Effects of operating and design parameters on PEFC cold start

Kazuya Tajiri; Yuichiro Tabuchi; Fumio Kagami; Shinichi Takahashi; Koudai Yoshizawa; Chao Yang Wang

doi:10.1016/j.jpowsour.2006.12.017

Effects of operating and design parameters on PEFC cold start

Kazuya Tajiri, Yuichiro Tabuchi, Fumio Kagami, Shinichi Takahashi, Koudai Yoshizawa, Chao Yang Wang

Research output: Contribution to journal › Article › peer-review

153 Citations (SciVal)

Abstract

During startup from subzero temperatures the water produced in a polymer electrolyte fuel cell (PEFC) forms ice/frost in the cathode catalyst layer (CL), blocking the oxygen transport and causing cell shutdown once all CL pores are plugged with ice. This paper describes an experimental study on the effects of operating and design parameters on PEFC cold-start capability. The amount of total product water in mg cm^-2 during startup is used as an index to quantify the cold-start capability. The newly developed isothermal cold-start protocol is used to explore the basic physics of cold start, and the effects of purge methods prior to cold start, startup temperature and current density, and the membrane thickness are shown. The experimental data also confirm the current density effect predicted earlier by a multiphase model of PEFC cold start.

Original language	English (US)
Pages (from-to)	279-286
Number of pages	8
Journal	Journal of Power Sources
Volume	165
Issue number	1
DOIs	https://doi.org/10.1016/j.jpowsour.2006.12.017
State	Published - Feb 25 2007

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jpowsour.2006.12.017

Cite this

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title = "Effects of operating and design parameters on PEFC cold start",

abstract = "During startup from subzero temperatures the water produced in a polymer electrolyte fuel cell (PEFC) forms ice/frost in the cathode catalyst layer (CL), blocking the oxygen transport and causing cell shutdown once all CL pores are plugged with ice. This paper describes an experimental study on the effects of operating and design parameters on PEFC cold-start capability. The amount of total product water in mg cm-2 during startup is used as an index to quantify the cold-start capability. The newly developed isothermal cold-start protocol is used to explore the basic physics of cold start, and the effects of purge methods prior to cold start, startup temperature and current density, and the membrane thickness are shown. The experimental data also confirm the current density effect predicted earlier by a multiphase model of PEFC cold start.",

author = "Kazuya Tajiri and Yuichiro Tabuchi and Fumio Kagami and Shinichi Takahashi and Koudai Yoshizawa and Wang, {Chao Yang}",

note = "Funding Information: Funding for this work from Nissan Motor Co. Ltd. is gratefully acknowledged. ",

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T1 - Effects of operating and design parameters on PEFC cold start

AU - Tajiri, Kazuya

AU - Tabuchi, Yuichiro

AU - Kagami, Fumio

AU - Takahashi, Shinichi

AU - Yoshizawa, Koudai

AU - Wang, Chao Yang

N1 - Funding Information: Funding for this work from Nissan Motor Co. Ltd. is gratefully acknowledged.

PY - 2007/2/25

Y1 - 2007/2/25

N2 - During startup from subzero temperatures the water produced in a polymer electrolyte fuel cell (PEFC) forms ice/frost in the cathode catalyst layer (CL), blocking the oxygen transport and causing cell shutdown once all CL pores are plugged with ice. This paper describes an experimental study on the effects of operating and design parameters on PEFC cold-start capability. The amount of total product water in mg cm-2 during startup is used as an index to quantify the cold-start capability. The newly developed isothermal cold-start protocol is used to explore the basic physics of cold start, and the effects of purge methods prior to cold start, startup temperature and current density, and the membrane thickness are shown. The experimental data also confirm the current density effect predicted earlier by a multiphase model of PEFC cold start.

AB - During startup from subzero temperatures the water produced in a polymer electrolyte fuel cell (PEFC) forms ice/frost in the cathode catalyst layer (CL), blocking the oxygen transport and causing cell shutdown once all CL pores are plugged with ice. This paper describes an experimental study on the effects of operating and design parameters on PEFC cold-start capability. The amount of total product water in mg cm-2 during startup is used as an index to quantify the cold-start capability. The newly developed isothermal cold-start protocol is used to explore the basic physics of cold start, and the effects of purge methods prior to cold start, startup temperature and current density, and the membrane thickness are shown. The experimental data also confirm the current density effect predicted earlier by a multiphase model of PEFC cold start.

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JO - Journal of Power Sources

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ER -

Effects of operating and design parameters on PEFC cold start

Abstract

All Science Journal Classification (ASJC) codes

UN SDGs

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