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David J. Bradwell

Massachusetts Institute of Technology

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Featured researches published by David J. Bradwell.

Journal of the American Chemical Society | 2012

Magnesium−Antimony Liquid Metal Battery for Stationary Energy Storage

David J. Bradwell; Hojong Kim; Aislinn H. C. Sirk; Donald R. Sadoway

Batteries are an attractive option for grid-scale energy storage applications because of their small footprint and flexible siting. A high-temperature (700 °C) magnesium-antimony (Mg||Sb) liquid metal battery comprising a negative electrode of Mg, a molten salt electrolyte (MgCl(2)-KCl-NaCl), and a positive electrode of Sb is proposed and characterized. Because of the immiscibility of the contiguous salt and metal phases, they stratify by density into three distinct layers. Cells were cycled at rates ranging from 50 to 200 mA/cm(2) and demonstrated up to 69% DC-DC energy efficiency. The self-segregating nature of the battery components and the use of low-cost materials results in a promising technology for stationary energy storage applications.

Chemical Reviews | 2013

Liquid Metal Batteries: Past, Present, and Future

Hojong Kim; Dane A. Boysen; Jocelyn M. Newhouse; Brian L. Spatocco; Brice Chung; Paul J. Burke; David J. Bradwell; Kai Jiang; Alina A. Tomaszowska; Kangli Wang; Weifeng Wei; Luis A. Ortiz; Salvador A. Barriga; Sophie Poizeau; Donald R. Sadoway

Nature | 2014

Lithium–antimony–lead liquid metal battery for grid-level energy storage

Kangli Wang; Kai Jiang; Brice Chung; Takanari Ouchi; Paul J. Burke; Dane A. Boysen; David J. Bradwell; Hojong Kim; Ulrich Peter Muecke; Donald R. Sadoway

Archive | 2007