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This content will become publicly available on March 26, 2019

Title: Electrochemical CO 2 Reduction on Oxide-Derived Cu Surface with Various Oxide Thicknesses

Here, cuprous oxide on copper foil electrodes prepared via electrochemical deposition and thermal annealing are investigated towards CO 2 electrochemical reduction at low overpotential. The thickness of the electrochemical deposited Cu 2O was controlled by varying the constant-current deposition time. The surface morphology and roughness were examined with SEM and CV respectively. The electrode fabricated by cuprous oxide deposited for 20 min demonstrated the best faradic efficiency (7.02%) and specific activity (0.123 mA/cm 2) towards format/formic acid formation at -0.5 V vs. RHE in CO 2 saturated 0.5 M K 2CO 3 among studied samples.
Authors:
 [1] ;  [2] ;  [1] ;  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Chemistry Division
  2. Zhejiang Univ., Hangzhou (China). Dept. of Chemical and Biological Engineering
Publication Date:
Report Number(s):
BNL-205743-2018-JAAM
Journal ID: ISSN 1938-6737
Grant/Contract Number:
SC0012704
Type:
Accepted Manuscript
Journal Name:
ECS Transactions (Online)
Additional Journal Information:
Journal Name: ECS Transactions (Online); Journal Volume: 85; Journal Issue: 12; Journal ID: ISSN 1938-6737
Publisher:
Electrochemical Society
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE
OSTI Identifier:
1440893