Sacrificial Sucrose Strategy Achieved Enhancement of Ammonia Synthesis Activity over a Ceria-Supported Ru Catalyst - Details

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Abstract：

CeO2-supported　Ru　catalysts　have　high　hope　for　ammonia　synthesis;　however,　their　industrial　application　in　ammonia　synthesis　is　finite　by　the　presence　of　the　strong　metal-support　interaction　(SMSI)　or　Ru　encapsulation.　Herein,　a　sacrificial　sucrose　strategy　was　adopted　to　prepare　a　CeO2-supported　Ru　catalyst　without　invoking　SMSI　or　Ru　encapsulation.　Owing　to　the　improvement　of　the　proportion　of　Ru0,　Ce3+　concentration,　number　of　the　exposed　ruthenium　species,　and　Ru-O-Ce　bonds,　the　catalyst　obtained　by　sacrificial　sucrose　strategy　can　adsorb　lots　of　hydrogen　species,　and　a　higher　proportion　of　H　species　desorb　by　way　of　forming　H2,　leading　to　the　increase　of　ammonia　synthesis　activity　is　by　43%　in　comparison　with　the　catalyst　without　sucrose　sacrifice.　©

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Ammonia Catalyst supports Cerium oxide Hydrogen bonds Kinetic theory Sugar (sucrose)

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[ 1 ] [Fang, Biyun]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou; 350002, China
[ 2 ] [Liu, Fangming]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou; 350002, China
[ 3 ] [Zhang, Chuanfeng]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou; 350002, China
[ 4 ] [Li, Chunyan]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou; 350002, China
[ 5 ] [Ni, Jun]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou; 350002, China
[ 6 ] [Wang, Xiuyun]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou; 350002, China
[ 7 ] [Lin, Jianxin]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou; 350002, China
[ 8 ] [Lin, Bingyu]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou; 350002, China
[ 9 ] [Jiang, Lilong]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou; 350002, China

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Related Keywords：

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Source ：

ACS Sustainable Chemistry and Engineering

Year： 2021

Issue： 27

Volume： 9

Page： 8962-8969

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 21

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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