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Meeting Materials Science & Technology 2020
Symposium Synthesis, Characterization, Modeling and Applications of Functional Porous Materials
Presentation Title Low/Intermediate Temperature Polysiloxane Derived Ceramics with Increased Carbon for Electrical Applications
Author(s) Michelle Greenough, Zeyu Zhao, Jianhua Tong, Luiz G. Jacobsohn, Rajendra K. Bordia
On-Site Speaker (Planned) Michelle Greenough
Abstract Scope Low/Intermediate temperature (below 1000C) pyrolyzed polymer derived ceramics are amorphous ceramics with highly porous microstructure. They have a unique combination of properties including high surface area, and pore size in the range of micropores. If high electrical conductivity can be realized, they would be candidates for safer anodes for Li-ion batteries. In this research, we present results on samples composed of polysiloxane polymers, with increasing weight percent of divinylbenzene and pyrolyzed at temperatures ranging from 600 to 900C. The effect of pyrolysis temperature and carbon content on the resultant material’s microstructure, chemistry, and electrical conductivity was investigated by using Fourier-transform infrared spectroscopy (FTIR), Raman spectroscopy, thermogravimetric analysis (TGA), X-ray photoelectron spectroscopy (XPS), and electrochemical impedance spectroscopy (EIS). These results will be used to determine the relationship between the composition, microstructure, and nature of carbon on the electrical conductivity.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

An Overview of High-temperature Ceramic-carbonate Dual-phase Membranes for CO2 Capture and Conversion
Compositional Influence on Kirkendall Pore Formation during Fabrication of Gamma Prime Strengthened Superalloy Microtubes
Crystallinity Effect on Mesoporous TiO2 Nanoparticle Negative Electrode Material for Metal Ion Batteries
Density Functional Theory Study of the Porous Metal-organic Framework Material Ni-Bpy-Me
Designing Multi-phase Reaction Pathways for CO2 Capture and Enhanced H2 Production from Ca- and Mg-bearing Precursors to Produce Stable Porous Carbonates Using Cross-scale X-ray Scattering Measurements
Development of Nanostructured Vycor Glass Microspheres for Doxorubicin Administration
Experimental Thermodynamics of Zeolites and Metal-organic Frameworks
Hierarchical Porosity in δ-MnO2 Nanosheet Assemblies via Layer-tunnel Conversion
Highly Controlled and Steerable Porosity for Ceramic Structures via Freeze Casting
Introductory Comments: Synthesis, Characterization, Modeling and Applications of Functional Porous Materials
Low/Intermediate Temperature Polysiloxane Derived Ceramics with Increased Carbon for Electrical Applications
Luminescent Metal-organic Framework-Based Sensors of Rare Earth Elements in Aqueous Streams
Porous Crystalline Porphyrinic Structures for Functional Materials Applications
Porous Organic Cage Composite Membranes for Post-combustion CO2 Separation
Surface Modified ScSZ-MC Dual-phase Membrane for Pre-combustion CO2 Capture
Synchrotron Structure and Sorption Properties of a Metal Organic Framework Compound Ni(3-methyl-4,4’-bipyridine)[Ni(CN)4] for CO2 Mitigation Application
The Influence of Yttria Content and Synthetic Parameters on the Thermal Stability of Yttria-stabilized Zirconia Aerogels
Thermodynamics of Naturally Occurring 2D and 3D Mineral Hosts: Zeolites, Layered Double Hydroxides and Clays

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