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Water content estimation and control of PEM fuel cell stack and the individual cell in vehicle

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Water content estimation and control of PEM fuel cell stack and the individual cell in vehicleby Po Hong.
作者:	Hong, Po.
出版者:	Singapore :Springer Singapore :2022.
面頁冊數:	xii, 149 p. :ill. (some col.), digital ;24 cm.
附註:	"Doctoral thesis accepted by Tsinghua University, Beijing."
Contained By:	Springer Nature eBook
標題:	Proton exchange membrane fuel cellsMoisture.
電子資源:	https://doi.org/10.1007/978-981-16-8814-0
ISBN:	9789811688140$q(electronic bk.)

Water content estimation and control of PEM fuel cell stack and the individual cell in vehicle
Hong, Po.

Water content estimation and control of PEM fuel cell stack and the individual cell in vehicle[electronic resource] /by Po Hong. - Singapore :Springer Singapore :2022. - xii, 149 p. :ill. (some col.), digital ;24 cm. - Springer theses,2190-5061. - Springer theses..

"Doctoral thesis accepted by Tsinghua University, Beijing."

Introduction -- Modeling of water content in MEA for the PEM fuel cell -- Approach to online AC impedance measurement of the fuel cell -- Water content estimation of the PEM fuel cell -- Water management strategy for the PEM fuel cell.

This book focuses on water content estimation and control of the PEM fuel cell stack and the individual cell in vehicle. Firstly, the mathematical connection between polarization curve and equivalent circuit model proves importance of MEA and its feasibility to study water content. Optimizing structure of MEA realizes the internal water content recirculation of a fuel cell and improves its performance under middle or lower current density. The influence of water content on performance of MEA is quantified, and variation of equivalent circuit model is an excellent indicator of water content. Secondly, the comprehensive online AC impedance measurement method is put forward, including current excitation method, weak voltage and current signal processing method, and method for analyzing measurement error, and experiment validates measurement accuracy. The high-frequency impedance and statistical characteristic are proposed as indicator of water content. Finally, the dynamic model of the air supply system of a fuel cell engine is established and the closed-loop control of the air supply system and the water content estimation are decoupled. The experiment on a fuel cell system validates the proposed method for searching optimized operating conditions and the water management strategy.

ISBN: 9789811688140$q(electronic bk.)

Standard No.: 10.1007/978-981-16-8814-0doiSubjects--Topical Terms:

919596
Proton exchange membrane fuel cells
--Moisture.

LC Class. No.: TK2933.P76 / H66 2022

Dewey Class. No.: 621.312429

Water content estimation and control of PEM fuel cell stack and the individual cell in vehicle
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