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In-Situ TEM Study of a Nanoporous Ni–Co Catalyst Used for the Dry Reforming of Methane

Advanced Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya 464-8603, Japan
National Institute for Materials Science, Ibaraki 305-0044, Japan
Author to whom correspondence should be addressed.
Metals 2017, 7(10), 406;
Received: 24 August 2017 / Revised: 21 September 2017 / Accepted: 28 September 2017 / Published: 1 October 2017
(This article belongs to the Special Issue Nanoporous Metals)
PDF [12173 KB, uploaded 1 October 2017]


We performed in-situ transmission electron microscopy (TEM) on a dealloyed nanoporous NiCo catalyst used for the dry reforming of methane (DRM) to investigate the origin of the catalytic activity and structural durability. The in-situ observations and local chemical analysis indicated that the DRM induced chemical demixing of Ni and Co accompanied by grain refinement, implying possible “synergic effects” in a general bimetallic NiCo catalyst when used for the DRM. View Full-Text
Keywords: nanoporous metal; methane dry reforming; in-situ TEM observation nanoporous metal; methane dry reforming; in-situ TEM observation

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Fujita, T.; Higuchi, K.; Yamamoto, Y.; Tokunaga, T.; Arai, S.; Abe, H. In-Situ TEM Study of a Nanoporous Ni–Co Catalyst Used for the Dry Reforming of Methane. Metals 2017, 7, 406.

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