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132 Current news about the topic electrodes

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A new method to study lithium dendrites could lead to better, safer batteries

14-Jan-2020

Lithium ion batteries often grow needle-like structures between electrodes that can short out the batteries and sometimes cause fires. Now, an international team of researchers has found a way to grow and observe these structures to understand ways to stop or prevent their appearance. "It is ...

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Electric Cloth: Flexible, wearable supercapacitors based on porous nanocarbon nanocomposites

22-Oct-2019

Evening gowns with interwoven LEDs may look extravagant, but the light sources need a constant power supply from devices that are as well wearable, durable, and lightweight. Chinese scientists have manufactured fibrous electrodes for wearable devices that are flexible and excel by their high ...

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'Nanochains' could increase battery capacity, cut charging time

23-Sep-2019

How long the battery of your phone or computer lasts depends on how many lithium ions can be stored in the battery's negative electrode material. If the battery runs out of these ions, it can't generate an electrical current to run a device and ultimately fails. Materials with a higher lithium ...

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Nanoparticles in lithium-sulphur batteries detected with neutron experiment

09-Sep-2019

An HZB team has for the first time precisely analysed how nanoparticles of lithium sulphide and sulphur precipitate onto battery electrodes during the course of the charging cycle. The results can help increase the service life of lithium-sulphur batteries. Lithium-sulphur batteries are regarded ...

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Dangerous wild plant will be used in batteries

Scientists have turned hogweed into a material for a supercapacitor

28-Aug-2019

Hogweed, which has grown over vast territories of Russia, can be useful as a material for batteries. Scientists from NUST MISIS have investigated the possibilities of fibrous substances in the plant stems. They have turned them into electrodes -- elements of devices capable of storing energy. It ...

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Battery Production at Record Speed

06-Aug-2019

With a new coating process, researchers of Karlsruhe Institute of Technology (KIT) have produced electrodes for lithium-ion batteries at record speed. At the same time, the new process improves the quality of electrodes and reduces production costs. When producing electrodes for batteries, ...

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Economical energy storage for the electric car of tomorrow

Dry electrode coating technology allows environmentally friendly battery cell production

07-Jun-2019

Researchers at the Fraunhofer Institute for Material and Beam Technology IWS in Dresden have developed a new production process with the aim of efficient and environmentally friendly future battery production. They coat the electrodes of the energy storage cells with a dry film instead of liquid ...

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Applying precious metal catalysts economically

17-May-2019

Precious metal nanoparticles of platinum and gold are excellent catalysts. But they are expensive and rare. This new method makes it possible to save material. Researchers at Ruhr-Universität Bochum and the Fritz Haber Institute Berlin have developed a new method of using rare and expensive ...

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Electrode’s ‘hot edges’ convert CO₂ gas into fuels and chemicals

16-May-2019

A team of scientists has created a bowl-shaped electrode with 'hot edges' which can efficiently convert CO2 from gas into carbon based fuels and chemicals, helping combat the climate change threat posed by atmospheric carbon dioxide. The research team, from the University of Bath, Fudan ...

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3D tomographic imagery reveals how lithium batteries age

09-May-2019

Lithium batteries lose amp-hour capacity over time. Microstructures can form on the electrodes with each new charge cycle, which further reduces battery capacity. Now an HZB team together with battery researchers from Forschungszentrum Jülich, the University of Munster, and partners in China have ...

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