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306 Current news about the topic carbon nanotubes

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Stepstone for sustainable batteries – greener carbons

Project HiQ-CARB aims to provide new carbons with a superior performance and a low carbon footprint for future green batteries in Europe

08-Jun-2021

Lithium-ion batteries require in addition to lithium metal a number of sophisticated functional materials for their performance. Some of them sound rather unspectacular: conductive additives. In fact, conductive additives like carbon black or carbon nanotubes are a decisive component for the ...

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Optically Active Defects Improve Carbon Nanotubes

Scientists achieve defect control with a new reaction pathway

13-Apr-2021

The properties of carbon-based nanomaterials can be altered and engineered through the deliberate introduction of certain structural “imperfections” or defects. The challenge, however, is to control the number and type of these defects. In the case of carbon nanotubes – microscopically small ...

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Scientists grow carbon nanotube forest much longer than any other

Novel technique yields a carbon nanotube forest of record length, potentially revolutionizing the future of many industries

06-Nov-2020

Today, a multitude of industries, including optics, electronics, water purification, and drug delivery, innovate at an unprecedented scale with nanometer-wide rolls of honeycomb-shaped graphite sheets called carbon nanotubes (CNTs). Features such as light weight, convenient structure, immense ...

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New electrode materials for the oxidation of water

It’s all about good cooperation

12-Oct-2020

By splitting water electrochemically, green hydrogen can be produced, which can be used as fuel, energy storage and for chemical reactions. This way, we can decrease our dependence on fossil resources and reduce greenhouse gas emissions. However, the electrolysis of water consumes a lot of ...

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A leap in using silicon for battery anodes

Novel nanostructure design lends extraordinary strength to a promising storage ingredient

30-Apr-2020

The same material you'll find at the tip of a pencil--graphite--has long been a key component in today's lithium-ion batteries. As our reliance on these batteries increases, however, graphite-based electrodes are due for an upgrade. For that, scientists are looking to the element at the heart of ...

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High-capacity battery material using salmon DNA

20-Apr-2020

A Korean research team has succeeded in developing next-generation high-capacity cathode material for lithium-ion batteries. The Korea Institute of Science and Technology (KIST, Acting President Seok-jin Yoon) announced that the joint research team of Dr. Kyung Yoon Chung (head of the Center for ...

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Double-walled nanotubes have electro-optical advantages

01-Apr-2020

One nanotube could be great for electronics applications, but there's new evidence that two could be tops. Rice University engineers already knew that size matters when using single-walled carbon nanotubes for their electrical properties. But until now, nobody had studied how electrons act when ...

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Growing carbon nanotubes with the right twist

17-Dec-2019

In a recently published paper in Science Advances, Feng Ding of the Center for Multidimensional Carbon Materials, within the Institute of Basic Science (IBS, South Korea) and colleagues, have achieved the creation of a specific type of carbon nanotubes (CNTs) with a selectivity of 90%, and ...

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Solving the thermoelectric 'trade-off' conundrum with metallic carbon nanotubes

04-Dec-2019

Scientists from Tokyo Metropolitan University have used aligned "metallic" carbon nanotubes to create a device which converts heat to electrical energy (a thermoelectric device) with a higher power output than pure semiconducting carbon nanotubes (CNTs) in random networks. The new device bypasses ...

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Old newspapers can be used to grow carbon nanotubes

27-Nov-2019

A research collaboration between Rice University and the Energy Safety Research Institute (ESRI) at Swansea University has found that old newspapers can be used as a low cost, eco-friendly material on which to grow single walled carbon nanotubes on a large scale. Carbon nanotubes are tiny ...

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