y An Efficient Direct Ammonia Fuel Cell for Affordable Carbon-Neutral Transportation

被引：291

作者：

Zhao, Yun ^{[1
]}

Setzler, Brian P. ^{[1
]}

Wang, Junhua ^{[1
]}

Nash, Jared ^{[1
]}

Wang, Teng ^{[1
]}

Xu, Bingjun ^{[1
]}

Yan, Yushan ^{[1
]}

机构：

[1] Univ Delaware, Dept Chem & Biomol Engn, Ctr Catalyt Sci & Technol, Newark, DE 19716 USA

来源：

JOULE | 2019年 / 3卷 / 10期

基金：

美国国家科学基金会;

关键词：

ANION-EXCHANGE MEMBRANE; ALKALINE POLYMER ELECTROLYTE; ELECTROCHEMICAL OXIDATION; PERFORMANCE; HYDROGEN; ELECTROCATALYSTS; ANODE; IONOMER; STORAGE; IR;

D O I：

10.1016/j.joule.2019.07.005

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Alternative carbon-neutral synthetic fuels are needed to decarbonize the transportation sector, bridging the gap between batteries and biofuels. Herein, we analyze the economics of hydrogen-, nitrogen-, and carbon-based fuels made by carbon-neutral pathways in a post-fossil world where only water, air, and renewable electricity are available for fuel synthesis. We find that ammonia has the lowest source-to-tank energy cost by a significant margin. With this technoeconomic analysis as motivation, we demonstrate a direct ammonia fuel cell (DAFC) prototype with a peak power density of 135 mW cm(-2) The DAFC employs an ammonia-tolerant precious-metal-free cathode catalyst and a high-temperature-stable hydroxide exchange membrane.

引用

页码：2472 / 2484

页数：13

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