Non platinum based electrocatalysts for alkaline direct ethanol fuel cell
Non platinum based electrocatalysts for alkaline direct ethanol fuel cell
... alkaline direct ethanol fuel cell CA : chronoamperometry CV : cyclic voltammetry DAFC : direct alcohol fuel cell DEFC : direct ethanol fuel cell DMFC : direct methanol fuel cell ECSA : electrochemically ... development of Pd -based electrocatalysts for the oxidation of ethanol in basic media and the exploration of new TiO2 -based catalyst supports for...
Preparation and characterization of the PVDF-based composite membrane for direct methanol fuel cells
... PVDF-SPS composite membrane Table shows the water uptake of the pristine PVDF membrane, the PVDF-PS membrane and the PVDF-SPS composite membrane The blending of PS polymer reduces the water uptake of ... of the PVDF-SPS membrane: (a) C1s, (b) O1s, (c) S2p 3.4 Morphology of the PVDF-SPS composite membrane The morphologies of the pristine PVDF...
Poly(2,6 dimethyl 1,4 phenylene oxide) based semi interpenetrating polymer network proton exchange membranes for direct methanol fuel cells
... Pair-Reinforced Semi- interpenetrating Polymer Network for Direct Methanol Fuel Cell Applications 1.2.2 Ion Pair-Reinforced Semi- interpenetrating Polymer Networks for Direct Methanol Fuel ... Pair-Reinforced Semi- interpenetrating Polymer Networks for Direct Methanol Fuel Cell Applications: Effects of Cross-linker Bulkiness 1.2.4 Proton Transfer th...
Polymer electrolyte membranes for direct methanol fuel cells
... design of most fuel cells is similar except for the electrolyte The five major types of fuel cells as defined by their electrolyte are: alkaline fuel cells (AFCs), phosphoric acid fuel cells (PAFCs), ... LETERATURE REVIEW 2.1 Fuel Cell 2.2 The Development of Polymer Electrolyte Membranes 15 2.3 Performance Indicators for Polymer Electrolyte Membranes 18 2...
Mathematical modeling of direct liquid fuel cells multidimensional analytical solutions and experimental validation
... prediction of the inner life of the cell according to diÔerent operating conditions and layout thus becomes possible 1.3 DLFC Modeling and Experimental Validation 1.3 DLFC Modeling and Experimental Validation ... words: Direct Methanol Fuel Cell; Direct Ethanol Fuel Cell; Reduced model; Scale analysis; Analytical Solutions; COMSOL Multiphysics; Mathematical...
Direct methanol fuel cell catalysts with controllable interface
... cells (AFCs), phosphoric acid fuel cells (PAFCs), proton-exchange membrane fuel cells (PEMFCs), molten carbonate fuel cells (MCFCs), and solid oxide fuel cells (SOFCs) Among these five fuel cell ... model electrocatalysts in this thesis effort 2.1 Direct methanol fuel cells (DMFC) A fuel cell is an electrochemical device in which the chemical energy stored in a fuel is...
Development of reduced models for proton exchange membrane fuel cells
... now 1.2 Types of Fuel Cells There are six types of fuel cells that are currently in commercial use, di¤erentiated according to the type of electrolyte: Proton Exchange Membrane Fuel Cell (PEMFC), ... Methanol Fuel Cell (DMFC), Alkaline Fuel Cell (AFC), 1.2 Types of Fuel Cells Phosphoric Acid Fuel Cell (PAFC), Molten Carbonate Fuel Cell (MCFC), Solid Oxide...
Fabrication of membrane electrode assembly for polymer electrolyte membrane fuel cell
... common fuel cell types are Polymer Electrolyte Membrane Fuel Cell (PEMFC), Alkaline Fuel Cell (AFC), Phosphoric Acid Fuel Cell (PAFC), Molten Carbonate Fuel Cell (MCFC), and Solid Oxide Fuel Cell ... Hoogers, Fuel Cell Technology Handbook, CRC Press LLC, (2003) Chapter Polymer Electrolyte Membrane Fuel Cell (PEMFC) 2.1 Introduction Polymer Electr...
Primary Treatment for Locally Advanced Cervical Cancer: Concurrent Platinum-based Chemotherapy and Radiation pptx
... PG 4-5 IN REVIEW Primary Treatment for Locally Advanced Cervical Cancer: Concurrent Platinum-based Chemotherapy and Radiation Practice Guideline Report #4-5 H Lukka, ... Grigsby PW, Cooper J et al Pelvic irradiation with concurrent chemotherapy versus pelvic and para-aortic irradiation for high-risk cervical cancer: An update of Radiation Therapy Oncology...
Báo cáo khoa học: "A non-contiguous Tree Sequence Alignment-based Model for Statistical Machine Translation" pptx
... contiguous tree sequence pairs but also from the non-contiguous tree sequence pairs where a non-contiguous tree sequence is a sequence of sub-trees and gaps With the help of the non-contiguous tree sequence, ... Figure 1: Rule extraction of tree- to -tree model based on tree sequence pairs algorithm for syntax-based SMT to facilitate the non-contiguous const...
AUGMENTED LAGRANGIAN BASED ALGORITHMS FOR CONVEX OPTIMIZATION PROBLEMS WITH NON SEPARABLE l1 REGULARIZATION
... performs favourably in comparison to several state-of-the-art first-order algorithms for solving fused lasso problems, and outperforms the best available algorithms for clustered lasso problems With ... feature learning problems in statistics, as well as from problems in image processing We present those problems under the unified framework of convex minimization with non...
Integrated platinum carbon nanotube based electrocatalyst for high efficiency proton exchange membrane fuel cells 1
... Suitable for all sizes of power stations, kW to multi-MW Table 1. 1 Main types of fuel cells and their characteristics and applications 1. 3 Proton Exchange Membrane Fuel Cells (PEMFCs) Proton Exchange ... 1- 1 to 1- 3 [2]: Anode: H2 2H+ + 2e- Cathode: 2H+ + 2e- + 1/ 2O2 Overall: H2 + 1/ 2O2 (1- 1) H2O H2O + electricity + heat (1- 2) (1- 3) According to Eq 1- 3, t...
Integrated platinum carbon nanotube based electrocatalyst for high efficiency proton exchange membrane fuel cells 2
... most accurate and realistic information of the Pt/CNT -based electrocatalyst as a potential substitute for conventional Pt/VXC72Rbased electrocatalysts used for high- efficiency PEMFC applications ... VCXC72R Carbon paper TGPH090 Toray Carbon black (CB) VCXC72R Cabot Commercial Pt catalyst 40wt% Pt/VCXC72R Johnson Matthey Commercial Pt catalyst 20 wt% Pt/VCXC72R E-TEK Nafion m...
Integrated platinum carbon nanotube based electrocatalyst for high efficiency proton exchange membrane fuel cells 3
... (6vol%) and silane (1vol%) solution containing 0 .3 M Ni(NO3)2 and 0 .3 M Co(NO3)2 for h During the CNT growth, the carbon paper was heated at 600 °C for at 35 0 sccm Ar and 1.5 sccm H2 flow to obtain ... well as the carbon graphitization (see Fig 3. 2 (a)) On the other hand, at a high growth temperature of 800 °C, thermal pyrolysis of C2H4 would take place to form amorphous ca...
Integrated platinum carbon nanotube based electrocatalyst for high efficiency proton exchange membrane fuel cells 4
... studies [13-17] 20000 4f7/2, 71.1 eV 4f5/2, 74. 4 eV 16000 CPS 12000 8000 40 00 84 82 80 78 76 74 72 70 68 66 64 Binding energy / eV Fig 4. 4 XPS spectrum of Pt nanoparticles on CNT /carbon paper by sputter-deposition ... sccm C2H4) 0.8 Pt/CNT -based cathode (15 sccm C2H4) Cell potential / V Pt/CNT -based cathode (20 sccm C2H4) Pt/CNT -based cathode (25 sccm C2H4) 0.6 -2 Pt loading:...