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Title: Design of optimum solid oxide membrane electrolysis cells for metals production

Oxide to metal conversion is one of the most energy-intensive steps in the value chain for metals production. Solid oxide membrane (SOM) electrolysis process provides a general route for directly reducing various metal oxides to their respective metals, alloys, or intermetallics. Because of its lower energy use and ability to use inert anode resulting in zero carbon emission, SOM electrolysis process emerges as a promising technology that can replace the state-of-the-art metals production processes. In this paper, a careful study of the SOM electrolysis process using equivalent DC circuit modeling is performed and correlated to the experimental results. Finally, a discussion on relative importance of each resistive element in the circuit and on possible ways of lowering the rate-limiting resistive elements provides a generic guideline for designing optimum SOM electrolysis cells.
Authors:
 [1] ;  [1]
  1. Boston Univ., Boston, MA (United States). Dept. of Mechanical Engineering and Div. of Materials Science and Engineering
Publication Date:
Grant/Contract Number:
EE0003454; FC36-14GO14011; EE0005547; DMI-9424069; DMI-0457381; CBET-1210442; DMR-08-19762
Type:
Published Article
Journal Name:
Progress in Natural Science
Additional Journal Information:
Journal Volume: 25; Journal Issue: 6; Journal ID: ISSN 1002-0071
Publisher:
Chinese Materials Research Society
Research Org:
Metal Oxygen Separation Technologies, Inc.
Sponsoring Org:
USDOE; National Science Foundation (NSF)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Electrolysis; Solid oxide; Membranes; Metals production; Environmentally benign; som technology; molten flux; deoxidation; magnesium; alloys; copper
OSTI Identifier:
1233949
Alternate Identifier(s):
OSTI ID: 1315311