共查询到20条相似文献，搜索用时 343 毫秒
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王爱军 《彭城职业大学学报》2003,18(2):6-10
介绍燃料电池的工作原理和分类，比较各种不同类型的燃料电池的性能，透过燃料电池的国内外发展状况，重点论述了质子交换膜燃料电池的工作方式和特性、关键技术、应用和研究进展情况。 相似文献
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钱承之 《中学化学教学参考》2005,(5):41-42
燃料电池(尤其是氢氧燃料电池)是一类新型化学电源。虽然燃料电池在电极制作及氢的储存携带等方面技术要求很高，并且氢的来源受到一定的限制，目前尚未得到普及，但因其操作方便、能量利用率高、功率大、无污染而具有广阔的发展前景。目前中学教材中对氢氧燃料电池的工作原理作了较为详细的介绍。 相似文献
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我国目前对燃料电池的研究正在蓬勃兴起，已经取得了长足的进步。然而，对于燃料电池测试方面的技术却没有得到同步发展，这必将制约今后我国的燃料电池工业的发展。以PEM燃料电池为例，论述了燃料电池测试系统的组成原理，以及开发燃料电池测试系统中的关键技术。 相似文献
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燃料电池是一种等温并直接将储存在燃料和氧化剂中的化学能高效、环境友好地转化为电能的新型发电装置．燃料电池不受热机效率的限制，能量转换效率高，无污染、无噪音，具有满足环境保护的要求．预计燃料电池系统将在洁净煤燃料电池电站、电动汽车、移动电源、不间断电源、潜艇及空间电源等方面有着广泛的应用前景和巨大的潜在市场．本文介绍了燃料电池的的优点、主要种类、工作原理、国内外发展概况以及燃料电池的前景展望。 相似文献
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本文阐述了燃料电池的基本概念和工作原理，及其作为新型绿色发电技术，具有能量转换效率高环境友好，燃料适应性强等显著优点。 相似文献
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概述固体氧化物燃料电池 (SOFC)的原理 ,综述了ZrO2 基固体电解质型燃料电池的研究进展状况 ,提出了一些有待解决的问题 相似文献
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鲍明伟 《无锡教育学院学报》2001,(1)
燃料电池可为车辆提供更为高效、清洁的能源。本文介绍了燃料电池的特点、工作原理、发展概况以及几种主要类型的燃料电池的特征 ,重点介绍了适合用于汽车的质子交换膜燃料电池的主要性能。 相似文献
11.
燃料电池的研究现状及发展趋势 总被引：1，自引：0，他引：1
胡跃华 《赣南师范学院学报》2002,(6):58-59
根据燃料电池的特点,综述了碱性燃料电池(AFC)、磷酸型燃料电池(PAFC)、熔融碳酸盐燃料电池(MCFC)、固体氧化物燃料电池(SOFC)、质子交换膜燃料电池(PEMFC)的研究现状及燃料电池的发展趋势. 相似文献
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燃料电池是具有较高的能源利用率又不污染环境的能源利用方式.目前,燃料电池的研究正在向商业化阶段过渡.固体氧化物燃料电池的应用在我国有着得天独厚的优势,我国在燃料电池方面的研究已经步入世界先进行列. 相似文献
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LI Wei ZHU Xin-jian CAO Guang-yi 《浙江大学学报(A卷英文版)》2007,8(5):734-740
This paper describes a solar photovoltaic fuel cell (PVEC) hybrid generation system consisting of a photovoltaic (PV) generator, a proton exchange membrane fuel cell (PEMFC), an electrolyser, a supercapacitor, a storage gas tank and power conditioning unit (PCU). The load is supplied from the PV generator with a fuel cell working in parallel. Excess PV energy when available is converted to hydrogen using an electrolyser for later use in the fuel cell. The individual mathematical model for each component is presented. Control strategy for the system is described. MATLAB/Simulink is used for the simulation of this highly nonlinear hybrid energy system. The simulation results are shown in the paper. 相似文献
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This paper presents a control strategy of a hybrid fuel cell/battery distributed generation （HDG） system in distribution systems. The overall structure of the HDG system is given, dynamic models for the solid oxide fuel cell （SOFC） power plant, battery bank and its power electronic interfacing are briefly described, and controller design methodologies for the power conditioning units and fuel cell to control the power flow from the hybrid power plant to the utility grid are presented. To distribute the power between the fuel cell power plant and the battery energy storage, a neuro-fuzzy controller has been developed. Also, for controlling the active and reactive power independently in distribution systems, the current control strategy based on two fuzzy logic controllers has been presented. A Matlab/Simulink simulation model is developed for the HDG system by combining the individual component models and their controllers. Simulation results show the overall system performance including load-following and power management of the HDG system. 相似文献
