Forum Discussion
BenK
Jan 15, 2018Explorer
Current battery technology has it UNABLE to accept the re-generative braking power fast enough to be truly braking. Just slowing down...
It can be made to if enough batteries were in parallel, but then the banks of batteries would weigh too much.
Capacitor batteries can accept re-generative braking power fast enough...but the controllers are NOT big enough yet (in current capacity)
I know of no other electrical battery IP that can as yet. Have seen mechanical inbetween stuff. Like a high speed fly wheel that captures the re-generative braking to speed up the fly wheel...to then become a generator to charge the batteries over time, but that becomes a maintenance & weight issue
Start/stop has the ICE move into the most wear cycle of its life time...start when the crank journal bearings are touching the crank journals. Metal on metal...dependent on how long it is stopped vs engine oil PSI bleed off to zero. Ditto other ICE moving parts (CAM, rockers, rollers, cylinder wall to rings, etc). Why engine oil film strength critical in managing dry starts from an off period.
Battery technology will continue to be the throttle on both all electric: cars and working trucks for the public. Commercial/utility/government/etc usage has other attributes available to them that is not available to the publlic
Hybrids makes the most sense for the time till battery technology comes through. Hybrid Locomotive is a good example. Steel on steel wheeled has the lowest rolling resistance known, but they have not found a decent on board battery to run 100% electric yet.
It can be made to if enough batteries were in parallel, but then the banks of batteries would weigh too much.
Capacitor batteries can accept re-generative braking power fast enough...but the controllers are NOT big enough yet (in current capacity)
I know of no other electrical battery IP that can as yet. Have seen mechanical inbetween stuff. Like a high speed fly wheel that captures the re-generative braking to speed up the fly wheel...to then become a generator to charge the batteries over time, but that becomes a maintenance & weight issue
Start/stop has the ICE move into the most wear cycle of its life time...start when the crank journal bearings are touching the crank journals. Metal on metal...dependent on how long it is stopped vs engine oil PSI bleed off to zero. Ditto other ICE moving parts (CAM, rockers, rollers, cylinder wall to rings, etc). Why engine oil film strength critical in managing dry starts from an off period.
Battery technology will continue to be the throttle on both all electric: cars and working trucks for the public. Commercial/utility/government/etc usage has other attributes available to them that is not available to the publlic
Hybrids makes the most sense for the time till battery technology comes through. Hybrid Locomotive is a good example. Steel on steel wheeled has the lowest rolling resistance known, but they have not found a decent on board battery to run 100% electric yet.
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