Rational design of stainless steel self-catalytic reactors for CO2 methanation: extending from metal powder to 3D-printed reactors

Hyo-Jin Kim; Kohsuke Mori; Takayoshi Nakano; Hiromi Yamashita

doi:10.1039/D4CY01244E

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Rational design of stainless steel self-catalytic reactors for CO₂ methanation: extending from metal powder to 3D-printed reactors†

Hyo-Jin Kim,^a Kohsuke Mori,

*^abc Takayoshi Nakano

^ab and Hiromi Yamashita

^ac

Author affiliations

* Corresponding authors

^a Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
E-mail: mori@mat.eng.osaka-u.ac.jp

^b Anisotropic Design & Additive Manufacturing Research Center, Osaka University, 2-1, Yamadaoka, Suita, Osaka 565-0871, Japan

^c Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka 565-0871, Japan

Abstract

A design framework for metal 3D-printed self-catalytic reactors (3D SCRs) using stainless steel (STS) has been demonstrated. The surface functionalization of STS was achieved through a two-step dealloying process, which is first optimized on metal powder precursor, and then successfully extended to STS 3D SCRs as a practical active catalyst for CO₂ methanation.

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Article information

DOI: https://doi.org/10.1039/D4CY01244E
Article type: Communication
Submitted: 18 Oct 2024
Accepted: 30 Dec 2024
First published: 04 Jan 2025
This article is Open Access

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Catal. Sci. Technol., 2025,15, 669-672

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Rational design of stainless steel self-catalytic reactors for CO₂ methanation: extending from metal powder to 3D-printed reactors

H. Kim, K. Mori, T. Nakano and H. Yamashita, Catal. Sci. Technol., 2025, 15, 669 DOI: 10.1039/D4CY01244E

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