Tech Xplore - carbon materials

Drawing inspiration from plants: A metal–air paper battery for wearable devices

For more than two millennia, paper has been a staple of human civilization. But these days, the use of paper is not limited to writing. It is also playing a pivotal role in ushering in a greener future.

Apr 3, 2024

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Are high-purity cathode materials truly necessary? An alternative to reduce secondary battery costs

Manufacturers of secondary battery cells (LG Energy Solution, Samsung SDI, and SK) have been insisting on very stringent purity specifications from suppliers of cathode materials to ensure a consistent quality output.

Apr 1, 2024

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Paving new paths for sustainable construction

The construction sector today faces several challenges. Natural sand is fast becoming a scarce resource—we might run out of it by 2050. Carbon dioxide emissions, especially from manufacturing cement or fired clay bricks, ...

Mar 27, 2024

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Research lights up process for turning CO₂ into sustainable fuel

Researchers have successfully transformed CO2 into methanol by shining sunlight on single atoms of copper deposited on a light-activated material, a discovery that paves the way for creating new green fuels.

Mar 25, 2024

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In climate push, German chemical maker swaps oil for sugar

At one of Europe's largest chemical complexes, German group Covestro is trialing the manufacture of a key product using sugar as a base material instead of oil, as the industry seeks to reduce its carbon footprint.

Mar 10, 2024

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Using pulp and paper waste to scrub carbon from emissions

Researchers at McGill University have come up with an innovative approach to improve the energy efficiency of carbon conversion, using waste material from pulp and paper production. The technique they've pioneered using the ...

Feb 1, 2024

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Machine learning method speeds up discovery of green energy materials

Researchers at Kyushu University, in collaboration with Osaka University and the Fine Ceramics Center, have developed a framework that uses machine learning to speed up the discovery of materials for green energy technology.

Jan 18, 2024

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Dual-metal sulfides found to improve overall function of anode material in lithium-ion capacitors

The use of dual metal sulfides, specifically ZnS/CuS, shows marked improvement in electrochemical stability and performance when included in the design of flexible lithium-ion capacitors over the use of transition metal sulfides ...

Jan 16, 2024

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Review of moisture swing sorbents for carbon dioxide capture from ambient air

Progress has been made recently in carbon capture technology that might allow us to efficiently absorb carbon dioxide directly from the air and perhaps halt the rise of atmospheric concentrations of the greenhouse gas. The ...

Jan 15, 2024

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Not all carbon-capture projects pay off—Research maps the pros and cons of each to find clear winners and losers

Capturing carbon dioxide from the air or industries and recycling it can sound like a win-win climate solution. The greenhouse gas stays out of the atmosphere where it can warm the planet, and it avoids the use of more fossil ...