{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T19:15:42Z","timestamp":1785352542728,"version":"3.55.0"},"reference-count":53,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2022,12,12]],"date-time":"2022-12-12T00:00:00Z","timestamp":1670803200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>Ammonia decomposition to hydrogen technique is an effectively way to solve the problems associated with the storage and transportation of hydrogen, but the development of a high-performance catalyst for ammonia decomposition is a great challenge. Ni species supported on activated attapulgite clay (AATP) is prepared by a homogeneous precipitation method for ammonia decomposition to COx-free H2. The structural properties of the Ni\/AATP catalysts are characterized by thermogravimetric analysis, X-ray diffraction, scanning and transmission electron microscopy, H2 temperature-programmed reduction, and N2 sorption technique. It is revealed that the porous structure and high surface area of rod-like symmetric AATP results in highly dispersed NiO particles because the presence of a strong interaction between AATP and NiO particles. In particular, the Si-OH in AATP can react with Ni species, forming Si-O-Ni species at the interface between Ni and AATP. The Ni\/AAPT catalysts are used for ammonia decomposition, the 20%-Ni\/ATTP catalyst shows a 95.3% NH3 conversion with 31.9 mmol min\u22121 gcat\u22121 H2 formation rate at 650 \u00b0C. This study opens a new way to utilize natural minerals as an efficient support of catalysts towards ammonia decomposition reaction.<\/jats:p>","DOI":"10.3390\/sym14122627","type":"journal-article","created":{"date-parts":[[2022,12,12]],"date-time":"2022-12-12T03:36:09Z","timestamp":1670816169000},"page":"2627","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Nickel Nanoparticles Anchored on Activated Attapulgite Clay for Ammonia Decomposition to Hydrogen"],"prefix":"10.3390","volume":"14","author":[{"given":"Ling-Feng","family":"Zhang","sequence":"first","affiliation":[{"name":"Changzhou Vocational Institute of Engineering, Changzhou 213164, China"},{"name":"School of Materials Science and Engineering, Nankai University, Tianjin 300350, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhong-Pan","family":"Hu","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering, Nankai University, Tianjin 300350, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shi-Hang","family":"Liang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Catalytic Materials and Reaction Engineering, Research Institute of Petroleum Processing, SINOPEC, Beijing 100083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feng","family":"Xu","sequence":"additional","affiliation":[{"name":"Tianjin Workstation, Technology Center of Shanghai Tobacco Group Co., Ltd., Tianjin 300163, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhong-Yong","family":"Yuan","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering, Nankai University, Tianjin 300350, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,12,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"145","DOI":"10.1016\/j.joei.2021.09.001","article-title":"Plasma-enhanced catalytic ammonia decomposition over ruthenium (Ru\/Al2O3) and soda glass (SiO2) materials","volume":"99","author":"Kambara","year":"2021","journal-title":"J. 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