...Jie Zhou; Dong Zheng Adding flame-retardant additives to electrolytes can significantly enhance the safety of lithium-ion batteries. To clarify the effects of flame-retardant additive dimethyl methylphosphonate (DMMP) on electrolyte flammability under practical battery fire conditions, experimental...

..., differences in the diffusion coefficients between the annealed and random groups decreased as the amount of yttria increased, which is due to a decrease in the hindrance of dopant pairs between annealed and random groups. This indicates that the changes in conductivity as the electrolyte ages are tied...

... electrolyte with a thin electrolyte layer of 6μm composed of the synthesized 1Ce10ScSZ powders was fabricated using the tape-casting and co-sintering techniques for a solid oxide fuel cell (SOFC) single cell. The open-circuit voltage of the single cell thus obtained was 1.11 V at 750 °C, indicating the dense...

... in the cubic fluorite structure. Dense and nanocrystalline Ce 0.8 Sm 0.2−x Dy x O 1.9 electrolytes were fabricated, even at low sintering temperature (1300 °C). The microstructure and electrical property of the Ce 0.8 Sm 0.2−x Dy x O 1.9 were discussed, depending on the Dy 3+ content. The highest conductivity...

... to measure the dynamic response of electrodes. Mass transfer behavior was analyzed using equations for diffusion in finite lengths of thin film electrolytes covering the catalyst surface area. Electrode structure parameters were measured using SEM images of the cross section of the membrane electrode...

...Hyeon-Cheol Park; Fatih Dogan Anode supported solid oxide fuel cells (SOFC) were fabricated by addition of various metal oxides such as Fe 2 O 3 , Co 3 O 4 and TiO 2 to thin anode functional layers between the electrolyte (yttria-stabilized zirconia, YSZ) and electrode materials (anode support: YSZ...

..., electrolyte thickness, porosities, and pore sizes. The analysis is carried out for a planar SOFC with YSZ electrolyte, LSM cathode, and Ni-YSZ anode, with thicknesses 20, 50, and 500 μm respectively, and with co-flow geometry. The predicted performance is validated with measured data found in the literature...

...Federico Rossi; Andrea Nicolini An experimental investigation on a novel electrolyte configuration for molten carbonate fuel cells (MCFCs) is presented. A single cell facility was built. The cell is characterized by a cylindrical geometry in order to reduce the structural and thermodynamic problems...

..., 8YSZ electrolyte, and LSM cathode sequentially coated on the support. Extension of triple phase boundary (TBP) at the electrode/electrolyte interfaces was done by coating SDC thin films within the pores of the electrodes using a sol-gel technique to improve performance of the cell. An anode-supported...

...Rizwan Raza; Ghazanfar Abbas; S. Khalid Imran; Imran Patel; Bin Zhu Oxide based two phase composite electrolyte ( Ce 0.9 Gd 0.1 O 2 – Y 2 O 3 ) was synthesized by coprecipitation method. The nanocomposite electrolyte showed the significant performance of power density 785 mW cm − 2 and higher...

... chemical energy into electricity without combustion. Nanostructure study is required to develop highly ionic conductive electrolytes for SOFCs. In this work, the calcium doped ceria ( Ce 0.8 Ca 0.2 O 1.9 ) coated with 20% molar ratio of two alkali carbonates (CDC-M: MCO 3 , where M = Na and K) electrolyte...

... is considered as safe) has been chosen instead of hydrocarbon-air mixtures (which require complex modeling strategy such as reforming via partial oxidation and modeling of two active fuels, i.e., hydrogen and carbon monoxide). The model is based on considering yttria-stabilized zirconia (YSZ) as an electrolyte...

... perovskite cathodes was investigated by impedance spectroscopy in symmetrical cell of the type electrode | electrolyte | electrode . “Metal-insulator” transition was found at 80 ° C in GdBaCo 2 O 6 − δ , whereas it was not observed in iron-doped sample GdBaCo 1.8 Fe 0.2 O 6 − δ due to the increase in oxygen...

...Sung-Chul Park; Jong-Jin Lee; Seung-Ho Lee; Jooho Moon; Sang-Hoon Hyun A solid oxide fuel cell unit cell based on a scandia-stabilized zirconia (ScSZ) electrolyte for intermediate temperature operation (below 650 ° C ) was manufactured as an anode-supported unit cell via uniaxial pressing, dip...

...Y. Liu; K. Yasumoto; S. Hashimoto; K. Takei; M. Mori; Y. Funahashi; Y. Fijishiro; A. Hirano; Y. Takeda In this work, a microtubular cell consisting of a thin Ce 0.9 Gd 0.1 O 1.95 (GDC) electrolyte (thickness: below 10 μ m ) on a support NiO/GDC anode (1.8 mm outer diameter, 200 μ m wall thickness...

...K. L. Bhamidipati; T. A. L. Harris Cost, durability, and reliability are the major issues hindering the commercialization of polymer electrolyte membrane fuel cells. Electrolyte membranes present in the fuel cell fails under chemical, thermal, and mechanical influences, which, in turn, results...

...Alessandra Sanson; Edoardo Roncari; Stefano Boldrini; Patrizia Mangifesta; Lioudmila Doubova Gadolina doped ceria (GDC) is a promising electrolyte for intermediate temperature solid oxide fuel cells (IT-SOFC). Dense layers of this material can be economically deposited by screen printing. However...

... cycles on curvature and strength of half-cells, composed of a nickel-yttria-stabilized-zirconia (Ni-YSZ) support, a Ni-YSZ anode, and an 8YSZ electrolyte. Five different treatments are studied: (i) reduction at 600 ° C , (ii) reduction at 1000 ° C , (iii) 1RedOx cycle at 750 ° C , (iv) 5RedOx cycles...

...Sujith Mohan; S. O. Bade Shrestha Alkaline fuel cells are one of the low cost types of fuel cells. In this contribution, the performance of an alkaline fuel cell was investigated by varying different operational parameters. The cell was tested under four different electrolyte concentrations...

... SOFCs under a diameter of 1 mm using doped ceria electrolyte, and Ni–ceria based cermet for tubular support has been successfully developed and evaluated. The single microtubular SOFC showed a cell performance of 0.46 W / cm 2 (at 0.7 V) at 550 ° C with H 2 fuel. The bundle design for such tubular cell...