technology)·JournalNature Communications·TypeExperimental study·DateSep 10, 2024

Rare earth single atoms enhance manganese oxide's electrochemical oxygen evolution

Researchers at Tohoku University developed a novel approach to enhance the efficiency of the oxygen evolution reaction by introducing rare earth single atoms into manganese oxide. This leads to unprecedented improvements in OER performance, making it a suitable alternative to traditional catalysts like ruthenium dioxide.

Renewable energy policies provide benefits across state lines

Researchers examined how clean energy policies affect neighboring states and found that stronger policies lead to more renewable electricity generation. The study suggests that individual state policies are more effective than previously thought, and that geographical proximity plays a significant role in spillover effects.

SourceGeorgia Institute of Technology·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateAug 20, 2024

Climate reporting standards insufficient, must be expanded, say Oxford net zero experts

A new study by the University of Oxford recommends expanding climate reporting standards to capture companies' wider impact on global net zero. This includes their product power, purchasing power, and political influence. The goal is to incentivize systemic change through products, purchases, and policy lobbying.

SourceTaylor & Francis Group·JournalCarbon Management·TypeCommentary/editorial·DateAug 14, 2024

Pennsylvania policymakers underestimate public support for solar projects, survey says

A survey of Pennsylvanians and policymakers reveals bipartisan support for solar energy and other renewables, but elected officials underestimate their constituents' preferences. The study highlights the need for clear communication between the public and local representatives to ensure informed decision-making about energy projects.

SourcePrinceton University, Engineering School·JournalNature Energy·TypeSurvey·DateAug 5, 2024

Chung-Ang University study reveals a way to enhance the efficiency of perovskite solar cells

Researchers at Chung-Ang University have discovered an additive that enhances the efficiency of perovskite solar cells, resulting in a record-breaking 12.22% efficiency. The additive, 4-phenylthiosemicarbazide, improves stability and reduces defects, paving the way for more accessible and long-lasting solar panels.

SourceChung Ang University·JournalAdvanced Energy Materials·TypeExperimental study·DateJul 30, 2024

ISU studies explore win-win potential of grass-powered energy production

A research team at Iowa State University is studying how to efficiently turn harvested grass into lucrative renewable natural gas, creating wins for farmers, businesses, municipalities, and society. The analysis finds that renewable natural gas is the most economically practical focus, with a lower carbon footprint compared to traditio...

SourceIowa State University·JournalGCB Bioenergy·TypeData/statistical analysis·DateJul 26, 2024

KTU scientists’ innovation for indoor solar cells can maximize the use of light energy

Researchers at Kaunas University of Technology (KTU) develop materials to improve indoor photovoltaic cells, generating electricity even in low-intensity light. The innovation utilizes Internet of Things technologies to efficiently regulate device operation and optimize energy consumption.

SourceKaunas University of Technology·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateJul 25, 2024

Chung-Ang University researchers study real-time electricity pricing model to enhance power grid balance

A new study proposes a predictive home energy management system with a customizable bidirectional real-time pricing mechanism to promote residential demand response and reduce peak loads. The system enhances user comfort and accuracy of forecasting, while also providing cost savings.

SourceChung Ang University·JournalIEEE Internet of Things Journal·TypeComputational simulation/modeling·DateJul 24, 2024

GIST researchers develop novel electrode for improving flowless zinc-bromine battery

Researchers at Gwangju Institute of Science and Technology developed a novel nitrogen-doped mesoporous carbon-coated thick GF electrode to suppress the crossover phenomenon in flowless zinc-bromine batteries. The new electrodes effectively prevented self-discharge, improving battery performance and lifespan.

SourceGIST (Gwangju Institute of Science and Technology)·JournalChemical Engineering Journal·TypeExperimental study·DateJul 18, 2024

Illinois clean energy transition excludes key constituents in energy justice equation

A recent study from the University of Illinois suggests that Illinois' clean energy transition has led to a lack of equity in the distribution of renewable power benefits. The state prioritized historically marginalized communities but failed to consider the burdens on rural, white communities, resulting in perceived injustices and opp...