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Old 04-10-2006, 19:25   #286
Registered User
Profile:  Location: Hawaii
Boat: C&C Landfall 48
Posts: 54
Hay Canibul,
I used to make conventional solar panels, been a few years though but here is some of the info I have so far. I have spoken and E-mailed (see below) to these guys about representing their product in the Caribbean for use on electric boats and other projects. DBK's Multiple Energy Level (MEL) Patent Pending Solar Panels. JIL-1500 and 3000 solar panels are IEC 61215 certified. DBK's new technologically for the advanced (MEL) solar panels, are converting 70 percent of the suns wavelengths instead of the others @ 17 percent. One or two JIL panels are all that is needed for most homes, 5-6 panels for most small businesses. (DBK will be donating over 10,000 of its solar panels to remote areas around the world to build new hospitals, schools and to power new wells for clean, pure water for families and children. Approximately one out every ten panels will be donated to improve the life of a child somewhere in the world.)

PRODUCT NAME BP Solar SX-160B, 160 Watt Solar Panel

Item : 1695 PRICE $ 791.00

At this $ per 160 watt rated panel, it would take 18.75 BP panels to equal 1-JIL 3000 panel, and cost $14,831 plus shipping for over 620Lbs. Or $4.94 p/wt. The JIL 3000 costs around $7,000 or $2.33 p/wt. (Less than half the cost p/wt of the BP panel)

See DBK’s quote below:

Dear Steve,
7 JIL-3000 (3kw) panels, about 15 sq.ft. each will give you 28 hp to run your boat. Is 105 sq. ft. too big an area for your boat? Right now JIL-3000 costs $7,000 each.

Young Yang, Ph.D.
DBK Corporation
300 Carlsbad Village Dr. Suite 108A #327
Carlsbad, CA 92008
760-845-3616 (cell)
877-325-7693
760-918-6643 (fax)
 yang@dbkcorporation.com
www.dbkcorporation.com

(Note from Steve, 7 panels would supposedly run the boat with no battery draw down, I think 4 panels would be enough with good batteries and run at 1/2 throttle. This cost is likely not much more than the 21.5 KVA GENSET if I can get them to credit it back!)

Last edited by stevem4u : 04-10-2006 at 19:33.

 
     
           
   
Old 04-10-2006, 19:54   #287
Registered User
Profile:  Location: Turks and Caicos Islands
Boat: Whaler and Zodiac ( got the dinghys first)
Posts: 385
Steve,
Thanks for the info. I read everything I could find on those panels, I am trying to run an entire three bedroom house. The specs are very attractive.

My problem is understanding, or in fact even getting a description of, what makes this panel produce this incredible efficiency. Their output claim is greater than the amount of solar energy present on that surface, I am reading.
If they amplify it from 700 watts to 3,000 watts, and there's no other power source than the sun, I am having a problem understanding the physics of that. How are they putting out more power than they are receiving?
I think its a simple question.

As another customer for them, do YOU understand the process they are using ? If its patented, or even patent pending, they are protected. Their description of their process will be available from the patent office anyhow. for free.

I really really DO want to believe them. I am an easy sell, actually. But I try to be a very well informed consumer, as well.

Wanna see my personal ultrasonic bug repeller collection?
__________________
we could build our own Banana Republic, if we would all just stop stealing the bananas..
     
           
    More info from their site


ABOUT THE JIL-3000


The current pictures reflect the prototype version of the new model JIL-3000. In the manufactured version all cells will be recessed and the surface will be smooth.

Question: How do you get so much power from a solar panel?

Answer: We have overcome three major obstacles of typical solar panel on the market: 1) photons which have too short a wavelength bounce off and are not absorbed; 2) those with too long a wavelength go thru the panel and end up as heat; 3) and lastly electrons that sit on the skin and fail to go thru the junction.

A typical solar cell acts more like a diode having one PN junction. DBK technologically advanced solar panel performs more like an integrated circuit (IC).

Question: Multi-junctions PV cells have been around for years. What make your multi-junction cell different?

