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Degraded Electrodes Observed In Aging Batteries

Posted by timothy on from the taking-away-all-the-mystery dept.

schliz writes "Scientists have identified nanoscale changes in aging lithium-ion batteries that could be responsible for their degradation over time. By dissecting and examining dead batteries, they found that some lithium was irreversibly lost from the positive to negative electrode of dead batteries, and no longer participated in charging and discharging. They discovered that finely-structured nanomaterials on dead batteries' electrodes had coarsened in size, and theorise that the coarsening of the cathode may be responsible for the loss of lithium."

5 of 108 comments (clear)

  1. Planned obsolescence by EmagGeek · · Score: 2, Funny

    I thought that's the way they were engineered - to generate revenue by way of having to replace them annually.

    1. Re:Planned obsolescence by Anonymous Coward · · Score: 1, Funny

      I read it as

      Deranged Electrodes Observed In Aging Batteries

      I guess that's what happens when you get older and are bipolar.

    2. Re:Planned obsolescence by Anonymous Coward · · Score: 3, Funny

      We don't count Apple products in the realms of Progress.

  2. Re:Solar backup by isama · · Score: 2, Funny

    I woudn't google SlaveryExtreme if I were you.

  3. Re:Keyword slapping strategy. by Rogerborg · · Score: 2, Funny

    Yeah, I wish I'd had one of those fancy-pants "nanoscopes" to look at slides of fly wings and flower pollen when I was a lad - we had to make do with primitive "microscopes".

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