191–200 of 238 posts
https://en.wikipedia.org/wiki/Hydraulic_hybrid_vehicle
There's a retrofit for garbage trucks that pays for itself in 2 years, or you can buy them new.
http://www.govtech.com/transportation/Hybrid-Garbage-Miami-D...
I was quite excited by compressed air storage when Lightsail came into the picture almost 5-7 years ago. Sadly, they could not make the economics work and ended up pivoting into a company that sells carbon fibre tanks for high-pressure storage. As someone who follows the energy space closely, Lithium ion batteries now have so much momentum and $$$ pumped into them via R&D work, it's going to be hard for competing ene…
>As someone who follows the energy space closely, Lithium ion batteries now have so much momentum and $$$ pumped into them via R&D work, it's going to be hard for competing energy storage technologies to catch up. Flywheel and hydrogen fuel-cell also often come up but I think we're at a point now where batteries are going to take off simply because of their wide area of applicability. With that economy of scale costs…
Earlier quoted context omitted.
What gives you that impression? Insulation is cheap, effective, and very compact. And it's easy to transfer heat quickly, also (either via injecting lots of cold extinguisher or flush lots of hot oxidizing gas)? Cool, thanks for the update on flywheels. I ... am not trying to create a false dilemna, here. Fuel cells for stranded methane deposits are great. Flywheels have outstanding responsiveness and energy density.…
Except we've had a carbon free baseload tech for decades now.
And anyway, you tried to be too clever. I said "non-renewable" and not "carbon free" just to avoid this conversation. Unless you can start synthesizing utility grade quantities of well-behaved fissile material at a net energy surplus then it's not renewable even if we have decades/centuries of supply.
I was quite excited by compressed air storage when Lightsail came into the picture almost 5-7 years ago. Sadly, they could not make the economics work and ended up pivoting into a company that sells carbon fibre tanks for high-pressure storage. As someone who follows the energy space closely, Lithium ion batteries now have so much momentum and $$$ pumped into them via R&D work, it's going to be hard for competing ene…
>As someone who follows the energy space closely, Lithium ion batteries now have so much momentum and $$$ pumped into them via R&D work, it's going to be hard for competing energy storage technologies to catch up. Flywheel and hydrogen fuel-cell also often come up but I think we're at a point now where batteries are going to take off simply because of their wide area of applicability. With that economy of scale costs…
Earlier quoted context omitted.
What gives you that impression? Insulation is cheap, effective, and very compact. And it's easy to transfer heat quickly, also (either via injecting lots of cold extinguisher or flush lots of hot oxidizing gas)? Cool, thanks for the update on flywheels. I ... am not trying to create a false dilemna, here. Fuel cells for stranded methane deposits are great. Flywheels have outstanding responsiveness and energy density.…
Batteries don't like insulation, in fact preferring active cooling. Which is itself a good thermal-runaway damper, to speak to the second sentence of your second paragraph.
Earlier quoted context omitted.
For home use you also have to consider that you're basically making a bomb every time you store energy in the thing.
Any kind of high-density energy storage is basically a bomb. If you charge or discharge Lithium polymer or lithuium ion batteries "wrong" they explode too. I wouldn't want to be near a flywheel that stores 360 Wh of energy when it breaks.
I'm not sure they ever explode in a bomb like way?
Earlier quoted context omitted.
Except we've had a carbon free baseload tech for decades now.
It's kind of bizarre how nuclear had achieved a sort of counterculture renaissance. It has many, many drawbacks too numerous to go into here that are technical and sociological in nature. And anyway, you tried to be too clever. I said "non-renewable" and not "carbon free" just to avoid this conversation. Unless you can start synthesizing utility grade quantities of well-behaved fissile material at a net energy surplu…
Someday, even the Sun will run out of fuel. In the long run, we are all dead - unless someone figures out how to reverse entropy.
Earlier quoted context omitted.
>As someone who follows the energy space closely, Lithium ion batteries now have so much momentum and $$$ pumped into them via R&D work, it's going to be hard for competing energy storage technologies to catch up. Flywheel and hydrogen fuel-cell also often come up but I think we're at a point now where batteries are going to take off simply because of their wide area of applicability. With that economy of scale costs…
It would really be something if that miniature nuclear reactor NASA tested ended up being viable for cars, realizing one of the dreams from the early nuclear age.
Earlier quoted context omitted.
For home use you also have to consider that you're basically making a bomb every time you store energy in the thing.
Any kind of high-density energy storage is basically a bomb. If you charge or discharge Lithium polymer or lithuium ion batteries "wrong" they explode too. I wouldn't want to be near a flywheel that stores 360 Wh of energy when it breaks.