Thanks for the effort ,but that's the awnser in every post about this question i am starting to feel like no one knows what really happens x) i would say i have a starter to meduim backgroundd on this (columb's law , redox reactions , nernst equation) so you can use more complicated terms or if you can or if you know a link or a subject to tcheck for this i searched all across the internet without any good result /: