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High‐Performance Liquid‐Catalyst Fuel Cell for Direct Biomass‐into‐Electricity Conversion

High‐Performance Liquid‐Catalyst Fuel Cell for Direct Biomass‐into‐Electricity Conversion Herein, we report high‐performance fuel cells that are catalyzed solely by polyoxometalate (POM) solution without any solid metal or metal oxide. The novel design of the liquid‐catalyst fuel cells (LCFC) changes the traditional gas–solid‐surface heterogeneous reactions to liquid‐catalysis reactions. With this design, raw biomasses, such as cellulose, starch, and even grass or wood powders can be directly converted into electricity. The power densities of the fuel cell with switchgrass (dry powder) and bush allamanda (freshly collected) are 44 mW cm−2 and 51 mW cm−2 respectively. For the cellulose‐based biomass fuel cell, the power density is almost 3000 times higher than that of cellulose‐based microbial fuel cells. Unlike noble‐metal catalysts, POMs are tolerant to most organic and inorganic contaminants. Therefore, almost any raw biomass can be used directly to produce electricity without prior purification. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Angewandte Chemie International Edition Wiley

High‐Performance Liquid‐Catalyst Fuel Cell for Direct Biomass‐into‐Electricity Conversion

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References (22)

Publisher
Wiley
Copyright
Copyright © 2014 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1433-7851
eISSN
1521-3773
DOI
10.1002/anie.201408226
pmid
25283435
Publisher site
See Article on Publisher Site

Abstract

Herein, we report high‐performance fuel cells that are catalyzed solely by polyoxometalate (POM) solution without any solid metal or metal oxide. The novel design of the liquid‐catalyst fuel cells (LCFC) changes the traditional gas–solid‐surface heterogeneous reactions to liquid‐catalysis reactions. With this design, raw biomasses, such as cellulose, starch, and even grass or wood powders can be directly converted into electricity. The power densities of the fuel cell with switchgrass (dry powder) and bush allamanda (freshly collected) are 44 mW cm−2 and 51 mW cm−2 respectively. For the cellulose‐based biomass fuel cell, the power density is almost 3000 times higher than that of cellulose‐based microbial fuel cells. Unlike noble‐metal catalysts, POMs are tolerant to most organic and inorganic contaminants. Therefore, almost any raw biomass can be used directly to produce electricity without prior purification.

Journal

Angewandte Chemie International EditionWiley

Published: Jan 1, 2014

Keywords: ; ; ; ;

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