System integration of a portable direct methanol fuel cell and a battery hybrid

Title
System integration of a portable direct methanol fuel cell and a battery hybrid
Author(s)
신동화김영현[김영현]서주은[서주은]장래혁[장래혁]조혜정[조혜정]김영재[김영재]윤성기[윤성기]
Keywords
SENSOR-LESS CONTROL; DMFC; PUMP; PERFORMANCE; MANAGEMENT; STACK
Issue Date
201006
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.35, no.11, pp.5621 - 5637
Abstract
This paper introduces a complete system-level design and integration of a portable direct methanol fuel cell (DMFC) system. We describe hardware and software design for the balance of plant (BOP) control, including a 32-bit microprocessor and electronics for actuators and sensors, focusing on reliable operation and protection of the DMFC system. Various BOP components are characterized to find the optimal design for better portability, reliability, and energy efficiency, and we suggest effective and robust design of control loops for them. We demonstrate a hybrid operation of the DMFC stack and Li-ion battery to maintain a constant stack output current regardless of the load current to maximize the performance. We emphasize the design of subsystems for power supply, measurement, actuator drive, and protection in detail. We verify the robust operation of BOP control against environmental changes such as orientation and pressure variations with an implemented control board. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/22344http://dx.doi.org/10.1016/j.ijhydene.2010.01.075
ISSN
0360-3199
Appears in Collections:
공과대학 > 컴퓨터공학과 > Articles
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