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Optimization study of a PEM fuel cell performance using 3D multi-phase computational fluid dynamics model 总被引：1，自引：0，他引：1
AL-BAGHDADI Maher A.R. Sadiq AL-JANABI Haroun A.K. Shahad 《浙江大学学报(A卷英文版)》2007,8(2):285-300
INTRODUCTION Water management is one of the critical opera-tion issues in proton exchange membrane (PEM) fuelcells. Spatially varying concentrations of water inboth vapour and liquid form are expected throughoutthe cell because of varying rates of production andtransport (Sui and Djilali, 2005). Devising betterwater management is therefore a key issue in PEMFCdesign, and this requires improved understanding ofthe parameters affecting water transport in the mem-brane. Proper thermal m… 相似文献
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从汽车使用的角度研究节油措施。运用发动机原理、汽车理论等基础知识,通过对汽车启动、起步过程中发动机温度、负荷对燃油消耗影响的分析,规范了汽车启动、起步操作,强调电控燃油喷射发动机的启动不能踩油门,否则会加大燃油消耗;将汽车起步过程的离合器踏板控制过程规范为快-慢-快3个阶段：指出车辆低档、低速行驶比发动机无负荷高速运转更能缩短发动机热车时间,节油效果更好;明确了商务车空载二档起步可以节油,而乘用车采用一档起步才能节油的机理。 相似文献
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This paper presents a theory on premix fuel combustion at near isoceles triangle type rate of heat release, describes the
measures taken for the combustion system, points out its many theoretical advantages, and that it can solve effectively the
problems of rough running, fuel consumption and exhaust emission. Two squish lip type combustion chambers are designed to
match separately with multiple holes injector and conical spray type injector in order to achieve premix combustion at near
isosceles triangle type rate of heat release. Experimental studies on two single cylinder diesel engines showed that premix
combustion at isosceles triangle type rate of heat release resulted in longer ignition delay period, larger amount of fuel
injected into cylinder during the ignition delay period, lower maximum pressure, better fuel economy, and better exhaust emission. 相似文献
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Jun Li Nan Gao Guang-yi Cao Heng-yong Tu Ming-ruo Hu Xin-jian Zhu Jian Li 《浙江大学学报(A卷英文版)》2010,11(1):61-70
In this paper, an application of a nonlinear predictive controller based on a self recurrent wavelet network （SRWN） model for a direct internal reforming solid oxide fuel cell （DIR-SOFC） is presented. As operating temperature and fuel utilization are two important parameters, the SOFC is identified using an SRWN with inlet fuel flow rate, inlet air flow rate and current as inputs, and temperature and fuel utilization as outputs. To improve the operating performance of the DIR-SOFC and guarantee proper operating conditions, the nonlinear predictive control is implemented using the off-line trained and on-line modified SRWN model, to manipulate the inlet flow rates to keep the temperature and the fuel utilization at desired levels. Simulation results show satisfactory predictive accuracy of the SRWN model, and demonstrate the excellence of the SRWN-based predictive controller for the DIR-SOFC. 相似文献
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INTRODUCTION With worldwide increase of air pollution and the environmental consciousness of governments, people have to look for new resources to mitigate the energy crisis and improve the present environmental status (Ferng et al., 2004; Rowe and Li, 2001). Fuel cells are highly efficient and environmentally clean electrical generators (Mann et al., 2000) that convert the chemical energy of a gaseous fuel directly into elec-tricity energy and play an important role in solving the prob… 相似文献