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Graphene News and Discussions

graph materials science nanotechnology news clarketech

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#1
Jakob

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We need a whole thread just to bask in the Clarke-tech awesomeness of graphene.

 

Super aluminum-graphene battery has a 5-second charging time

 

Material and engineering researchers at East China’s Zhejiang University unveiled a “super” aluminum-graphene battery that can be fully charged in 5 seconds and then last for two hours.

They claim to have developed a novel aluminum-graphene battery that is more cold-resistant, can work in temperatures ranging from -40 C to 120 C and is less flammable.

The battery, which has a positive pole made up of graphene thin film and a negative pole of aluminum, can retain 91 percent of its capacity even after 250,000 charge/discharge circles, a marked improvement compared with the lithium battery.

 

Two-Layer Graphene becomes a Diamond-Hard Material on Impact which could make super armor

 

Scientists at the Advanced Science Research Center (ASRC) at the Graduate Center, CUNY, worked to theorize and test how two layers of graphene — each one-atom thick — could be made to transform into a diamond-like material upon impact at room temperature. The team also found the moment of conversion resulted in a sudden reduction of electric current, suggesting diamene could have interesting electronic and spintronic properties. The new findings will likely have applications in developing wear-resistant protective coatings and ultra-light bullet-proof films.

 

And there was something I saw a few weeks ago, about graphene sneakers. Welcome to 2018.

Graphene running shoes will hit the market next year

 

Running shoes and graphene were made for each other. One is always in search of the latest gimmick and the other has produced some of the most stunning in recent memory. The University of Manchester, long a leading force in research surrounding the one-atom-thick material, has teamed up with British sportswear brand inov-8 to bring graphene to footwear.

Unlike most of the research we’ve seen around science’s recent favorite miracle material, these things are headed to the market in our lifetimes — a seeming miracle in and of itself. In fact, they’re due out next year, priced at a steep, but not completely unreasonable, £140 and £150 (around $200 on the high end).

 



#2
JitkaS

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Thanks for that. :) Try to google for spider silk enhanced with graphene, that experiment was really something. Btw Iam starting to see graphene almost everywhere lately. Its really a very versatile material. If you wanna have a basic overview, try this blog. There is all the basic info.


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#3
Yuli Ban

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Graphene material strengthens nerve signaling in the brain

Less than 20 years after it was developed, a thin, resilient sheet of carbon atoms with remarkable properties known as graphene is transforming biomedical fields as far flung as tissue engineering, neuroprosthetics and drug discovery.
Because it readily conducts heat and electricity, graphene also may be a good biosensor. But it’s not neutral. When Vanderbilt University scientists tried to use graphene to measure electrical activity in the brain, they found that it actually enhanced nerve cell signaling.
It did so by enabling nerve cell membranes to pull in more cholesterol. The fatty substance was used to make more of the vesicles that package neurotransmitters, the chemical messengers that relay signals between nerve cells. More vesicles and more neurotransmitter meant stronger signals.
These findings, reported in the journal Nature Communications ("Membrane cholesterol mediates the cellular effects of monolayer graphene substrates"), came as a complete surprise to the investigators. They raise the possibility that graphene may enable researchers to change how cells communicate with each other by manipulating the cholesterol content in the cell membrane.


And remember my friend, future events such as these will affect you in the future.


#4
wjfox

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Graphene Hair Dye Is Coming, And It Looks Incredible

 

03.16.18

 

A research team at Northwestern University has discovered a way to use sheets of graphene to dye hair. Unlike current chemical hair coloring products, the scientists report in the journal Chem that their new dye is nontoxic, antibacterial, antistatic, and you can apply it yourself with a spray. It looks like we can add “the holy grail of hair color” to graphene’s seemingly endless list of applications.

 

[...]

 

Your graphene-enhanced superhero hair will also have some other super powers. First, it’s anti-static–so you can say goodbye to flyaway hairs. Secondly, it’s antibacterial–your hair will stay cleaner longer. Third: thermal regulation capabilities. In theory, your graphene-enhanced hair will be able to regulate the heat on your head better than your regular hair.

 

The fourth power is quite intriguing. The Northwestern team mentions that your graphene-treated hair will be able to interface with electronic components, since the coating can carry an electrical current.

 

https://www.fastcode...ooks-incredible

 

 

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