24 Sep '14, 10am

Rapid charging not as damaging as first thought, new study finds: Good news for all you #EV dri…

Rapid charging not as damaging as first thought, new study finds: Good news for all you #EV dri…

Fast charging electric cars might not be as bad for their lithium ion battery packs as first feared according to a new study. Researchers at Stanford University and the Stanford Institute for Materials & Energy Sciences (SIMES) found that the benefits of slow draining and charging compared to rapid charging, have been overestimated when it comes to limiting the damage to battery electrodes over time. Taking several small coin cell batteries, the research team charged them at different levels of current for various periods of time and then X-rayed them to examine the damage to the battery. The scientists found that the speed of charging had less of an impact on the battery than first feared, but they did find that there may be a way modify electrodes within battery packs in order to promote more uniform charging and discharging to extend battery life. This would require the...

Full article: http://www.thegreencarwebsite.co.uk/blog/index.php/2014/0...

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Report: Fast charging your EV might not be as bad as predicted

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