ArticleScientific reports2020
Graphite-shell-chains selectively and efficiently produced from biomass rich in cellulose and chitin.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors at 2 institutions in 1 country.
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Abstract
Graphite-shell-chains have a worm-like nanocarbon configuration with a graphitic structure and mesopores, and they are easily produced from wood by using iron-group metal-catalysed carbonization at 900 °C. The simple production process with natural resources convinced us that this process may occur somewhere on Earth; the product of this process was indeed discovered as biogenic graphite by geochemists. However, the biogenic graphite was 3.7 billion years old, thus occurring long before wood appeared in the world. Here, we investigated appropriate carbon precursors other than wood in various materials and showed that carbon is selectively and efficiently obtained from biomass rich in cellulose and chitin. To enable selective and efficient production from this biomass, it seems the precursors provide a perfect amorphous carbon matrix where metal catalysts can reside at an active size to constantly create a graphite shell during carbonization. The results suggest that graphite-shell-chains could have existed in ancient times. Application developments of this biomass-derived nanocarbon will be useful for sustainable development goals.
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