Wireless charger by coil VS aluminum box

Hi

I would ask you for an opinion about my project.
I want to make charger by coil like this:

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Whether it will work well if the box is made of aluminum?

No it wont work.

If you have a coil wound like you show and power applied or even a strong magnet handy try waving a piece of aluminum over the top of the magnet face and see what happens.

Pete.