作者:Yaoyuan Zhang;Qin Wu;Kun Zhang;Daxin Shi;Shujun Jia;Kangcheng Chen;Hansheng Li (1 Beijing Key Laboratory for Chemical Power Source and Green Catalysis, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China.)
出处:Langmuir : the ACS journal of surfaces and colloids 2023
摘要:Alkane catalytic cracking is regarded as one of the most significant processes for light olefin production; however, it suffers from serve catalyst de ...
作者:贾淑君,吴芹,张耀远,史大昕,陈康成,黎汉生 (北京理工大学化学与化工学院)
出处:石油化工 2023
关键词:催化裂解;HZSM-5催化剂;稳定性;烷烃;低碳烯烃
摘要:HZSM-5分子筛是目前较适宜的催化裂解催化剂,但它的微孔特性限制了反应物或产物的高效扩散传质,导致催化效率下降;且HZSM-5分子筛酸分布不均匀,使生成的小分子产物乙烯和丙烯在强酸性位点继续发生聚合-脱氢-环化-芳构化-结焦等副反应,进而生成积碳引起催化剂失活。因此,对HZSM-5分子筛的酸性质或 ...
作者:张雨宸,张耀远,吴芹,史大昕,陈康成,黎汉生 (北京理工大学化学与化工学院)
出处:化工进展 2022
关键词:丙烷脱氢;催化剂;多相反应;稳定性;失活
摘要:丙烯作为重要的有机化工原料,国内外对其需求量持续增长,造成供不应求。丙烷脱氢(PDH)工艺是以丙烷为原料定向生产丙烯的技术,具有原料来源广泛、丙烯选择性高、产物简单易分离等优势,备受人们关注。本文主要阐述了近十年PDH反应中高稳定Pt基催化剂结构调控和工艺方面的研究进展。总结发现,Pt基催化剂具有最 ...
作者:胡晨星,陈星,吴芹,史大昕,张耀远,黎汉生,陈康成 (北京理工大学化学与化工学院)
出处:高分子学报 2023
关键词:磺化聚芳醚砜;链接剂;质子交换膜;后磺化法;可控磺化度
摘要:以含苯侧基的对二(苯羰基四氟苯)为链接剂,以4,4’-二氟二苯砜分别与4,4’-二羟基二苯砜和4,4’-联苯二酚作为疏水和亲水嵌段前体,合成一系列高分子量的有序和无序的嵌段磺化聚芳醚砜(SPAES).~1H-NMR显示所制备的嵌段型SPAES的磺化位点和预测的一致,且离子交换容量(IEC)的滴定值是 ...
作者:袁洪,刘秀峰,李永健,黎汉生 (北京理工大学化学与化工学院)
出处:第四届新型太阳能电池学术研讨会 2017
关键词:CoS2;对电极;染料敏化太阳能电池
摘要:对电极是染料敏化太阳能电池(DSSC)重要的组成部分之一,降低对电极的成本,提高对电极的稳定性是目前DSSC发展的重要课题之一[2-3]。通过简单的一步溶剂热法,成功制备了一种新颖的具有三明治型多级结构的CoS2八面体/还原氧化石墨烯(CoS2/RGO)纳 ...
作者:Guo, Lin;Ma, Tiantian;Shen, Xueran;Jiao, Qingze;Zhao, Yun;Li, Hansheng;Zhang, Yaoyuan;Lv, Yuzhen;Feng, Caihong (1Beijing Key Laboratory for Chemical Power Source and Green Catalysis, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing; 100081, China;2School of Materials and Environment, Beijing Institute of Technology, Jinfeng Road No.6, Xiangzhou District, Zhuhai; 519085, China;3School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing; 102206, China;4School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing; 100191, China)
出处:SSRN 2023
摘要:It remains to be challenging to develop bifunctional catalysts for overall water splitting (OWS) with high activity and durability at large current de ...
作者:Haoyu Zhao;|Tingting Gu;|Yang Zheng;|ZuZe Li;|Xueran Shen;|Qingze Jiao;|Yun Zhao;|Hansheng Li;|Yaoyuan Zhang;|Caihong Feng (1Beijing Key Laboratory for Chemical Power Source and Green Catalysis,School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China;2Wanhua Chemical Group Co.,Ltd., Yantai City, Yantai 264002, China;3School of Materials and Environment, Beijing Institute of Technology, Zhuhai 519085, China)
出处:Journal of Alloys and Compounds 2023
摘要:Lithium-sulfur (Li-S) batteries have drawn much research attention as a contender for next-generation energy conversion systems because of their high ...
作者:Yunqi Yu;Jianting He;Tong Wang;Xinsheng Qiu;Kangcheng Chen;Qin Wu;Daxin Shi;Yaoyuan Zhang;Hansheng Li (1Yunqi Yu and Jianting He are the co-first authors of this paper and they made equal contribution to this work.;2School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China)
出处:International Journal of Hydrogen Energy 2023
摘要:Nitrogen-doped carbon nanotubes (N-CNTs) prepared by carbonization of polypyrrole nanotubes (PPy-NTs) are used as supports. Pt–CeO2/N-CNTs ...
作者:Yuchen Zhang;Yichen Yu;Yi Dai;Yaoyuan Zhang;Qi Liu;Dong Xiong;Lixia Bao;Qin Wu;Daxin Shi;Kangcheng Chen;Yuming Li;Guiyuan Jiang;Evgenii V. Kondratenko;Hansheng Li (1Beijing Key Laboratory for Chemical Power Source and Green Catalysis, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China;2State Key Laboratory of Heavy Oil Processing, China University of Petroleum Beijing, Beijing 102249, China;3Analysis and Testing Center, Beijing Institute of Technology, Beijing 102488, China;4Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Straße 29a, Rostock 18059, Germany)
出处:ACS Catalysis 2023
关键词:propane dehydrogenation;C−H bond activation;structure−reactivity relationship;concerted mechanism;DFT calculations
摘要:The efficient activation of the C–H bond in light alkanes and their catalyst design are significant for alkane-related catalytic processes in view of ...
作者:Peifu Sun;Xiao Zhang;Zhiren Guo;Xinyue Liu;Yuanming Lan;Dongxiang Zhang;Hansheng Li;Jinying Li;Helei Liu;Xiyan Xu (a School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China E-mail: xiyanxu@bit.edu.cn, hl_liu@bit.edu.cn Fax: +86-010-68914503 Tel: +86-010-68941331 ; b Belt and Road Environmental Technology Exchange and Transfer Center (Shenzhen), Shenzhen, China)
出处:New Journal of Chemistry 2023
关键词:METAL-ORGANIC FRAMEWORKS;PHOTOCATALYTIC DEGRADATION;HETEROGENEOUS FENTON;IRON TEREPHTHALATE;HYDROGEN-PEROXIDE;OXIDATION;ACID;MOF;ENVIRONMENT;COMPOSITES
摘要:The excessive discharge of isothiazolinone bacteriostatic agent-containing wastewater has posed serious threats to human health and environmental safe ...