The solid electrolyte interface could be stabilized via surface oxygen species functionalization in hard carbon for superior performance sodium-ion batteries.
The
study compares the effects of aprotic (i.e., gamma-valerolactone,
acetone, and 1,4-dioxane) and protic (i.e., methanol and ethanol)
solvents on the primary decomposition reactions of glucose and fructose,
which are key biomass-derived platform molecules, in hot-compressed
solvent/water mixtures (10 vol %) at various temperatures. Aprotic
solvents enhance dehydration reactions and suppress isomerization
reactions during glucose and fructose decomposition. Particularly,
5-hydroxymethyl-furfural (5-HMF) that is a secondary product for both
glucose and fructose decomposition in protic solvent/water mixtures
becomes a primary product for their decomposition in aprotic solvent/water
mixtures, contributing to ∼25–27% and ∼19–22%
of the primary decomposition reactions for glucose and fructose, respectively.
In contrast, the protic solvent has little effect on the primary decomposition
of sugars in hot-compressed solvent/water mixtures. The addition of
the aprotic solvent reduces the activation energy of sugar decomposition
in the solvent/water mixture, but the reaction rate constant in the
aprotic solvent/water mixture is still lower than that in the protic
solvent/water mixture.
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