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Graphene conducts electricity 10 times better than expected, puts lithium-ion to shame

Vyralize: Walt de Heer, a physicist at the School of Physics at the Georgia Institute of Technology, has developed a new method of producing graphene nanoribbons, allowing for electricity transfer that is about 10 times faster than theoretially expected along graphene nanoribbons produced via more traditional methods.

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Speed-Racer1690d ago

Hopefully we can go back to the days of waiting a week before charging our phones :)

ZoyosJD1690d ago

Why exactly is graphene's conduction capabilities being compared with Li-ions which are used for energy storage?

Those speeds suggest completely different applications, not that it is going to be better in applications like energy storage as well.

Speed-Racer1690d ago

I read somewhere that it has a much much higher storage capacity as well. Some months ago though.

ZoyosJD1690d ago

I remember an article on porous graphene super-capacitors a few months back heralding it for it's charge/discharge rate for energy storage for electric vehicle breaking, but only having an energy density of 1/3 to 1/2 of li-ion.

Do you happen to remember which graphene format the article covered? These nano ribbons would likely be even more geared toward moving electrons rather than storing them.

ZoyosJD1690d ago

Much obliged.

According to the MIT source that article referenced the porous graphene had an energy density of just over 64 watt-hours/ kg which is still a bit too low to be replacing/ matching Li-ion for a lasting charge.

With the expected jump to solid state li-ion in the next year or two I don't expect graphene to match it without an extensive new process, but at least we do have something to look forward to as far as phone battery life increasing.

Speed-Racer1690d ago

It's definitely too early indeed. I suspect it may not make the market till another 5-10 years. At least they're figuring out the distribution channels, so cells could potentially charge in possibly minutes instead of hours. Very interesting stuff.

ZoyosJD1689d ago

As far as charge times go, cables and connectors are still largely a limiting factor. In fact, the improvements seen in new USB 3.0 supporting phones and tablets has been pretty substantial from what I heard second hand.

I also remember a video about a Nokia phone being charged in a few seconds with a "lightning bolt", so I think means of delivery may be the largest issue.

I'm thinking along the lines of 7 years or longer before implementations really have any impact seeing as graphene research has only exploded recently. Still the possibilities are really intriguing.

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Bimkoblerutso1690d ago

This sounds like the perfect technology for some massive corporation to buy up and sweep under the rug to save a few corporate fat cats the headache of altering their ancient business models.

1690d ago