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A comment on US Army deploys its first floating solar array. Parent comment

Re:US Army deploys its first floating solar array by chipsa on Friday June 17, 2022 @01:41PM (#31781644)
A big problem with that is energy density. Hydrocarbons are on the order of 50MJ/kg. Li-ion batteries are on the order of .5MJ/kg.
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Re:US Army deploys its first floating solar array by ncmncm on Friday June 17, 2022 @06:27PM (#31785231)
Lithium tech at this exact instant is not the end state of battery development.

So, not a big problem, a speed bump. Check back next year.

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