Search Results - subject:"Anode"

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Performance evaluation of a tubular direct carbon fuel cell operating in a packed bed of carbon

Giddey, S.; Kulkarni, A.; Munnings, C.; Badwal, S.P.S. - In: Energy 68 (2014) C, pp. 538-547

The DCFC (direct carbon fuel cell) technology, based on the direct electrochemical oxidation of carbon, has the potential to double the electric efficiency and half the CO2 emissions compared to conventional coal fired power plants. In order to assess the scalability of the technology in terms...

Persistent link: https://www.econbiz.de/10011053292

Optimization of catalyst preparation conditions for direct sodium borohydride fuel cell using response surface methodology

Okur, Osman; Alper, Erdogan; Almansoori, Ali - In: Energy 67 (2014) C, pp. 97-105

The aim of this work is to determine the optimum operating conditions for the process of preparing anode … electrocatalysts for direct sodium borohydride fuel cell (DSBHFC). Pt–Au/C electrocatalysts were studied as the anode catalysts while … Pt/C were chosen as a cathode catalyst. Anode electrocatalysts were produced by the precipitation method. In this work …

Persistent link: https://www.econbiz.de/10011054720

Streamlining of commercial Berl saddles: A new material to improve the performance of microbial fuel cells

Hidalgo, Diana; Tommasi, Tonia; Cauda, Valentina; … - In: Energy 71 (2014) C, pp. 615-623

thin and conductive carbon layer, thus obtaining an innovative low-cost anode material able to efficiently recover the … anode material in a two-compartment MFC prototype, in batch mode and using Saccharomyces cerevisiae as active microorganisms … commercial anode materials. In particular, we have carefully estimated the production and process costs of these carbon …

Persistent link: https://www.econbiz.de/10011054775

A novel TiO2 nanofiber supported PdAg catalyst for methanol electro-oxidation

Ju, Jianfeng; Chen, Xi; Shi, Yujun; Wu, Donghui; Hua, Ping - In: Energy 59 (2013) C, pp. 478-483

A novel PdAg/TiO2 nanofiber electrocatalyst for methanol oxidation was fabricated by using TiO2 nanofiber as support. The structural and electrochemical properties of the PdAg/TiO2 nanofiber catalyst were characterized by XRD (X-ray diffraction), TEM (the transmission electron microscopy) and...

Persistent link: https://www.econbiz.de/10010810407

Cathode–anode side interaction in SOFC hybrid systems

Ferrari, Mario L.; Massardo, Aristide F. - In: Applied Energy 105 (2013) C, pp. 369-379

Cathode–anode interaction, mainly based on cathode versus anode volume influence, recirculation performance, and … between gas turbine and anodic circuit and on cathode–anode differential pressure behaviour for design, off-design and …

Persistent link: https://www.econbiz.de/10010635993

Non-isothermal modeling of a small passive direct methanol fuel cell in vertical operation with anode natural convection effect

Wang, Luwen; Zhang, Yufeng; An, Zijian; Huang, Siteng; … - In: Energy 58 (2013) C, pp. 283-295

operation. The effect of natural convection at the anode in the fuel reservoir is considered. The coupled heat and mass … of the cell to the top of the cell, resulting from natural convection at the anode. A higher cell temperature will lead …

Persistent link: https://www.econbiz.de/10011053623

The investigation of active Ni/YSZ interlayer for Cu-based direct-methane solid oxide fuel cells

Sariboğa, Vedat; Öksüzömer, Faruk - In: Applied Energy 93 (2012) C, pp. 707-721

In this study, dense YSZ (d_YSZ)–Ni/YSZ–porous YSZ (p_YSZ) double-layer anode structures were prepared by the tape …) loadings were also investigated. Stable operation was obtained by using a Ni-interlayered Cu-based anode structure for dry …

Persistent link: https://www.econbiz.de/10011040720

Development of a catalytic combustor for a stationary fuel cell power generation system

Yu, Sangseok; Hong, Dongjin; Lee, Youngduk; Lee, Sangmin; … - In: Renewable Energy 35 (2010) 5, pp. 1083-1090

The anode off-gas of high temperature stationary fuel cell stacks still includes fuel components such as hydrogen …, carbon monoxide, and hydrocarbon due to the innate characteristics of the fuel cell operation. Even though the anode off …-gas has fuel contents, the flammability is very limited due to the vapor concentration of the anode off-gas. A catalytic …

Persistent link: https://www.econbiz.de/10010804298

Numerical simulation of mass and energy transport phenomena in solid oxide fuel cells

Arpino, F.; Massarotti, N. - In: Energy 34 (2009) 12, pp. 2033-2041

Solid Oxide Fuel Cells (SOFCs) represent a very promising technology for near future energy conversion thanks to a number of advantages, including the possibility of using different fuels. In this paper, a detailed numerical model, based on a general mathematical description and on a finite...

Persistent link: https://www.econbiz.de/10010811832

A new dynamic model for predicting transient phenomena in a PEM fuel cell system

Pathapati, P.R.; Xue, X.; Tang, J. - In: Renewable Energy 30 (2005) 1, pp. 1-22

of charge double layer capacitance, the dynamics of flow and pressure in the anode and cathode channels and mass …, temperature of the cell, hydrogen/oxygen out flow rates and cathode and anode channel temperatures/pressures under sudden change …

Persistent link: https://www.econbiz.de/10010804710