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Author Topic: Water activated light...no more batteries  (Read 55987 times)

hartiberlin

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Re: Water activated light...no more batteries
« Reply #15 on: February 14, 2016, 04:40:37 AM »
P.S: What I don´t like about the Hydra Light is the color temperature of their LEDs...
These Camping Laterns always come with these very cold light bright 6500 Kelvin
Color Temperature LEDs that really hurt your eyes, cause they have very strong line spectras, not a contineous
spectrum..and that is bad for your eyes and can hurt them.....

I wish they would have choosen
the new 2700Kelvin COB filament LED modules, which are much better for your eyes...
Also these would not attract so many moths and mosquitos outdoors...

Regards, Stefan.

markdansie

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Re: Water activated light...no more batteries
« Reply #16 on: February 14, 2016, 05:45:25 AM »
Hi Stefan
The product one may have a warmer led, i tend to agree with you.
There is a replacement cell available sold separately with the cathode.
We are using a third party technology at the moment but are developing a low cost replacement using different manufacturing technologies.
So you can purchase the cell and anode separate to the product.
If they are used daily or continuously the cathode runs for thousands of hours. If they are not looked after properly the lifespan can be only hundreds of hours. There is some simple maintenance required. I will send you some in a couple of months.
Kind Regards
Mark

markdansie

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Re: Water activated light...no more batteries
« Reply #17 on: February 14, 2016, 05:51:12 AM »
Hi Stefan,
would be good if you could join our Thunder-Clap program to help spread the word.


https://www.thunderclap.it/projects/36699-saltwater-light-phone-charger?locale=en


Kind Regards
Mark

hartiberlin

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Re: Water activated light...no more batteries
« Reply #18 on: February 14, 2016, 07:40:48 AM »
Dear Mark.
Look into this guy´s graphite process , he has the lowest resistance in graphite plate
designs I know of....
https://www.youtube.com/watch?v=5o3eVevf9TM

It is only around 2 Ohms / cm now which will conduct the currrent  much more.
If you additionally also put a current collector stainless steel mesh metal foil behind the graphite plate
at the air side, you will even have lower inner cell and graphite plate resistance and thus much more output power...
( Then the output power will not be consumed at the ohmical resistance of the graphite plate...)

He uses H2O2 and KMNO4 to exfoliate the graphite and then bakes and burns these graphite flakes
inside the Microwave and then presses them down to graphite plates...
Thus he gets such a low resistance, which is just great...

Okay, I joined your Thunderclap promotion with my Facebook, Twitter and Tumblr Accounts...

Will be interesting to see, how your Kickstarter campaign will work out....

Regards, Stefan.
P.S: Yes, try to adapt it to the new Filament COB LED modules, that use 1800K, 2200 or 2700 Kelvin
of color temperature, they are very nice for the eyes.. also if they don´t light up so bright, but they
give out a very nice yellow warm light...



Hi Stefan
The product one may have a warmer led, i tend to agree with you.
There is a replacement cell available sold separately with the cathode.
We are using a third party technology at the moment but are developing a low cost replacement using different manufacturing technologies.
So you can purchase the cell and anode separate to the product.
If they are used daily or continuously the cathode runs for thousands of hours. If they are not looked after properly the lifespan can be only hundreds of hours. There is some simple maintenance required. I will send you some in a couple of months.
Kind Regards
Mark

hartiberlin

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Re: Water activated light...no more batteries
« Reply #19 on: February 14, 2016, 07:59:42 AM »
Something like these Filament LED COB Modules:
http://www.aliexpress.com/item/50-60v-37-1-6mm-1w-COB-led-light-source-for-bulb-filament/32265251230.html

But be sure to get the 2200Kelvin or 2700 Kelvin types,
so you get wonderful warm light.
You would probably need then a different DC2DC converter, as these COB Modules work with around
50 to 60 Volts, but a good JouleThief circuit would then also work quite nicely...

Hope this helps.

