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Title: Thermodynamic Cycles Relevant to Hydrogenation of CO 2 to Formic Acid in Water and Acetonitrile

Abstract

The formation of formic 1 acid via the reduction (hydrogenation or electrochemical methods) of carbon dioxide (CO 2) has been receiving great attention, not only in the context of the production of renewable fuels or synthons, but also since it is a convenient carrier of hydrogen gas in the form of a liquid at ambient conditions. In this study, in order to help elucidate the effect of solvent on the thermodynamic parameters for the hydrogenation of CO 2 in water and acetonitrile, the acidity constant for formic acid in acetonitrile was determined experimentally, for the first time, to be 20.7 ± 0.2 at 25 °C, and, additionally, the standard Gibbs energy changes for the transfers of formic acid and formate anion from water to acetonitrile were established.

Authors:
 [1];  [2];  [1]
  1. Kanagawa Univ., Kanagawa (Japan)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1507111
Report Number(s):
BNL-211540-2019-JAAM
Journal ID: ISSN 0366-7022
Grant/Contract Number:  
SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
Chemistry Letters (Tokyo)
Additional Journal Information:
Journal Name: Chemistry Letters (Tokyo); Journal Volume: 48; Journal Issue: 7; Journal ID: ISSN 0366-7022
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; Reduction of Carbon Dioxide (CO2); Solvation; Acidity in Non-Aqueous Solvent

Citation Formats

Matsubara, Yasuo, Grills, David C., and Koide, Yoshihiro. Thermodynamic Cycles Relevant to Hydrogenation of CO2 to Formic Acid in Water and Acetonitrile. United States: N. p., 2019. Web. doi:10.1246/cl.190180.
Matsubara, Yasuo, Grills, David C., & Koide, Yoshihiro. Thermodynamic Cycles Relevant to Hydrogenation of CO2 to Formic Acid in Water and Acetonitrile. United States. doi:10.1246/cl.190180.
Matsubara, Yasuo, Grills, David C., and Koide, Yoshihiro. Sat . "Thermodynamic Cycles Relevant to Hydrogenation of CO2 to Formic Acid in Water and Acetonitrile". United States. doi:10.1246/cl.190180.
@article{osti_1507111,
title = {Thermodynamic Cycles Relevant to Hydrogenation of CO2 to Formic Acid in Water and Acetonitrile},
author = {Matsubara, Yasuo and Grills, David C. and Koide, Yoshihiro},
abstractNote = {The formation of formic 1 acid via the reduction (hydrogenation or electrochemical methods) of carbon dioxide (CO2) has been receiving great attention, not only in the context of the production of renewable fuels or synthons, but also since it is a convenient carrier of hydrogen gas in the form of a liquid at ambient conditions. In this study, in order to help elucidate the effect of solvent on the thermodynamic parameters for the hydrogenation of CO2 in water and acetonitrile, the acidity constant for formic acid in acetonitrile was determined experimentally, for the first time, to be 20.7 ± 0.2 at 25 °C, and, additionally, the standard Gibbs energy changes for the transfers of formic acid and formate anion from water to acetonitrile were established.},
doi = {10.1246/cl.190180},
journal = {Chemistry Letters (Tokyo)},
number = 7,
volume = 48,
place = {United States},
year = {2019},
month = {5}
}

Journal Article:
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This content will become publicly available on May 18, 2020
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