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This simple process can make batteries charge faster and last longer

Energy efficiency has become one of the most important specs for smartphone components, because battery technology hasn’t been able to progress as quickly as things like flash memory and processors, and companies like Qualcomm have been forced to compensate for this when developing their chipsets. That’s why so many researchers are looking for ways to improve battery life, and a group of researchers from the Lawrence Livermore National Laboratory have found a way to do just that, as well as increase charging speeds, with a simple hydrogen treatment. 

Researchers at Lawrence Livermore National Laboratory have discovered lithium ion batteries can last longer and charge faster if their electrodes are treated with hydrogen. The breakthrough could lead to significant improvements in the performance of the batteries, which are commonly used in smartphones, digital cameras, electric cars and home energy storage systems. Batteries have positive and negative electrodes and electrons flow between them when the battery is providing electricity or being charged. In lithium ion batteries, the binding between lithium ions and the electrode material helps determine the performance of the battery. The Lawrence Livermore National Laboratory (LLNL) research focused on graphene electrodes and the scientists discovered that by treating them with hydrogen, defects in the graphene could be used to their advantage. Interaction of the two opened small gaps in the coating that mean better binding between the electrode and lithium ions, and that means better performance. Using their new electrodes, charging rates are up to 40 percent faster, said Morris Wang, one of the engineers who worked on the research. It is detailed in the Nov. 5 issue of Nature Scientific Reports.

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Written by Lorie Wimble

Lorie is the "Liberal Voice" of Conservative Haven, a political blog, and has 2 astounding children. Find her on Twitter.

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