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Pacific Northwest National Laboratory

Carbon nanotubes pave the way for silicon in storage

Scientists in the United States have developed a carbon nanotube method of fabricating a lithium-ion battery with a silicon anode. The device reportedly demonstrated better than 87% capacity retention after 1,500 cycles. The developers say their discovery overcomes many of the obstacles to the use of silicon as an anode and could open up the use of other materials for electrodes in lithium-ion devices.

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A new battery mix to prevent dendrites

Scientists at the United States Pacific Northwest National Laboratory have discovered a root cause of dendrite formation, which can cause battery failure and even fires in lithium-ion technology. With this new knowledge, the group is now working on electrolyte recipes that eliminate dendrite growth entirely.

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Researching some cool new battery materials

Scientists from China and the United States have developed an additive for electrolyte materials they say could improve the operating temperature range for lithium-ion batteries, allowing them to operate down to minus 40 degrees Celsius without compromising performance at temperatures up to 60 degrees Celsius.

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