Hello Everyone,

I am currently optimizing the production process for the battery packs.

I would like to know how the great the increase in contact resistance with an aluminium oxide layer on the battery terminals?

I am going to use laser welding to bind the terminals together. If I file the terminal just before the welding to remove the top layer, will it make any difference? how quick is the passivation of aluminium?

Any literature would be very helpful. Is it possible to find out experimentally using the Impedance spectroscopy?

Thanks in advance.

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