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Title: Stabilization of a co-bound intermediate via molecular tuning promotes CO2-to-ethylene conversion

Abstract

Aspects included herein include an electrolytic system for electrochemical reduction of carbon dioxide, the system comprising: a cathode comprising: a porous gas-diffusion membrane permeable to CO2; an electrocatalyst layer adjacent to a second side of the gas-diffusion membrane; the electrocatalyst layer comprising: an electrically conductive catalyst; and a selectivity-determining organic material attached to at least a portion of the electrically conductive catalyst; wherein: the organic material is formed of a plurality of oligomers; each oligomer comprises a plurality of covalently bonded base units; each base unit comprises at least one heterocyclic group having at least one nitrogen in its structure; and an anion exchange membrane adjacent to the electrocatalyst layer and positioned between the anode and the cathode; wherein anion exchange membrane is characterized by anion conductivity and the cathode is in ionic communication with the anode via the anion exchange membrane.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States); California Institute of Technology (CalTech), Pasadena, CA (United States); Univ. of Toronto, ON (Canada)
Sponsoring Org.:
USDOE
OSTI Identifier:
2222302
Patent Number(s):
11746426
Application Number:
16/925,833
Assignee:
California Institute of Technology (Pasadena, CA); The Governing Council of the University of Toronto (Toronto, CA)
DOE Contract Number:  
AC02-06CH11357; SC0004993
Resource Type:
Patent
Resource Relation:
Patent File Date: 07/10/2020
Country of Publication:
United States
Language:
English

Citation Formats

Agapie, Theodor, Rosas-Hernandez, Alonso, Li, Fengwang, Peters, Jonas C., Sargent, Edward H., and Thevenon, Arnaud. Stabilization of a co-bound intermediate via molecular tuning promotes CO2-to-ethylene conversion. United States: N. p., 2023. Web.
Agapie, Theodor, Rosas-Hernandez, Alonso, Li, Fengwang, Peters, Jonas C., Sargent, Edward H., & Thevenon, Arnaud. Stabilization of a co-bound intermediate via molecular tuning promotes CO2-to-ethylene conversion. United States.
Agapie, Theodor, Rosas-Hernandez, Alonso, Li, Fengwang, Peters, Jonas C., Sargent, Edward H., and Thevenon, Arnaud. Tue . "Stabilization of a co-bound intermediate via molecular tuning promotes CO2-to-ethylene conversion". United States. https://www.osti.gov/servlets/purl/2222302.
@article{osti_2222302,
title = {Stabilization of a co-bound intermediate via molecular tuning promotes CO2-to-ethylene conversion},
author = {Agapie, Theodor and Rosas-Hernandez, Alonso and Li, Fengwang and Peters, Jonas C. and Sargent, Edward H. and Thevenon, Arnaud},
abstractNote = {Aspects included herein include an electrolytic system for electrochemical reduction of carbon dioxide, the system comprising: a cathode comprising: a porous gas-diffusion membrane permeable to CO2; an electrocatalyst layer adjacent to a second side of the gas-diffusion membrane; the electrocatalyst layer comprising: an electrically conductive catalyst; and a selectivity-determining organic material attached to at least a portion of the electrically conductive catalyst; wherein: the organic material is formed of a plurality of oligomers; each oligomer comprises a plurality of covalently bonded base units; each base unit comprises at least one heterocyclic group having at least one nitrogen in its structure; and an anion exchange membrane adjacent to the electrocatalyst layer and positioned between the anode and the cathode; wherein anion exchange membrane is characterized by anion conductivity and the cathode is in ionic communication with the anode via the anion exchange membrane.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2023},
month = {9}
}

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