That approach works and is done.Chalo wrote:As an old-school sort of guy, my inclination would be to use a caustic electrical joint compound like Alcoa #2, mixed with as much powdered pure silver as I could mix in, along with plenty of fastener tension. Hopefully your prospective formula does better than that.
Electrical cables and wires
Wires for carrying electrical current may be fabricated from pure nanotubes and nanotube-polymer composites. It has already been demonstrated that carbon nanotube wires can successfully be used for power or data transmission. Recently small wires have been fabricated with specific conductivity exceeding copper and aluminum; these cables are the highest conductivity carbon nanotube and also highest conductivity non-metal cables. Recently, composite of carbon nanotube and copper have been shown to exhibit nearly one hundred times higher current-carrying-capacity than pure copper or gold. Significantly, the electrical conductivity of such a composite is similar to pure Cu. Thus, this Carbon nanotube-copper (CNT-Cu) composite possesses the highest observed current-carrying capacity among electrical conductors. Thus for a given cross-section of electrical conductor, the CNT-Cu composite can withstand and transport one hundred times higher current compared to metals such as copper and gold.
I think Luke got the carbon n stuff if you watched the video. I wander what was the cost and for what quantities?mvly wrote:I have recent had a talk with some researcher (about a year ago) who was working on carbon nanotube as conductors and other uses. He said using a small strand, you can essentially replace a 12-14 gauge copper wire. I thought this is great, considering most hub motor have weaker axle and such caused by thick wires coming out of the hub end. If we can replace it with thin carbon nano tubes and super insulation up to 800C temperature, then we got great hub motor with great power inputs without compromising the structure of the axle itself.
The problem? COST. He said to produce a small quantity of this was costly (in the millions I guess). I asked "what if I only need a few feet of these thing at a certain size? He still said the cost would be astronomical compared to copper. His point? Use copper for now.
We will have to wait for economy of scale and better, lower cost production method before we can see these replacing copper. Once again it is one of those research that is at least 5-10 years out.
But this grease thing is great to protect those solder joints and help with conducting. If we can get such things, making batteries not be too difficult.
But what about something that this shadetree ebike mechanic can do in the near future?Arlo1 wrote:I think the electric cables in the future will be made from pure graphine!
LOL use copper. if you are a "shadetree" ebike mechanic then you will never care if you have some super small amount of loss from copper.cal3thousand wrote:But what about something that this shadetree ebike mechanic can do in the near future?Arlo1 wrote:I think the electric cables in the future will be made from pure graphine!
*Edit*sardini wrote:http://en.wikipedia.org/wiki/Carbon_nan ... plications
So has the stuff been fed/shoved into eyes of lab rats and bunnies to see what it does?kfong wrote:Got a sample on order, please read the material safety sheet before playing with this stuff. Treat it like hazardous material, even the safety sheet specifies unknown effects. We are playing with a material so new and due to the size, it's create a new level of pollution if dumped into the waste stream. Cost of advancement