Analyses of characteristics and efficiency of Fuel Cell
نویسندگان
چکیده
The basic principles of work of proton exchange membrane fuel cell (PEMFC) are presented. The real experiments with PEMFC are made. Current – voltage characteristic in electrolyses, voltage, current and power characteristics of PEMFC are given. The efficiencies at different operating modes are made. The final conclusion about characteristics and efficiency of PEMFC are derived.
منابع مشابه
Performance assessment of a hybrid fuel cell and micro gas turbine power system
In this paper, a hybrid solid oxide fuel cell (SOFC) and micro gas turbine (MGT) power system is parametrically studied to evaluate the effect of different operating conditions. The SOFC/MGT power system includes SOFC reactor, combustion chamber, compressor and turbine units, and two heat exchangers. The effects of fuel utilization, temperature, and pressure are assessed on performance of t...
متن کاملمدلسازی الکتروشیمیایی و اقتصادی استک یک پیل سوختی اکسید جامد لوله ای در یک سیستم تولید انرژی
The goal of this article is to present electrochemical and economic models for a tubular solid oxide fuel cell stack. To carry out this research, first, a complete electrochemical model has been employed for a single cell of the fuel cell stack, and then its activation, ohmic and concentration losses have been obtained. The results show that with the increase of the working temperature and pres...
متن کاملMulti-level Energy Management Strategy for Fuel Cell Vehicle Based on Battery Combined Efficiency and Identification of Vehicle Operation State
The design of energy management strategy is one of the main challenges in the development of fuel cell electric vehicles. The proposed strategy should be well responsive to provide demanded power of fuel cell vehicle for motion, acceleration, and different driving conditions, resulting in reduced fuel consumption, increased lifetime of power sources and increased overall fuel efficiency. The pu...
متن کاملOptimal power management of fuel cell hybrid vehicles
This paper presents a control strategy developed for optimizing the power flow in a Fuel Cell Hybrid Vehicle structure. This method implements an on-line power management based on the optimal fuzzy controller between dual power sources that consist of a battery bank and a Fuel Cell (FC). The power management strategy in the hybrid control structure is crucial for balancing between efficiency an...
متن کاملStudy of flow and heat transfer characteristics in a periodic zigzag channel for cooling of polymer electrolyte fuel cells
In this study, a periodic zigzag channel with rectangular cross-section has been used in order to obtain a high-efficiency system for cooling a polymer electrolyte fuel cell. An appropriate function of fuel cells and enhancement of their lifetime require uniform temperature conditions of around 80°C. On the other hand, due to volume and weight constraints, a low-density compact heat exchanger i...
متن کاملExergy Analysis of a Molten Carbonate Fuel Cell-Turbo Expander-Steam Turbine Hybrid Cycle
Exergy analysis of an integrated molten carbonate fuel cell-turbo expander-steam turbine hybrid cycle has been presented in this study. The proposed cycle has been used as a sustainable energy approach to provide a micro hybrid power plant with high exergy efficiency. To generate electricity by the mentioned system, an externally reformed molten carbonate fuel cell located upstream of the combi...
متن کامل