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greenman3610 (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 05:23 PM Original message |
Unprecedented Efficiency in Photoelectrochemical Production of Hydrogen from Water: 42% |
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wtmusic (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 05:27 PM Response to Original message |
1. Hmm |
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Nederland (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 05:33 PM Response to Reply #1 |
4. The best solar cells are ~25% efficient |
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Uncle Joe (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 06:18 PM Response to Reply #4 |
7. Just speculating here, but what if you combined aspects of a telescope/microscope with solar panels, |
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tridim (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 07:18 PM Response to Reply #7 |
11. That's exactly how parabolic reflectors work |
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Uncle Joe (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 07:25 PM Response to Reply #11 |
12. Thanks for the reply tridim, |
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liberaldemocrat7 (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 07:27 AM Response to Reply #12 |
28. I can name a fuel you don't have to drill for that you can use for cars. |
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wtmusic (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 09:21 PM Response to Reply #7 |
17. It would help power/weight, but power to area would be unchanged |
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TheWraith (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 02:32 AM Response to Reply #7 |
23. No, it wouldn't. |
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rman (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 11:02 AM Response to Reply #7 |
29. you'd still need a broad area of mirrors, as is being done: |
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conscious evolution (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 07:37 PM Response to Reply #4 |
13. About 60 watts per square meter of collector |
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TheWraith (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 02:36 AM Response to Reply #13 |
24. True, but that has its own problems. |
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conscious evolution (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 06:43 AM Response to Reply #24 |
25. It could probably be sent back via microwave |
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w4rma (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 02:19 AM Response to Reply #4 |
22. Except for cost, which will come down as manufacturing is innovated, there is no reason |
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ChairmanAgnostic (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 07:21 AM Response to Reply #1 |
27. but you can STORE hydrogen for nighttime use. |
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leveymg (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 05:27 PM Response to Original message |
2. Wow - I remember in '83 when this process was discovered - 2% efficiency |
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WannaJumpMyScooter (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 05:29 PM Response to Reply #2 |
3. Same reason marijuana is illegal... |
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Demeter (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 05:50 PM Response to Original message |
5. The Point Is Producing Hydrogen for Storage of Energy |
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tridim (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 06:10 PM Response to Reply #5 |
6. What's the efficiency of crude oil -> refining -> combustion -> exhaust? |
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OxQQme (694 posts) Send PM | Profile | Ignore | Mon Dec-04-06 06:27 PM Response to Reply #6 |
9. Not to mention |
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Leopolds Ghost (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 08:03 PM Response to Reply #9 |
14. Do these people realize that electrolysis is an energy-consuming process? |
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rman (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 02:17 AM Response to Reply #9 |
21. crops? |
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Demeter (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 06:49 PM Response to Reply #6 |
10. I Prefer Wind and Water, Myself |
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berni_mccoy (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 06:22 PM Response to Reply #5 |
8. Using Hydrogen as a capacitor... interesting. |
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Leopolds Ghost (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 08:06 PM Response to Reply #5 |
15. In other words, people are obsessed with finding a way to keep their cars running |
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Demeter (1000+ posts) Send PM | Profile | Ignore | Mon Dec-04-06 08:27 PM Response to Reply #15 |
16. The Trick Is to Use Appropriate Technology |
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Canuckistanian (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 12:25 AM Response to Reply #16 |
18. Yours is about the most sensible plan I've ever heard |
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Demeter (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 07:12 AM Response to Reply #18 |
26. Thanks for your kind words. |
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wtmusic (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 11:53 AM Response to Reply #16 |
30. "The electric car is a dream"? |
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greenman3610 (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 01:36 AM Response to Reply #5 |
19. Imagine every Mall parking lot and roof |
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rman (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 02:16 AM Response to Reply #5 |
20. this is "Photoelectrochemical" - no need for photocells |
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AntiFascist (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 04:52 PM Response to Original message |
31. I believe it has already been demonstrated that.... |
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buddysmellgood (1000+ posts) Send PM | Profile | Ignore | Tue Dec-05-06 05:11 PM Response to Reply #31 |
32. Why would't we just use the electricity? Would these plants be remote and the Hydrogen |
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AntiFascist (1000+ posts) Send PM | Profile | Ignore | Wed Dec-06-06 03:13 AM Response to Reply #32 |
33. Much of it could via cables.... |
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Home » Discuss » Archives » General Discussion (01/01/06 through 01/22/2007) |
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