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Disorder improves battery life

A team of international researchers, led by TU Delft, found that introducing chemical short-range disorder into layered oxide materials used as cathode materials can significantly improve the stability and performance of lithium-ion batteries. This improvement results in a longer cycle life and shorter charging times for well-establish...

SourceDelft University of Technology·JournalNature·TypeRandomized controlled/clinical trial·DateMay 8, 2024

Innovative GREENSKY model elevates UAV efficiency in next-gen wireless networks

The GREENSKY model significantly enhances the energy efficiency of Unmanned Aerial Vehicles (UAVs) in cellular networks by optimizing charging behavior and routing processes. This results in a 9.1% reduction in energy consumption compared to traditional heuristic solutions.

SourceBeijing Institute of Technology Press Co., Ltd·JournalGreen Energy and Intelligent Transportation·TypeExperimental study·DateApr 23, 2024

The biggest barrier to a vibrant second-hand EV market? Price

A Rutgers study reveals that price is the biggest barrier to a vibrant second-hand EV market, with lower-income buyers often priced out of the market. The study suggests that increasing charging station availability and expanding subsidies could promote greater used EV uptake across income groups.

SourceRutgers University·JournalTransportation Research Part D Transport and Environment·DateApr 19, 2024

A flexible and efficient DC power converter for sustainable-energy microgrids

A new DC-DC power converter designed by Kobe University team offers superior voltage ratio, system stability, and simplicity, achieving an impressive efficiency of up to 98.3%. The device can efficiently interface with various energy sources, making it suitable for renewable energy integration and electric vehicle applications.

SourceKobe University·JournalIEEE Transactions on Power Electronics·TypeExperimental study·DateApr 18, 2024

New ways to fine tune electrochemistry

Researchers developed new techniques to study acid-base chemistry at electrified interfaces, revealing the impact of hydrophobic layers and electric fields. These findings offer opportunities for optimizing electrochemical processes and designing novel catalytic strategies.

SourceRuhr-University Bochum·JournalJournal of the American Chemical Society·TypeExperimental study·DateApr 11, 2024

Researchers improve reversibility and specific capacity of iron-based phosphate cathodes for Na-ion batteries

A new iron-based phosphate cathode material has been developed with improved reversible capacity and energy density, enabling fast-charge capability and superior cycling performance. The material uses a bi-phase intergrowth heterogeneous structure to activate the inert phase, achieving high capacity and long cycle life.

SourceChinese Academy of Sciences Headquarters·JournalJournal of the American Chemical Society·DateMar 28, 2024

Limitations and strategies towards high-performance red phosphorus materials for Li/Na-Ion batteries

The development of cost-effective and high-performance RP anode materials is crucial for LIBs/SIBs. Poor electrical conductivity and significant volume changes in RP compromise its cycling stability, leading to substantial electrode polarization and reaction kinetics issues.

SourceBeijing Institute of Technology Press Co., Ltd·JournalEnergy Material Advances·TypeSystematic review·DateMar 21, 2024

Fast-charging lithium-sulphur batteries on the horizon

Researchers at the University of Adelaide have developed a new nanocomposite electrocatalyst that enables lithium-sulphur batteries to achieve full charge/discharge in less than five minutes. This breakthrough has significant implications for high-performance battery systems and energy storage technologies.

SourceUniversity of Adelaide·JournalNature Nanotechnology·TypeExperimental study·DateMar 17, 2024

A breakthrough in all-solid-state battery technology, enhancing the performance of the lithium from the bottom

A research team developed an anode protection layer to prevent random electrodeposition of lithium, promoting stable 'bottom electrodeposition' and reducing unnecessary consumption. The breakthrough results in all-solid-state batteries with stable electrochemical performance over extended periods using ultrathin lithium metal anodes.

Revolutionizing lithium metal batteries: Asymmetric fire-retardant electrolytes ensure safety and stability

The development of asymmetric fire-retardant electrolytes in lithium metal batteries has shown significantly enhanced safety performance and cycling stability. The novel quasi-solid polymer electrolyte meets the stringent requirements of high-voltage LMBs, addressing safety concerns and improving overall battery performance.

SourceBeijing Institute of Technology Press Co., Ltd·JournalEnergy Material Advances·TypeExperimental study·DateFeb 19, 2024

Resting boosts performance of lithium metal batteries

Researchers at Stanford University have discovered that resting lithium metal batteries in the discharged state can restore capacity and boost overall performance. By reprogramming the battery management software, lost capacity can be recovered without additional cost or changes needed for equipment, materials, or production flow.

