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17 Current news about the topic anodes

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Turbocharge for lithium batteries

11-Jun-2018

Lithium-ion batteries are the ultimate benchmark when it comes to mobile phones, tablet devices, and electric cars. Their storage capacity and power density are far superior to other rechargeable battery systems. Despite all the progress that has been made, however, smartphone batteries only last ...

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A water-based, rechargeable battery

Inexpensive and stable

11-Jan-2018

Water could form the basis for future, particularly inexpensive rechargeable batteries. Empa researchers have succeeded in doubling the electrochemical stability of water with a special saline solution. This takes us one step closer to using the technology commercially. In the quest to find ...

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Flipping the electron spin

Test procedure for developing quick-charging lithium-ion batteries

07-Dec-2017

When lithium-ion batteries are charged too quickly, metallic lithium gets deposited on the anodes. This reduces battery capacity and lifespan and can even destroy the batteries. Scientists at the Forschungszentrum Jülich and the Technical University of Munich (TUM) have now presented a process ...

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Inexpensive organic material gives safe batteries a longer life

21-Jun-2017

Modern batteries power everything from cars to cell phones, but they are far from perfect - they catch fire, they perform poorly in cold weather and they have relatively short lifecycles, among other issues. Now researchers from the University of Houston have described a new class of material ...

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Graphene-nanotube hybrid boosts lithium metal batteries

22-May-2017

Rice University scientists have created a rechargeable lithium metal battery with three times the capacity of commercial lithium-ion batteries by resolving something that has long stumped researchers: the dendrite problem. The Rice battery stores lithium in a unique anode, a seamless hybrid of ...

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Making batteries from waste glass bottles

Researchers are turning glass bottles into high performance lithium-ion batteries

21-Apr-2017

Researchers at the University of California, Riverside's Bourns College of Engineering have used waste glass bottles and a low-cost chemical process to create nanosilicon anodes for high-performance lithium-ion batteries. The batteries will extend the range of electric vehicles and plug-in hybrid ...

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New materials could turn water into the fuel of the future

08-Mar-2017

Researchers at Caltech and Lawrence Berkeley National Laboratory (Berkeley Lab) have--in just two years--nearly doubled the number of materials known to have potential for use in solar fuels. They did so by developing a process that promises to speed the discovery of commercially viable solar ...

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Tweaking electrolyte makes better lithium-metal batteries

03-Mar-2017

Scientists have found adding a pinch of something new to a battery's electrolyte gives the energy storage devices more juice per charge than today's commonly used rechargeable batteries. New, early-stage research shows adding a small amount of the chemical lithium hexafluorophosphate to a ...

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Battery research reaching out to higher voltages

Evonik Research Prize for lithium-ion battery test cell with separated electrodes

14-Dec-2016

For years, small rechargeable lithium-ion batteries have reliably supplied billions of portable devices with energy. But manufacturers of high-energy applications such as electric cars and power storage systems seek for new electrode materials and electrolytes. Michael Metzger, researcher at the ...

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Recharging on stable, amorphous silicon

12-Oct-2016

Next-generation anodes for lithium ion batteries will probably no longer be made of graphite. Silicon, which is a related material, can provide a much higher capacity than graphite, but its crystallinity poses problems. Chinese scientists have introduced a porous silicon form that is amorphous, ...

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