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273 Current news about the topic carbon nanotubes

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Nickel ferrite promotes capacity and cycle stability of lithium-sulfur battery

15-Jun-2018

Lithium-sulfur (Li-S) battery can be put into practice, if 20% of theoretical energy densities (2600 Wh/kg or 2800 Wh/L) can be achieved. Investigators have the ambition to reach the energy density of 500 Wh/kg in the near future. Xue-Ping Gao and co-workers, from Nankai University, tell us "Till ...

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Atomically thin nanowires convert heat to electricity more efficiently

05-Jun-2018

Waste heat can be converted to electricity more efficiently using one-dimensional nanoscale materials as thin as an atom - ushering a new way of generating sustainable energy - thanks to new research by the University of Warwick. Led by Drs Andrij Vasylenko, Samuel Marks, Jeremy Sloan and David ...

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Making carbon nanotubes as usable as common plastics

17-May-2018

Northwestern University's Jiaxing Huang is ready to reignite carbon nanotube research. And he's doing so with a common chemical that was once used in household cleaners. By using an inexpensive, already mass produced, simple solvent called cresol, Huang has discovered a way to make disperse ...

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Wrap an electrode material for Li-ion battery into the inner spacing of carbon nanotube

09-May-2018

Researchers at the Toyohashi University of Technology have demonstrated the electrochemical performance of lithium ion batteries (LIBs) using phosphorus-encapsulated carbon nanotube electrodes, in which red phosphorus with considerable high capacity is introduced into the inner spacing of carbon ...

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Mechanism of oxidative unzipping of multiwall carbon nanotubes to graphene nanoribbons

13-Apr-2018

Graphene, a two-dimensional lattice of carbon atoms, has attracted enormous interest from a broad base of the research community for more than one decade. Graphene nanoribbons (GNRs), narrow strips of graphene, being quasi one-dimensional, possess complementary features relative to their ...

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What plants can teach us about oil spill clean-up, microfluidics

22-Mar-2018

For years, scientists have been inspired by nature to innovate solutions to tricky problems, even oil spills -- manmade disasters with devastating environmental and economic consequences. A new USC study takes a cue from leaf structure to fabricate material that can separate oil and water, which ...

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CNT membranes used to make carbon-zero fuels for less than fossil fuels

13-Mar-2018

Mattershift, an NYC-based startup with alumni from MIT and Yale has achieved a breakthrough in making carbon nanotube (CNT) membranes at large scale. The startup is developing the technology's ability to combine and separate individual molecules to make gasoline, diesel, and jet fuel from CO2 ...

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Nanomaterials: What are the environmental and health risks?

28-Feb-2018

From nanoscale silver to titanium dioxide for air purification, the use of nanomaterials of high commercial relevance proves to have clear benefits as it attracts investments, and raises concerns. 'Nano' sized materials (a nanometre is one millionth of a millimetre) could pose environmental and ...

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Toilet paper sensors

Tissue paper sensors show promise for health care, entertainment, robotics

16-Feb-2018

University of Washington engineers have turned tissue paper – similar to toilet tissue – into a new kind of wearable sensor that can detect a pulse, a blink of an eye and other human movement. The sensor is light, flexible and inexpensive, with potential applications in health care, entertainment ...

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Mass production of new class of semiconductors closer to reality

13-Feb-2018

Two Waterloo chemists have made it easier for manufacturers to produce a new class of faster and cheaper semiconductors. The chemists have found a way to simultaneously control the orientation and select the size of single-walled carbon nanotubes deposited on a surface. That means the developers ...

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