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Keywords: Efficiency
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Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2020, 17(3): 031016.
Paper No: JEECS-19-1078
Published Online: February 10, 2020
... as photocathode in DSSC and supercapacitor electrodes. The embedded energy unit from the DSSC-supercapacitor demonstrates a 6.75% fill factor representing its decent efficiency. dye-sensitized solar cells supercapacitors fill factor efficiency specific capacitance photoelectrochemical cells...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. November 2019, 16(4): 041009.
Paper No: JEECS-18-1127
Published Online: September 24, 2019
... and energy efficiencies of the cycle are calculated, and the effects of various cycle parameters on the exergy and energy efficiencies are investigated. To maximize the exergy efficiency while minimizing the cost of electricity generation by the fuel cell, the particle swarm optimization (PSO) algorithm...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. February 2016, 13(1): 011007.
Paper No: JEECS-16-1011
Published Online: July 6, 2016
... that current density ( J SC ), fill factor (FF), and efficiency ( η ) follow the same variation that exists between conductivity and salt concentration. Open circuit voltage ( V OC ) seemed to be not depending on the conductivity and salt concentration very much. 1 Corresponding author. Manuscript...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. February 2016, 13(1): 011005.
Paper No: JEECS-16-1002
Published Online: April 26, 2016
...Hai-Kyung Seo; Won-shik Park; Hee Chun Lim When synthetic natural gas (SNG) is produced from coal and used as a fuel in the internal reforming molten carbonate fuel cell (ir-MCFC), electric efficiency can be no greater than 31%. This is because there are several exothermic reactions...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. February 2016, 13(1): 011004.
Paper No: JEECS-15-1026
Published Online: April 19, 2016
..., the first cycle irreversible capacity loss is reduced from 806 to 28 mAh/g and the first cycle coulombic efficiency is increased from 65% to 98%. The relationship between different SLMP loadings and cell performance has been established to understand the prelithiation process of SLMP and to optimize...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. December 2015, 12(6): 061007.
Paper No: FC-15-1002
Published Online: December 15, 2015
... 12 11 2015 Cathodes Cell design Efficiency Modeling PEM fuel cells Bipolar plates in PEM fuel cells have important responsibilities of distributing the reactant gases, transporting current through the lands, removing the product gases and liquid water, and providing structural...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. October 2015, 12(5): 051002.
Paper No: FC-14-1119
Published Online: October 6, 2015
... CIENCE AND T ECHNOLOGY . Manuscript received October 2, 2014; final manuscript received August 30, 2015; published online October 6, 2015. Assoc. Editor: Rak-Hyun Song. 02 10 2014 30 08 2015 Aging Efficiency Fuels Membranes Modeling Nowadays, the improvement in fuel cell...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. August 2015, 12(4): 041004.
Paper No: FC-14-1149
Published Online: August 4, 2015
... recuperated microturbine modified for external connections, a high temperature modular vessel necessary to emulate the dimensions of an SOFC stack, and, for air recompression, a turbocharger necessary to increase fuel cell pressure (using part of the recuperator outlet flow) as required for efficiency...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. June 2015, 12(3): 031003.
Paper No: FC-14-1132
Published Online: June 1, 2015
.... The effects of turbine inlet temperature (TIT) and pressure ratio (PR) on the performance of the hybrid system have been investigated. The results show that selecting smaller TIT or PR value will lead to relative higher system efficiency and lower CO 2 emission ratio; however, this will raise the risk...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. February 2015, 12(1): 011008.
Paper No: FC-14-1118
Published Online: February 1, 2015
..., 2014; published online December 11, 2014. Editor: Nigel M. Sammes. 30 09 2014 03 11 2014 11 12 2014 (1) SOFC-GT hybrid system shows good adaptability to low concentrations of biomass gas. The electrical efficiency could reach 50% with four kinds of biomass gases...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. February 2015, 12(1): 011004.
Paper No: FC-14-1069
Published Online: February 1, 2015
... of this research is to predict the performance of PBRs using CFD, which can be used to improve the design of PBRs used to grow microalgae for biofuels and bioproducts. Efficiency Fuels Infrastructure Modeling Dependency on fossil fuels is leading the world to a global energy crisis...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. December 2014, 11(6): 061006.
Paper No: FC-14-1061
Published Online: December 1, 2014
... by changing the components of the SOFC-CGS, SC, BT, and RS. Meaningful numerical results are obtained, indicating the maximum potential energy savings. CHP Efficiency Optimization Solid oxide fuel cells Storage Control In Japan, SOFC-CGS are being developed with the aim of commercialization...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. December 2014, 11(6): 061009.
Paper No: FC-14-1085
Published Online: December 1, 2014
... to the corresponding experimental values and found satisfactory. Direct methanol Efficiency Fuels Modeling Ohmic Losses As the natural resources are getting depleted and environmental norms or standards are getting more stringent, there has been a lot of focus in the area of renewable and alternative...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. August 2014, 11(4): 041004.
Paper No: FC-13-1128
Published Online: March 13, 2014
..., W Δ P = air-side pressure drop, Pa Greek Symbols η fin = fin efficiency η s = surface efficiency θ = louver angle, deg σ = contraction ratio References [1] Webb , R. L...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. October 2013, 10(5): 051007.
Paper No: FC-13-1039
Published Online: August 20, 2013
... and thermal calculations in the fuel cell are carried out in order to obtain more accurate results. An examination of the hybrid system performance indicates that increasing of the working pressure and rate of air flow into the system, cause the cell temperature to reduce, the efficiency and the power...
Journal Articles
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. June 2013, 10(3): 031001.
Paper No: FC-12-1101
Published Online: May 7, 2013
... online May 7, 2013. Editor: Nigel M. Sammes. 07 10 2012 27 01 2013 The operation of a direct methanol fuel cell with an internal combustion engine in a hybrid system is investigated in terms of fuel efficiency. The following work shows a potential for fuel saving because the engine's...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. December 2011, 8(6): 061014.
Published Online: September 27, 2011
...Syed Khalid Imran; Rizwan Raza; Ghazanfar Abbas; Bin Zhu Bio-ethanol based fuel cell is an energy source with a promising future. The low temperature solid oxide fuel cell fed by direct bio-ethanol is receiving considerable attention as a clean and highly efficient for the production of both...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. June 2010, 7(3): 031014.
Published Online: March 16, 2010
... endurance testing data are analyzed herein with a focus on power system performance, reliability, and degradation issues. End user and system integrator testing approaches were applied. Power system response to load demand and electrical efficiency were measured following as much as possible...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2010, 7(1): 011018.
Published Online: November 11, 2009
..., and the application load during the transient and in the steady states. In this paper, a distributed PES (comprising a multimodule dc-dc boost converter) is proposed for a fuel-cell and battery based hybrid power system, which provides higher cost effectiveness, efficiency, and footprint savings. This is realized...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2008, 5(3): 031005.
Published Online: May 23, 2008
... stacks allow this reaction to occur at elevated pressures. An exergy analysis of a gas turbine cycle integrated with SOFCs with internal reforming is conducted. As the efficiency of a gas turbine cycle is mainly defined by the maximum temperature at the turbine inlet, this temperature is fixed at 1573 K...