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Research extends the lifetime of molecules in organic flow batteries to practical values

Harvard researchers develop new method to extend the lifetime of organic molecules in organic aqueous flow batteries, improving their commercial viability. The approach works by periodically providing a shock to revive decomposed molecules, resulting in a net lifetime increase of up to 260 times.

Tailoring defects in hard carbon anode towards enhanced Na storage performance

Scientists designed novel hard carbon anodes with controlled defects, pore structures, and cation doping to boost sodium storage capacity. The optimized materials showed improved rate capability, cycling stability, and energy density. Introducing potassium ions regulated the microstructure and surface functionality of the anodes.

SourceBeijing Institute of Technology Press Co., Ltd·JournalEnergy Material Advances·TypeExperimental study·DateJun 8, 2022

Story tips: Tailor-made molecules, better battery electrolytes, beyond Moore’s Law and improving climate model accuracy

Researchers at Oak Ridge National Laboratory have made significant advancements in recovering rare earth metals, developing safer batteries, and enhancing material properties through tailored molecules and advanced microscopy. These discoveries could lead to more efficient clean energy technologies and reduced carbon impacts.

SourceDOE/Oak Ridge National Laboratory·JournalLangmuir·TypeExperimental study·DateJun 2, 2022

Chemists’ HAT trick for greener chemical synthesis

Researchers have found a way to perform hydrogen atom transfer reactions with fewer chemicals and less cost, making it more efficient for industrial and academic settings. The new method uses electrochemistry to create cobalt hydride catalysts, reducing the need for expensive oxidants and reductants.

SourceUniversity of Utah·JournalNature·TypeComputational simulation/modeling·DateMay 25, 2022

Researchers at the GIST uncover the key to safer energy storage devices

The study reveals significant information on the thermal properties of electric double-layer capacitors, which can help create safer and more reliable energy storage devices. The research team found that charging and discharging alter the heat capacity of EDLCs, leading to a decrease in capacitance.

SourceGIST (Gwangju Institute of Science and Technology)·JournalInternational Journal of Heat and Mass Transfer·TypeExperimental study·DateMay 9, 2022

The opto-ionic effect: Light may increase performance of fuel cells and lithium-ion batteries

Researchers have discovered the opto-ionic effect, where light increases the mobility of ions in ceramic materials, improving the performance of devices such as solid-state electrolytes in fuel cells and lithium-ion batteries. This effect could lead to higher charging speeds and more efficient energy conversion technologies.

SourceTechnical University of Munich (TUM)·JournalNature Materials·TypeExperimental study·DateMar 22, 2022

Disaggregate and rule: Optimizing power consumption estimation in commercial buildings

Researchers propose a disaggregation strategy to estimate power consumption of individual electrical facilities, improving accuracy over traditional methods. The new approach uses linear regression residuals and clustered daily routines to provide more accurate estimations for workdays and holidays.

SourceTokyo University of Science·JournalEnergy and Buildings·TypeComputational simulation/modeling·DateFeb 28, 2022

Super-elastic high-entropy Elinvar alloy discovered with potential for aerospace engineering

Researchers at City University of Hong Kong have discovered a super-elastic high-entropy Elinvar alloy that retains its stiffness even after being heated to 1000 K. The alloy's unique structure and chemical composition allow it to store a large amount of elastic energy, making it suitable for high-precision devices in aerospace enginee...

SourceCity University of Hong Kong·JournalNature·TypeExperimental study·DateFeb 9, 2022

Development of a lithium-air battery with an energy density over 500 wh/kg

Researchers at NIMS and Softbank Corp. have created a lithium-air battery with an energy density of over 500 Wh/kg, significantly higher than existing lithium-ion batteries. The new battery can be charged and discharged at room temperature, showcasing the highest energy densities and best cycle life performances achieved.

SourceNational Institute for Materials Science, Japan·JournalMaterials Horizons·TypeLiterature review·DateJan 20, 2022

Scientists develop a novel strategy for sustainable post-lithium-ion batteries

Researchers at the University of Bristol have developed high-performance sodium and potassium ion batteries using sustainably sourced cellulose. The new battery technology outperforms comparable systems and uses a sustainable material, offering great potential for large-scale applications in electric vehicles and energy storage grids.

SourceUniversity of Bristol·JournalAdvanced Functional Materials·TypeExperimental study·DateJan 5, 2022

Digital microscale electrochemical energy storage devices helps to build a fully connected and intelligent world

Researchers highlight importance of digital microscale electrochemical energy storage devices in building a fully connected and intelligent world. They discuss design principles, material selection, and fabrication processes for these devices, which are crucial for seamless integration with various electronic systems.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalACS Energy Letters·TypeCommentary/editorial·DateDec 15, 2021

Recently developed novel Li-conducting polymeric materials enabling superior lithium (Li) metal anodes

Researchers developed a novel lithium-containing crosslinked polymeric material, LiGL, which exhibits exceptional protection effects on lithium metal anodes. The material achieves superior cycling stability, even after over 20,000 Li-stripping/plating cycles without failures.

SourceBeijing Institute of Technology Press Co., Ltd·JournalEnergy Material Advances·TypeExperimental study·DateDec 6, 2021

Developing high-performance MXene electrodes for next-generation powerful battery

Scientists from City University of Hong Kong successfully developed battery-like electrochemical Nb2CTx MXene electrodes with stable voltage output and high energy density. The findings break the performance bottleneck of MXene devices, exhibiting superior rate capability, durable cyclic performance, and high energy density.

SourceCity University of Hong Kong·JournalJoule·TypeExperimental study·DateNov 18, 2021

Powering up next-generation energy storage

An international research team led by Jennifer L. Schaefer has analyzed the potential of magnesium-ion-conducting solid polymer electrolytes in two separate battery systems. The study found that these electrolytes exhibit higher thermal, mechanical, and electrochemical stability compared to traditional liquid electrolytes, making them ...

SourceBeijing Institute of Technology Press Co., Ltd·JournalEnergy Material Advances·TypeExperimental study·DateNov 17, 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

Towards affordable clean energy: Exploring new catalysts for urea-based fuel cells

Researchers at Korea Maritime and Ocean University have created a state-of-the-art catalyst for urea-based fuel cells using inexpensive nickel chalcogenides, outperforming precious metal-based catalysts. This breakthrough could lead to the widespread adoption of clean energy technologies in remote areas and beyond.

SourceNational Korea Maritime and Ocean University·JournalRenewable and Sustainable Energy Reviews·TypeExperimental study·DateOct 18, 2021

Light-induced shape shifting of MXenes

Researchers at the University of Konstanz have discovered that MXenes can be switched repeatedly between a flat and a rippled shape by applying femtosecond laser pulses. This discovery could lead to improved energy storage capacity, enhanced catalytic or antibiotic activity, and new applications in sensing and active plasmonic devices.

SourceUniversity of Konstanz·JournalACS Nano·DateSep 1, 2021