Re:Chipmaker Analog Devices to acquire Maxim Integrated for ...
by keefe8 on Monday July 13, 2020 @09:44PM
(#23827665)
> The resistance of a 400 volt, 250 Ah NiMH battery is around 180 milliohms. The same battery built with venerable NCR18650Bs (original model S) is 68 milliohms. That's a full 7x improvement
Power dissipated by resistance is only linearly (not quadratically) related to resistance when current is relatively fixed: P=(I^2)R. So reducing the parasitic resistance from 180mΩ to 68mΩ is only a 2.6x improvement, albeit still quite significant.
Power dissipated by resistance is only linearly (not quadratically) related to resistance when current is relatively fixed: P=(I^2)R. So reducing the parasitic resistance from 180mΩ to 68mΩ is only a 2.6x improvement, albeit still quite significant.