Is an electrically heated balloon lift support for AWES possible?

[Rodread]

Solar balloon jumping

A double envelope like this [Solar balloon double envelope] allows to keep better the heat, in such a way that from 0.9 N per cubed meter, the aerostatic lift becomes about 1.3 N per cubed meter. Assuming the double envelope balloon is a cylindrical Magnus rotor, the electrical motors used to rotate the balloon provide also some heat which is also better kept within the internal black envelope, and which adds some lift (a Peter Sharp’s good idea). If the volume is large enough, even a low aero…