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View Diary: Engineer on 787 electrical system fired for pointing out flaws (86 comments)

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  •  The small ones are often lithium cobalt (2+ / 0-)
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    wilderness voice, Timaeus

    It's the lightest per watt-hour, so cell phones use it.  They're small, though, so they don't create big explosions. Laptops may also have them, again to save weight.  Electric cars, though, use safer chemistries.

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