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A comment on 94-year-old Lithium-Ion Battery Inventor Introduces Solid State Battery. Parent comment

Re:94-year-old Lithium-Ion Battery Inventor Introduces Solid... by jimrandomh on Thursday March 02, 2017 @07:35PM (#13779777)
The grandparent comment says that it's 2.5x heavier for the same energy. So 1/2.5x the energy density.
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