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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium REWAS 2022: Energy Technologies and CO2 Management
Presentation Title Design of a Molten Salt Metal-air Battery with High-energy Density
Author(s) Mahya Shahabi, Nicholas Masse, Hongyi Sun, Lucien Wallace, Adam Powell, Yu Zhong
On-Site Speaker (Planned) Mahya Shahabi
Abstract Scope Decarbonization of long-haul transportation i.e. ships and trains is among the toughest challenges toward eliminating greenhouse emissions, but metal-air batteries have extraordinary potential to meet this challenge. More specifically, Mg-air batteries have the potential for 30-40 times the energy of lithium-ion batteries at very high efficiency, and their Mg anode and molten salt materials are abundant in seawater. The two main criteria for these batteries are stability of the cathode material and removal of MgO product from the electrolyte through directional solidification. This talk will present experimental and modeling results for a novel molten salt magnesium-air battery with an MgCl₂-NaCl-KCl-MgO electrolyte operating at 420-620C. O⁻ dissolves at the cathodes and Mg⁺ at anodes. Experimental results show 1.9V open-circuit voltage, which is the highest to date for an Mg-air battery. Modeling shows up to 1.17 W/cm at 73% efficiency and 2.89 W/cm at 36% efficiency. This work illustrates the proof of concept of Mg-air batteries and discusses the requirements for larger-scale cells.
Proceedings Inclusion? Planned:
Keywords Energy Conversion and Storage, Environmental Effects, Solidification

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Benefits of a Smart Electrical Energy Management Information System and Its Impact in Your CO2 Footprint
Copper in Biomass Fuels and Its Effect on Combustion Processes
Design of a Molten Salt Metal-air Battery with High-energy Density
Design of Phase Change Material Composites for Efficient and Rapid Storage of Thermal Energy
Development of a Thermodynamic Model for Chromates, Molybdates, Tungstates and Vanadates Involved in the Corrosion of Steels (Fe, Cr, Ni, Mo, W, V) at High Temperatures in Atmospheres Containing O-H-S-C-Cl and Alkaline Salts
Energy Efficiency, Electrification, and Low-carbon Fuels & Energy Sources for Decarbonizing Materials Industry
Geomimicry Inspired MicroNano Concrete as Subsurface Hydraulic Barrier Materials: Learning from Shale Rocks as Best Geological Seals
Heat Island Mitigation Strategy for Urban Areas Using Phase Change Materials (PCM)
Macroscopic Modeling and Phase Field Modeling of Solar Grade Silicon by Molten Salt Electrolysis
Modes of Operation, Design, and Experiments in a Laboratory Solar Convective Furnace System
NOW ON-DEMAND ONLY - Circored Fine Ore Direct Reduction Plus DRI Smelting - Proven Technologies for the Transition towards Green Steel
Power to Hydrogen the Prospects of Green Hydrogen Production Potential in Africa
Radiative Cooling: Harnessing the Cold of Space as a Renewable Thermodynamic Resource
Review on Hydrotalcite-derived Material from Waste Metal Dust, a Solid Adsorbent for CO2 Capture: Challenges and Opportunities in South African Coal Fired Thermal Plant
Silicon-production from SiO-gas via Gas-phase Reactions
Solidification of Salt Hydrate Eutectics Using Multiple Nucleation Agents
Synthesis Methods for Nanoparticle Morphology Control in Clean Energy Applications
The Influence of H2 and CO Atmospheres on SiO Formation
Thermoeconomics and Dyanamics of Orange Hydrogen Production, an Energy Matter
To Decarbonize Industry, We Must Decarbonize Heat
Treatment of an Indigenous Lepidolite Ore for Sustainable Energy Considerations

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