Exploring Electrochemical Flow-Cell Designs and Parameters for CO2 Reduction to Formate under Industrially Relevant Conditions

被引：5

作者：

Kirner, Joel ^{[1
]}

Chen, Yifu ^{[2
]}

Liu, Hengzhou ^{[2
]}

Song, Junhua ^{[1
]}

Liao, Jinyun ^{[1
]}

Li, Wenzhen ^{[2
]}

Zhao, Feng ^{[1
]}

机构：

[1] Storagenergy Technol Inc, 1990 S Milestone Dr Suite A, Salt Lake City, UT 84104 USA

[2] Iowa State Univ, Dept Chem & Biol Engn, 2114 Sweeney Hall,618 Bissell Rd, Ames, IA 50011 USA

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2022年 / 169卷 / 05期

关键词：

CARBON-DIOXIDE; ELECTROREDUCTION; ELECTROCATALYSTS; ELECTROLYSIS;

D O I：

10.1149/1945-7111/ac6bc1

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Potassium formate can be considered an environmentally friendly and low-corrosion deicing material. Herein we explore and develop electrochemical solutions for on-site formate production from CO under ambient conditions. We screen a variety of cathode catalysts in both H-type and gas-diffusion flow-type cells, and explore several possible flow-cell device configurations with various electrolytes and membrane candidates. We demonstrate a cell capable of industrially relevant current densities (>= 200 mA cm(-2)) while maintaining faradaic efficiency of 95% for formate and electrochemical energy efficiency >20%, and compare our results to the state-of-the-art system in the literature.

引用

页数：11

共 30 条

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