Flexible pseudocapacitor defies climate extremes, packs energy punch

Areal capacitance of the device at different operational temperatures. Credit: Wiley-VCH In today’s rapidly evolving technological landscape, the demand for reliable energy storage solutions has never been greater. With our reliance on electronic devices growing, especially in aviation, space exploration, and satellite operations, the need for energy storage that can withstand extreme temperatures is paramount. […]

Microcapacitors with ultrahigh energy and power density could power chips of the future

Microcapacitors made with engineered hafnium oxide/zirconium oxide films in 3D trench capacitor structures—the same structures used in modern microelectronics—achieve record-high energy storage and power density, paving the way for on-chip energy storage. Credit: Nirmaan Shanker/Suraj Cheema In the ongoing quest to make electronic devices ever smaller and more energy efficient, researchers want to bring energy […]

A strategy to boost the efficiency of perovskite/organic solar cells

Device structure and cross-sectional scanning electron microscopy image of the perovskite/organic TSCs. Credit: Zhang et al. In recent years, researchers have been experimenting with a wide range of solar cell designs in the hope of facilitating their widespread deployment. Organic solar cells based on perovskite materials have been found to exhibit various advantages over conventional […]

New circuit boards can be repeatedly recycled

A team led by researchers at the University of Washington developed a new PCB that performs on par with traditional materials and can be recycled repeatedly with negligible material loss. Researchers used a solvent that transforms a type of vitrimer—a cutting-edge class of polymer—into a jelly-like substance without damage, allowing solid components to be plucked […]

Researchers increase storage, efficiency and durability of capacitors

Design of multilayer capacitor according to design rules for optimizing the breakdown field and energy storage capacity in the BZT/BST multilayer system. Credit: Advanced Materials (2024). DOI: 10.1002/adma.202402070 Pacemakers, defibrillators, radar technology and electric vehicles all need electrical components called capacitors that can store and release a lot of energy in a matter of a […]

Rubber-like stretchable energy storage device fabricated with laser precision

Highly deformable MSC. Credit: POSTECH Researchers have achieved a significant breakthrough in developing a small-scale energy storage device capable of stretching, twisting, folding, and wrinkling. Their study is published in the journal npj Flexible Electronics. The advent of wearable technology has brought with it a pressing need for energy storage solutions that can keep pace […]

A simple ‘twist’ improves the engine of clean fuel generation

Credit: University of Cambridge Researchers have found a way to super-charge the ‘engine’ of sustainable fuel generation—by giving the materials a little twist. The researchers, led by the University of Cambridge, are developing low-cost light-harvesting semiconductors that power devices for converting water into clean hydrogen fuel, using just the power of the sun. These semiconducting […]

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