Answer: Most multi-junction cells use two or three junctions. DBK's panels use a minimum of five junctions each designed to serve different functions. Actually our panels are configured from cells that have a band gap that is considered unacceptable by other manufactures (including embedded chips as shown on the prototype). This is multiple energy layer technology (MEL)

Also:

High Efficiency Solar Cell breakthrough
Posted on Sunday, February 19, 2006 @ 10:48:33 PST by vlad
yru4 writes: From KeelyNet News: In a scientific breakthrough that has stunned the world, a team of South African scientists has developed a revolutionary new, highly efficient solar power technology that will enable homes to obtain all their electricity from the sun. The unique South African-developed solar panels will make it possible for houses to become completely self-sufficient for energy supplies. The panels are able to generate enough energy to run stoves, geysers, lights, TVs, fridges, computers - in short all the mod-cons of the modern house.

The new technology should be available in South Africa within a year and through a special converter, energy can be fed directly into the wiring of existing houses. New powerful storage units will allow energy storage to meet demands even in winter. The panels are so efficient they can operate through a Cape Town winter. while direct sunlight is ideal for high-energy generation, other daytime light also generates energy via the panels. A team of scientists led by University of Johannesburg (formerly Rand Afrikaans University) scientist Professor Vivian Alberts achieved the breakthrough after 10 years of research. The South African technology has now been patented across the world. International experts have admitted that nothing else comes close to the effectiveness of the South African invention. The South African solar panels consist of a thin layer of a unique metal alloy that converts light into energy. The photo-responsive alloy can operate on virtually all flexible surfaces, which means it could in future find a host of other applications. Alberts said the new panels are approximately five microns thick (a human hair is 20 microns thick) while the older silicon panels are 350 microns thick. the cost of the South African technology is a fraction of the less effective silicone solar panels.

Original Source: SA Solar Breakthrough
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Thanks Steve. But I am still sceptical. I see a lot of press release info, and not a shred of technical data. They keep telling the world what they claim they've done, but not one of them is describing how they have done it. I wrote several hundred press releases in my life, and until someone can show me the technical reasons these things work, I consider it all smoke and mirrors.

I dont see the connection between DBK's claims and the South African.

I did try to dig into the South African claim, and found this on a blog:

Ok I checked at the Cape Angus newpaper site, and found the original story. Unfortuanantly I could not delve deeper into their sources as you have to buy a subscription .

I checked at cooltech.iafrica.com (they were credited with the photograph) and came across thier story. The photograph seems to be a silicon-based panel, not one of these new ones. (why they included the picture is beyond me).

I checked into solar energy in South Africa (SA) and came across this site. Nothing mentioned about any revolutionary solar panels.

I checked at the University of Johannesburg and found nothing about it. I checked into Prof Vivian Albert and found papers he has written where he is looking intosolar cells based on CuInSe2, but nothing about any breakthrough or anything.

Eskom, a SA power company, has nothing about it on their website (not surprising really--why would a power company want to promote a product like this?)

I have found some interesting sites (here, here, here for eg) (run a search on Vivian Alberts for more) It appears that Dr Alberts was granted money by the SA government in 2004 to build a pilot assembly facility and worked in co-ordination with physicists from the U of Pretoria and the U of Port Elizabeth to produce the new panels (and no doubt to test them too). The story from cooltech is from Oct 2005, and appears to have been essentially copied right onto the Earthworks site.

I really love the idea of a complete solar home, but so far, there sure seems to be a lot of snake-oil involved.

Now, I am off to go invest in a perpetual motion machine...
__________________
we could build our own Banana Republic, if we would all just stop stealing the bananas..
Quote:
Originally Posted by Canibul
I forgot to tell you in my last email. Our panel gets 700 watts from the sun to our panel and the rest is electronic amplification to bring it up to 3000 watts.
We have a patent on the system, it is our this is not a HOAX inspite of what the skeptic's are saying.

For me, when remarks like this send the bulls**tometer off the scale I know it's time to read no more.

 

      
           

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