SourceStanford University·JournalNature·DateFeb 7, 2024

Incheon National University-Harvard University joint research team improves fuel cell durability with fatigue-resistant membranes

Researchers created a polymer electrolyte membrane with an interpenetrating network that enhances fatigue resistance and prolongs the lifespan of fuel cells. The composite membrane exhibits a lifespan of 410 hours, compared to 242 hours for the original Nafion membrane.

SourceIncheon National University·JournalAdvanced Materials·TypeExperimental study·DateFeb 6, 2024

New study finds “sweet spot” for length of yarn-shaped supercapacitors

Researchers at North Carolina State University found that yarn-shaped supercapacitors (YSCs) in the 40-60 centimeter range provide the best overall energy output. The study, which aimed to explain changes in YSC performance across a wide range of lengths, used mathematical models to determine the most efficient length for YSCs.

SourceNorth Carolina State University·JournalJournal of Power Sources·TypeExperimental study·DateFeb 6, 2024

Stable binder boosting sulfide solid electrolyte thin membrane for all-solid-state lithium batteries

Researchers have developed a new polymeric binder that enhances the mechanical strength and stability of sulfide solid electrolyte membranes. This breakthrough improves the energy density of all-solid-state lithium batteries, enabling longer cycle life and higher performance.

SourceBeijing Institute of Technology Press Co., Ltd·JournalEnergy Material Advances·TypeExperimental study·DateFeb 5, 2024

Major climate benefits with electric aircraft

Researchers found that small electric aircraft can have a notably lower climate impact – up to 60 percent less – and other types of environmental impacts than equivalent fossil-fuelled aircraft. The study also highlights the need for longer battery lifetimes and improved energy storage capacity to minimize mineral resource scarcity.

SourceChalmers University of Technology·JournalThe International Journal of Life Cycle Assessment·TypeData/statistical analysis·DateJan 23, 2024

Dirt-powered fuel cell runs forever

A new Northwestern University-led fuel cell harvests energy from microbes in soil to power underground sensors, potentially offering a sustainable alternative to batteries. The technology outlasts similar technologies by 120% and can operate in both wet and dry conditions.

SourceNorthwestern University·JournalProceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies·TypeExperimental study·DateJan 16, 2024

Architectures, opportunities, and challenges of Internet-of-batteries for electric Vehicles

The Internet-of-Batteries (IoB) system utilizes IoT principles to gather data from EV batteries, analyzing health and performance, identifying faults, and optimizing usage. Machine learning approaches enhance decision-making for improved battery performance, increased range, and reduced costs.

SourceGreen Energy and Intelligent Transportation·JournalGreen Energy and Intelligent Transportation·TypeExperimental study·DateJan 10, 2024

Using static electricity to enhance biomedical implant durability

A research team developed electrostatic materials capable of responding to weak ultrasound, generating static electricity for implantable neurological stimulators. The technology eliminates the need for batteries, reduces device size, and minimizes strain on the human body. Experimental validation confirms its effectiveness in animal m...

New material allows for better hydrogen-based batteries and fuel cells

Researchers have developed a solid electrolyte that allows for efficient hydride ion conduction at room temperature, enabling the creation of safer, more efficient hydrogen-based batteries and fuel cells. This breakthrough provides material design guidelines for the development of next-generation energy storage solutions.

SourceRIKEN·JournalAdvanced Energy Materials·DateDec 21, 2023

Quantum batteries break causality

Researchers from the University of Tokyo have developed a new way to charge quantum batteries using optical apparatuses and the phenomenon of indefinite causal order. This approach enables significant gains in energy storage and thermal efficiency, even with lower power chargers.

SourceUniversity of Tokyo·JournalPhysical Review Letters·TypeExperimental study·DateDec 14, 2023

Study on battery recycling shows China is in 1st place

A study by researchers from the University of Münster found that China will be able to meet its demand for primary lithium for electric vehicles through recycling as early as 2059, while Europe and the US will not achieve this until after 2070. Recycling is also expected to ensure China's need for cobalt by 2045 and nickel by 2046.

SourceUniversity of Münster·JournalResources Conservation and Recycling·TypeMeta-analysis·DateDec 8, 2023

Greener solution powers new method for lithium-ion battery recycling

Researchers at Oak Ridge National Laboratory have developed a new, efficient, and environmentally-friendly solution for lithium-ion battery recycling using organic citric acid. This approach recovers critical metals like cobalt and lithium, reduces pollution and reliance on foreign sources, and eliminates the need for hazardous chemicals.

SourceDOE/Oak Ridge National Laboratory·JournalEnergy Storage Materials·TypeExperimental study·DateNov 29, 2023