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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Alloys and Compounds for Thermoelectric and Solar Cell Applications IV
Presentation Title Kinetics of Boron Removal from Metallurgical Grade Silicon Using High Basic Calcium Silicate Slag Refining
Author(s) Jijun Wu, Min Xu, Wenhui Ma, Kuixian Wei, Bin Yang, Yongnian Dai
On-Site Speaker (Planned) Jijun Wu
Abstract Scope The non-metallic impurity boron can be removed from metallurgical grade silicon with a high efficiency using a CaO-SiO2 slag reagent. The distribution of born between slag and silicon (LB) is studied in theory and by experiments with different contents of CaO and SiO2 in reagent. The relationship of boron content in refined silicon and refining time is gotten and the corresponding kinetic equation for boron removal is deduced. The limiting concentration of boron removal from metallurgical grade silicon with the given experimental conditions is analyzed and obtained. Simultaneously, the mass transfer coefficient of boron in slag and silicon with CaO-SiO2 slag reagent refining is deduced and worked out. It is confirmed that the mass transfer of boron in molten silicon is the controlling step of boron removal with CaO-SiO2 slag refining.
Proceedings Inclusion? Planned: A print-only volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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DD-2: Interfacial Reactions at the Joints of Bi2Te3-based Thermoelectric Devices
DD-3: Liquidus Projection of the Bi-In-Te Thermoelectric Material System
DD-4: Thermoelectric Properties of Si/SiB3 sub-microcomposite Prepared by Melt Spinning Technique
Development of High-performance n-type Bi2(TeSe)3 Thermoelectric Alloys by Powder Metallurgical Process
Development of Large Scale Production of p-type Bi2Te3 Alloys with High Performance via Powder Metallurgy Approach
Effect of Excess Magnesium on Mg2Sn Based Thermoelectric Materials
Enhancement of Thermoelectric Performance Calcium Cobaltite through Cation Grain Boundary Segregation
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First-Principles Investigation on Improving Thermoelectric Materials
Half-Heusler Microstructure Investigations and Ring-shaped Thermo-elements Elaboration
Interfacial Reactions at the Joints in the CoSb3-based Thermoelectric Devices
Interfacial Reactions of PbTe and Pb0.6Sn0.4Te Thermoelectric Materials with Ag and Cu Foils Using Rapid Hot-Pressing Method and SLID Technique
Investigation of Thin Film Deposition inside Hollow Polymer Cylinders for Solar Energy Harvesting Fabric
Iron Oxide Based Amorphous Semiconductor Thin Films with Extraordinary Optical Transmission and Electrical Conductivity
Kinetics of Boron Removal from Metallurgical Grade Silicon Using High Basic Calcium Silicate Slag Refining
Microstructure, Texture and Incommensurability of Higher Manganese Silicide
Modeling the Properties of Thermoelectric Materials via First Principles Simulations
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Nanointerface Engineering of Electronic Transport in Bulk Nanostructured in Half-Heulser Alloys
Nanostructuring Silicon Base Materials and Its Impacts on the Thermoelectric Properties
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Phase Diagrams of Chalcogenide Sn-Sb-Se Ternary System
Qualification and Opportunities of Direct Casting as an Industrialized and Scalable Manufacturing Method for Silicon Based Semi Conductor Materials
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Strategies for Improving the Thermoelectric Performance in Fe2VAl-type Heusler Compounds
Structural Studies and High Performance on Mg2Si-based Ternary and Quaternary Materials for Thermoelectric Power Generation
Study of Diffusion Barrier for the Interfacial Reactions in Thermoelectric Materials under Current Stressing
Surface Passivation by AlOx in c-Si Solar Cells
Synthesis and Grain Growth Rates of Ti-Ni-Sn Based Thermoelectric Alloys
Synthesis of Higher Manganese Silicide via Low Energy Ball Milling and Reactive Sintering
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