In operando tomography reveals degradation mechanisms in lamellar iron foams during redox cycling at 800 °C
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DOI: 10.1016/j.jpowsour.2019.227463
Abstract: Abstract The lifetime of iron-based active materials in high-temperature redox applications (e.g., solid-oxide iron-air batteries, chemical looping) is limited by sintering, accelerated by oxidation/reduction volume changes. Here, in operando X-ray microtomography is used to reveal… read more here.
Keywords: tomography reveals; reveals degradation; lamellar iron; iron foams ... See more keywords
Structure–processing relationships of freeze-cast iron foams fabricated with various solidification rates and post-casting heat treatment
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DOI: 10.1557/jmr.2020.175
Abstract: Iron foams are potential materials for the production, purification, and recuperation of hydrogen through redox systems. They are inexpensive, recyclable, and environmentally friendly. Nevertheless, iron foams cannot be employed repeatedly for redox cycling at high… read more here.
Keywords: foams fabricated; iron foams; structure; iron ... See more keywords