Ternary NiMo-Bi liquid alloy catalyst for efficient hydrogen production from methane pyrolysis-Reference-Cited by-同舟云学术

Ternary NiMo-Bi liquid alloy catalyst for efficient hydrogen production from methane pyrolysis

Published:2023-08-25 Issue:6660 Volume:381 Page:857-861
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Chen Luning¹^ORCID,Song Zhigang¹²^ORCID,Zhang Shuchen¹^ORCID,Chang Chung-Kai³^ORCID,Chuang Yu-Chun³^ORCID,Peng Xinxing¹^ORCID,Dun Chaochao⁴^ORCID,Urban Jeffrey J.⁴^ORCID,Guo Jinghua⁵^ORCID,Chen Jeng-Lung³^ORCID,Prendergast David⁴^ORCID,Salmeron Miquel¹^ORCID,Somorjai Gabor A.¹⁶^ORCID,Su Ji¹⁷^ORCID

Affiliation:

1. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

2. John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.

3. National Synchrotron Radiation Research Center, Science-Based Industrial Park Hsinchu 300092, Taiwan.

4. Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

5. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

6. Department of Chemistry, University of California-Berkeley, Berkeley, CA 94720, USA.

7. Energy Storage and Distributed Resources Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

Abstract

Methane pyrolysis (MP) is a potential technology for CO 2 -free hydrogen production that generates only solid carbon by-products. However, developing a highly efficient catalyst for stable methane pyrolysis at a moderate temperature has been challenging. We present a new and highly efficient catalyst created by modifying a Ni-Bi liquid alloy with the addition of Mo to produce a ternary NiMo-Bi liquid alloy catalyst (LAC). This catalyst exhibited a considerably low activation energy of 81.2 kilojoules per mole, which enabled MP at temperatures between 450 and 800 Celsius and a hydrogen generation efficiency of 4.05 ml per gram of nickel per minute. At 800 Celsius, the catalyst exhibited 100% H 2 selectivity and 120 hours of stability.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Link

https://www.science.org/doi/pdf/10.1126/science.adh8872

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