1. Seeing How a Lithium-Ion Battery Works

    Seeing How a Lithium-Ion Battery Works

    New observations by researchers at MIT have revealed the inner workings of a type of electrode widely used in lithium-ion batteries. The new findings explain the unexpectedly high power and long cycle life of such batteries, the researchers say. The findings appear in a paper in the journal Nano Letters co-authored by MIT postdoc Jun Jie Niu, research scientist Akihiro Kushima, professors Yet-Ming Chiang and Ju Li, and three others.

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  1. Quotes

    1. It was quite surprising when this [rapid charging and discharging rate] was first demonstrated.
    2. We directly observed a metastable random solid solution that may resolve this fundamental problem that has intrigued [materials scientists] for many years.
    3. In the last four years, there has been a big explosion of using such in situ TEM techniques to study battery operations.
    4. Compared to traditional lithium-ion, [lithium iron phosphate] is environmentally friendly, and very stable.
    5. Several models based on both theoretical and experimental work have been proposed.
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