The chemistry from holding that last 20% of charge for a while is what causes the degradation. The BMS can tell the system to stop charging before it’s full but it can’t do anything itself to prevent the cell from slowly being degraded by full charging.
This is is a problem that occurs on the order of years and that’s why the EV companies care but phones historically don’t. More easily replaceable batteries is the real solution here, not software stopping you from fully charging.
It is not the “real solution”. Increasing the battery longevity is much more sustainable than regularly replacing the battery, and is therefore the most rational and responsible course of action.
The chemistry from holding that last 20% of charge for a while is what causes the degradation. The BMS can tell the system to stop charging before it’s full but it can’t do anything itself to prevent the cell from slowly being degraded by full charging.
This is is a problem that occurs on the order of years and that’s why the EV companies care but phones historically don’t. More easily replaceable batteries is the real solution here, not software stopping you from fully charging.
It is not the “real solution”. Increasing the battery longevity is much more sustainable than regularly replacing the battery, and is therefore the most rational and responsible course of action.