Regards, Stefan.

markdansie

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Re: Water activated light...no more batteries
« Reply #20 on: February 14, 2016, 11:02:00 AM »
Hi Stefan
thanks for the input I will investigate
The late Mark E designed the circuits including the dc to dc converters obtaining efficiencies up to 93% and typically over 80%. They have been balanced to a Philips  led that is over 170 lumens per watt. In the larger products we have a two cell configuration. We have also tested Joule Thiefs. We have several families of boards that were developed over two years.
The cathode is not a graphite plate and I will be testing graphine with our new development. A lot more will be revealed in the next comming weeks
Thanks for joining the thunderclap.
Kind Regards
Mark

centraflow

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Re: Water activated light...no more batteries
« Reply #21 on: February 15, 2016, 10:36:43 AM »
Quote
[ This technology is not a battery so to speak except you will consume the anode. It is more like a fuel cell technology and consumes oxygen. The difference with this it will climb much higher with the same piece of metal (whatever you choose for the anode ) and climb to a level many times higher than a  traditional battery.[/size]It is still based on old and well known technology. Thanks for the information


Hi Mark


I have been using this for quite some years for creating hydrogen from water using it's own ability to generate power by oxidising a metal, certain metals are better than others, the system lab name is SMD but is shortly to be changed to a more commercial name.


The onset was to create hydrogen from water and the oxygen used up to run the system, and yes it has been done and dates back to 2003 and has been an item I have been developing as time permitted, there is a small group who know of this and have worked on parts of this, some you know. There were two patent applications a few years back, now abandoned so as the prior art exists in my name (no other can patent it), that was the idea, free for all.


Hydrogen from water at no running cost apart from water and a very cheap metal as the running fuel 8)  shortly to be published in full after some new replications are completed by group members.


Regards


Mike 8)


PS. I don't post on OU.com very much for obvious reasons, I have made this an exception this time.
« Last Edit: February 16, 2016, 03:24:31 AM by hartiberlin »

markdansie

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Re: Water activated light...no more batteries
« Reply #22 on: February 15, 2016, 12:27:28 PM »

Hi Mike
thanks for posting.
I vent the hydrogen of as it is only a small volume. I sometimes wonder if I should capture it and use  a fuel cell.  Using a metal to create hydrogen is a good idea but can be expensive depending on the source of the supply. Aluminium is excellent.
In the products we are aiming at we are very competitive compared to batteries and kerosene. Once we reach a certain size then we are no longer economical. We can power an electric car but will cost 10 times more than gasoline.
There are many expired patents, including one similar to the method we used, some dating back decades, that never went into production. We have not take the approach to patent the cell but some of the electronics may have applications in other industries.
We are also developing a very low cost high volume cathode for release in models latter this year or early next year which will make the technology very affordable (that is why I was in Cambridge UK last week)
I wish you all the best success with your current project and looking forward to seeing it come to fruition.
Kind Regards
Mark


centraflow

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Re: Water activated light...no more batteries
« Reply #23 on: February 15, 2016, 12:48:27 PM »
Hi Mark


The volume of hydrogen in SMD is high due to the way it is designed, also the power extraction from the electron capture is also high, the only thing is I use electron storage before the booster, also my design and is around 98% efficient in this form.


Before anyone asks, the hydrogen production is equal to very efficient electrolysis but without the oxygen, that goes to produce the power to run the electrolysis, so 2/3rds the volume of gas.


The volume can be more if it is used in another form, packing it out with CO2 to form methane, that is one of my pet projects.


regards


Mike 8)

markdansie

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Re: Water activated light...no more batteries
« Reply #24 on: February 15, 2016, 12:56:14 PM »
Hi Mike
I like the idea of packing it out with CO2 to form methane :)
Kind Regards

centraflow

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Re: Water activated light...no more batteries
« Reply #25 on: February 15, 2016, 01:11:09 PM »
Yes the reaction is catylised by the removal of the oxygen, when done properly, it was my idea for methane powered cars


regards


Mike 8)

hartiberlin

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Re: Water activated light...no more batteries
« Reply #26 on: February 16, 2016, 03:26:22 AM »
Dear Mike,
are you just using Aluminium and NaOH as the catalyst ?

But then you have to recycle the Aluminiumhydroxid...or get rid of it...

centraflow

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Re: Water activated light...no more batteries
« Reply #27 on: February 16, 2016, 08:57:04 AM »
No it is not as simple as that, there is no Al or NaoH, it is an electrochemical reaction, the end waste is oxidised metal (Fe), the


overal reaction is complex though.


Regards


Mike 8)

sm0ky2

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Re: Water activated light...no more batteries
« Reply #28 on: February 16, 2016, 11:17:08 AM »
using a carboplating process that deposited carbon nanoparticles from an open flame
we were able to create carbon-plated nickel electrodes with a conductivity of 3x10^-8 Ohms/meter
or very close to that of Gold.


3dtech

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Re: Water activated light...no more batteries
« Reply #29 on: May 31, 2016, 10:21:23 AM »
thanks for this information