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DIRECT CONTACT SHIELD OF LiMn2O4 ACTIVE MATERIAL FROM ELECTROLYTE
CHANG, MYOUNG HYE; LEE, CHANG WOO - In: Surface Review and Letters (SRL) 17 (2010) 01, pp. 81-86
The spinel LiMn2O4 powders were prepared by sol–gel technique using lithium acetate (Li(CH3COO) · 2H2O) and manganese acetate (Mn(CH3COO)2 · 4H2O) as starting materials, citric acid as a chelating agent, and acrylamide as a gel formatting agent. In order to improve the electrochemical...
Persistent link: https://www.econbiz.de/10008799853
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SYNTHESIS OF HIGHLY CRYSTALLINE OLIVINE-TYPE LiFePO4 NANOPARTICLES BY SOLUTION-BASED REACTIONS
KIM, DONGHAN; LIM, JINSUB; CHOI, EUNSEOK; GIM, JIHYEON; … - In: Surface Review and Letters (SRL) 17 (2010) 01, pp. 111-119
LiFePO4 nanocrystals were synthesized in various polyol media without any further post-heat treatment. The LiFePO4 samples synthesized using three different polyol media namely, diethylene glycol (DEG), triethylene glycol (TEG), and tetraethylene glycol (TTEG), exhibited plate and rod-shaped...
Persistent link: https://www.econbiz.de/10008799862
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Comparative study of double-chamber microbial fuel cells (DC-MFCs) using Mfensi clay as ion-exchange-partition : effect of electrodes
Tamakloe, R.Y.; Opoku-Donkor, T.; Donkor, M. K. E.; … - In: African journal of science, technology, innovation & … 7 (2015) 3/4, pp. 207-210
Persistent link: https://www.econbiz.de/10011565369
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Experimental study on the characterization of airflow effect on the direct methanol fuel cell
Kuan, Yean-Der; Lee, Shi-Min; Sung, Min-Feng - In: Renewable Energy 34 (2009) 8, pp. 1962-1968
cathode airflow effect on the single cell and also on the 3-cell planar DMFC module. In the single cell study, the research …-Cell PCB DMFC module, with a parallel flow board are compared. The results indicate that providing suitable cathode airflow …
Persistent link: https://www.econbiz.de/10010806906
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An overview of fuel cell technology: Fundamentals and applications
Sharaf, Omar Z.; Orhan, Mehmet F. - In: Renewable and Sustainable Energy Reviews 32 (2014) C, pp. 810-853
This paper provides a comprehensive review of fuel cell science and engineering with a focus on hydrogen fuel cells. The paper provides a concise, up-to-date review of fuel cell fundamentals; history; competing technologies; types; advantages and challenges; portable, stationary, and...
Persistent link: https://www.econbiz.de/10010753390
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A Transient Model for Fuel Cell Cathode-Water Propagation Behavior inside a Cathode after a Step Potential
Chan, Der-Sheng; Hsueh, Kan-Lin - In: Energies 3 (2010) 5, pp. 920-939
reduction on the cathode and the low oxygen diffusion rate inside the flooded cathode. To simulate the transient flooding in the … cathode of a PEMFC, a transient model was developed. This model includes the material conservation of oxygen, vapor, water … inside the gas diffusion layer (GDL) and micro-porous layer (MPL), and the electrode kinetics in the cathode catalyst layer …
Persistent link: https://www.econbiz.de/10010676038
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Single-Chamber Solid Oxide Fuel Cell Technology—From Its Origins to Today’s State of the Art
Kuhn, Melanie; Napporn, Teko W. - In: Energies 3 (2010) 1, pp. 57-134
In single-chamber solid oxide fuel cells (SC-SOFCs), both anode and cathode are situated in a common gas chamber and …
Persistent link: https://www.econbiz.de/10011030874
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A High Capacity Li-Ion Cathode: The Fe(III/VI) Super-Iron Cathode
Licht, Stuart - In: Energies 3 (2010) 5, pp. 960-972
A super-iron Li-ion cathode with a 3-fold higher reversible capacity (a storage capacity of 485 mAh/g) is presented …. One of the principle constraints to vehicle electrification is that the Li-ion cathode battery chemistry is massive, and … significantly higher capacity than contemporary Li-ion batteries. The super-iron Li-ion cathode consists of the hexavalent iron (Fe …
Persistent link: https://www.econbiz.de/10011031187
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Optimizing solid oxide fuel cell cathode processing route for intermediate temperature operation
Ortiz-Vitoriano, N.; Bernuy-López, C.; Ruiz de … - In: Applied Energy 104 (2013) C, pp. 984-991
For Solid Oxide Fuel Cells (SOFCs) to become an economically attractive energy conversion technology suitable materials which allow operation at lower temperatures, while retaining cell performance, must be developed. At the same time, the cell components must be inexpensive – requiring both...
Persistent link: https://www.econbiz.de/10011040576
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SOC Based Battery Cell Balancing with a Novel Topology and Reduced Component Count
Xu, Jun; Li, Siqi; Mi, Chris; Chen, Zheng; Cao, Binggang - In: Energies 6 (2013) 6, pp. 2726-2740
This paper proposes a novel battery cell balancing topology with reduced component count and simplified control. The balancing algorithm is based on the state of charge (SOC) of each individual cell instead of cell voltage. The principle of the proposed topology is analyzed and verified through...
Persistent link: https://www.econbiz.de/10010676050