3 ms·

Weight is also saved by using Oxygen instead of heavy metals to donate electrons. Using oxygen (Mr 16) over lead (Mr ~207) will be the main source of weight sav

Weight is also saved by using Oxygen instead of heavy metals to donate electrons. Using oxygen (Mr 16) over lead (Mr ~207) will be the main source of weight save.

natrius 14y ago
Li-ion batteries don't use lead.
ori_b 14y ago
I'd imagine that more weight is saved because all of the oxidant in the reaction is actively used, and you're not carrying plenty of it around hidden behind surfaces that prevent it from being part of the reaction.