Investigation of startup, performance and cycling of a residential furnace integrated with micro-tubular flame-assisted fuel cells for micro-combined heat and power

被引：39

作者：

Milcarek, Ryan J. ^{[1
]}

DeBiase, Vincent P. ^{[2
]}

Ahn, Jeongmin ^{[2
]}

机构：

[1] Arizona State Univ, Sch Engn Matter Transport & Energy, 501 E Tyler Mall, Tempe, AZ 85287 USA

[2] Syracuse Univ, Dept Mech & Aerosp Engn, Syracuse, NY 13244 USA

来源：

ENERGY | 2020年 / 196卷

基金：

美国国家科学基金会;

关键词：

Flame-assisted fuel cell (FFC); Solid oxide fuel cell (SOFC); Micro-tubular SOFCs (mT-SOFCs); Micro-combined heat and power (mu CHP); GALILEO; 1000; N; CHP SYSTEM; COGENERATION; STACK; PROPANE; TECHNOLOGIES; EFFICIENCY; METHANE;

D O I：

10.1016/j.energy.2020.117148

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Solid Oxide Fuel Cells (SOFCs) offer advantages for micro-Combined Heat and Power (mu CHP), but currently suffer from slow startup (>1 h) and limited thermal cycling which reduces the applications, energy savings and economics. In this work, a micro-Tubular SOFC stack is integrated into a residential furnace to create a micro-Tubular Flame-assisted Fuel Cell (mT-FFC) mu CHF system. A high power density of 202 mW cm(-2) is reported operating in synthesis gas generated from fuel-rich combustion of natural gas/air. Unlike previous reports, instabilities in the polarization are attributed to low temperature of the oxygen reduction reaction at the cathode. The mT-FFC stack achieved peak power density in 6 min after ignition. 200 thermal cycles at an average heating rate of 215 degrees C.min(-1 )and average cooling rate of 176 degrees C.min(-1) were conducted and a low degradation rate of 0.0325 V per 100 cycles per fuel cell was achieved. Low NOx emissions (10 ppm) and high combined efficiency is reported. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页数：8

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