Search Results - subject:"Cell stack"

A “4-cell” modular passive DMFC (direct methanol fuel cell) stack for portable applications

Wang, Luwen; He, Mingyan; Hu, Yue; Zhang, Yufeng; Liu, … - In: Energy 82 (2015) C, pp. 229-235

A “4-cell” modular passive DMFC (direct methanol fuel cell) stack, which can be freely combined and applied to various …

Persistent link: https://www.econbiz.de/10011209424

The effect of overpotentials on the transient response of the 300W SOFC cell stack voltage

Komatsu, Y.; Brus, G.; Kimijima, S.; Szmyd, J.S. - In: Applied Energy 115 (2014) C, pp. 352-359

Solid Oxide Fuel Cell (SOFC) cell stack during load change. It indicates the transient characterization obtained during a …

Persistent link: https://www.econbiz.de/10010737717

A dynamic model for hydrogen consumption of fuel cell stacks considering the effects of hydrogen purge operation

Hou, Yongping; Shen, Caoyuan; Hao, Dong; Liu, Yanan; … - In: Renewable Energy 62 (2014) C, pp. 672-678

The actual hydrogen consumption of a fuel cell stack varies with a fixed time delay under the step load change. For …. Based on the performance investigation mentioned above, an improved dynamic model for hydrogen consumption of a fuel cell … stack considering the effects of hydrogen purge operation is introduced in this paper. Compared with the previous model, the …

Persistent link: https://www.econbiz.de/10010804205

A coupled three dimensional model of vanadium redox flow battery for flow field designs

Yin, Cong; Gao, Yan; Guo, Shaoyun; Tang, Hao - In: Energy 74 (2014) C, pp. 886-895

A 3D (three-dimensional) model of VRB (vanadium redox flow battery) with interdigitated flow channel design is proposed. Two different stack inlet designs, single-inlet and multi-inlet, are structured in the model to study the distributions of fluid pressure, electric potential, current density...

Persistent link: https://www.econbiz.de/10010931384

Investigation of a small-volume direct methanol fuel cell stack for portable applications

Yuan, Zhenyu; Zhang, Yufeng; Fu, Wenting; Li, Zipeng; … - In: Energy 51 (2013) C, pp. 462-467

In this paper, a 6-cells direct methanol fuel cell (DMFC) stack with the volume of only 13.25 cm3 and the weight of 24.075 g is designed, fabricated and tested. First, the material characterization of the Au-coated Al current collector is investigated to exhibit superior characteristics in...

Persistent link: https://www.econbiz.de/10011053908

Road testing of a three-wheeler driven by a 5 kW PEM fuel cell in the absence and presence of batteries

Piumsomboon, Pornpote; Pruksathorn, Kejvalee; Hunsom, Mali - In: Renewable Energy 50 (2013) C, pp. 365-372

The road testing and demonstration of a three-wheeler vehicle driven by a 5 kW proton exchange membrane fuel cell (PEMFC) was carried out in the absence and presence of lead acid batteries. Prior to integrating the PEMFC module and batteries in the three-wheeler, they were tested and...

Persistent link: https://www.econbiz.de/10011044063

Geometric optimization of a 10-cell modular planar solid oxide fuel cell stack manifold

Chen, Daifen; Zeng, Qice; Su, Shichuan; Bi, Wuxi; Ren, … - In: Applied Energy 112 (2013) C, pp. 1100-1107

Compared with the conventional method, where dozens of solid oxide fuel cell (SOFC) units are connected in a large-scale stack to support a high power supply, a planar modular short SOFC stack (p-MSSS) with approximately 10-30 cells is considered to be advantageous for establishing a high power...

Persistent link: https://www.econbiz.de/10010702413

A dynamic voltage model of a fuel cell stack considering the effects of hydrogen purge operation

Hou, Yongping; Shen, Caoyuan; Yang, Zhihua; He, Yuntang - In: Renewable Energy 44 (2012) C, pp. 246-251

hydrogen purge operation. In this paper an empirical dynamic voltage model for PEM fuel cell stack is introduced based on the …

Persistent link: https://www.econbiz.de/10010805875

The analysis for the efficiency properties of the fuel cell engine

Hou, Yongping; Zhuang, Mingxi; Wan, Gang - In: Renewable Energy 32 (2007) 7, pp. 1175-1186

In this paper, the efficiency properties of the single fuel cell and the fuel cell stack have been analyzed … theoretically, and the efficiency models of the fuel cell stack and fuel cell engine (FCE) are developed. Through experimental … studies, we analyze the relationships between (1) the efficiency of the fuel cell stack and its current, (2) the efficiency of …

Persistent link: https://www.econbiz.de/10010806652