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Hierarchically porous zeolites synthesized with carbon materials as templates

《化学科学与工程前沿（英文）》 2021年 第15卷 第6期   页码 1444-1461 doi: 10.1007/s11705-021-2090-6

摘要： Hierarchically porous zeolites are promising candidates in catalytic conversion of relatively bulky molecules, and their syntheses have attracted significant attention. From both industrial and scientific perspectives, different carbon materials have been widely employed as hard templates for the preparation of hierarchically porous zeolites during the past two decades. In this review, the progress in synthetic strategies using carbon materials as templates is comprehensively summarized. Depending on the affinity between the carbon templates and zeolite precursors, the substantial strategies for synthesizing hierarchical zeolites are introduced in direct templates and indirect templates. Direct templates methods, by which the carbon materials are directly mixed with precursors gel as hard templates, are first reviewed. Then, we discuss the indirect templates method (crystallization of carbon-silica composites), by which the carbon is produced by in situ pyrolysis of organic-inorganic precursors. In addition, the technique of encapsulating metal species into zeolites crystals with the assistance of carbon templates is also discussed. In the conclusion part, the factors affecting the synthesis of carbon-templated hierarchically porous zeolites are remarked. This review is expected to attract interest in the synthesis strategies of hierarchically porous zeolites, especially cost-effective and large-scale production methodologies, which are essential to the industrial application of hierarchical zeolites.

关键词： hierarchical zeolites     carbon materials     direct templates     indirect templates     carbon-silica composites    

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Insights into carbon-based materials for catalytic dehydrogenation of low-carbon alkanes and ethylbenzene

《化学科学与工程前沿（英文）》 2023年 第17卷 第11期   页码 1623-1648 doi: 10.1007/s11705-023-2328-6

摘要： Direct dehydrogenation with high selectivity and oxidative dehydrogenation with low thermal limit has been regarded as promising methods to solve the increasing demands of light olefins and styrene. Metal-based catalysts have shown remarkable performance for these reactions, such as Pt, CrOx, Co, ZrOx, Zn and V. Compared with metal-based catalysts, carbon materials with stable structure, rich pore texture and large surface area, are ideal platforms as the catalysts and the supports for dehydrogenation reactions. In this review, carbon materials applied in direct dehydrogenation and oxidative dehydrogenation reactions including ordered mesoporous carbon, carbon nanodiamond, carbon nanotubes, graphene and activated carbon, are summarized. A general introduction to the dehydrogenation mechanism and active sites of carbon catalysts is briefly presented to provide a deep understanding of the carbon-based materials used in dehydrogenation reactions. The unique structure of each carbon material is presented, and the diversified synthesis methods of carbon catalysts are clarified. The approaches for promoting the catalytic activity of carbon catalysts are elaborated with respect to preparation method optimization, suitable structure design and heteroatom doping. The regeneration mechanism of carbon-based catalysts is discussed for providing guidance on catalytic performance enhancement. In addition, carbon materials as the support of metal-based catalysts contribute to exploiting the excellent catalytic performance of catalysts due to superior structural characteristics. In the end, the challenges in current research and strategies for future improvements are proposed.

关键词： carbon materials     dehydrogenation     active sites     mechanism     catalytic performance     support    

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Carbon-based materials for photodynamic therapy: A mini-review

Di Lu, Ran Tao, Zheng Wang

《化学科学与工程前沿（英文）》 2019年 第13卷 第2期   页码 310-323 doi: 10.1007/s11705-018-1750-7

摘要： Carbon-based materials have been extensively applied in photodynamic therapy owing to the unique optical characteristics, good biocompatibility and tunable systematic toxicity. This mini-review mainly focuses on the recent application of carbon-based materials including graphene, carbon nanotube, fullerene, corannulene, carbon dot and mesoporous carbon nanoparticle. The carbon-based materials can perform not only as photosensitizers, but also effective carriers for photosensitizers in photodynamic therapy, and its combined treatment.

关键词： photodynamic therapy     carbon-based materials     graphene     carbon nanotube     fullerene     corannulene     carbon dot     mesoporous carbon nanoparticle    

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Pumping into a cool future: electrocaloric materials for zero-carbon refrigeration

《能源前沿（英文）》 2022年 第16卷 第1期   页码 19-22 doi: 10.1007/s11708-022-0820-1

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Activated carbons and amine-modified materials for carbon dioxide capture –– a review

Zhenhe CHEN, Shubo DENG, Haoran WEI, Bin WANG, Jun HUANG, Gang YU

《环境科学与工程前沿（英文）》 2013年 第7卷 第3期   页码 326-340 doi: 10.1007/s11783-013-0510-7

摘要： Rapidly increasing concentration of CO in the atmosphere has drawn more and more attention in recent years, and adsorption has been considered as an effective technology for CO capture from the anthropogenic sources. In this paper, the attractive adsorbents including activated carbons and amine-modified materials were mainly reviewed and discussed with particular attention on progress in the adsorbent preparation and CO adsorption capacity. Carbon materials can be prepared from different precursors including fossil fuels, biomass and resins using the carbonization-activation or only activation process, and activated carbons prepared by KOH activation with high CO adsorbed amount were reviewed in the preparation, adsorption capacity as well as the relationship between the pore characteristics and CO adsorption. For the amine-modified materials, the physical impregnation and chemical graft of polyethylenimine (PEI) on the different porous materials were introduced in terms of preparation method and adsorption performance as well as their advantages and disadvantages for CO adsorption. In the last section, the issues and prospect of solid adsorbents for CO adsorption were summarized, and it is expected that this review will be helpful for the fundamental studies and industrial applications of activated carbons and amine-modified adsorbents for CO capture.

关键词： adsorption capacity     CO2 capture     activated carbon     amine-impregnated adsorbents    

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Pt–C interactions in carbon-supported Pt-based electrocatalysts

《化学科学与工程前沿（英文）》 2023年 第17卷 第11期   页码 1677-1697 doi: 10.1007/s11705-023-2300-5

摘要： Carbon-supported Pt-based materials are highly promising electrocatalysts. The carbon support plays an important role in the Pt-based catalysts by remarkably influencing the growth, particle size, morphology, dispersion, electronic structure, physiochemical property and function of Pt. This review summarizes recent progress made in the development of carbon-supported Pt-based catalysts, with special emphasis being given to how activity and stability enhancements are related to Pt–C interactions in various carbon supports, including porous carbon, heteroatom doped carbon, carbon-based binary support, and their corresponding electrocatalytic applications. Finally, the current challenges and future prospects in the development of carbon-supported Pt-based catalysts are discussed.

关键词： Pt–C interactions     Pt-based materials     carbon support     electrocatalysis    

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Photothermal materials for efficient solar powered steam generation

Fenghua Liu, Yijian Lai, Binyuan Zhao, Robert Bradley, Weiping Wu

《化学科学与工程前沿（英文）》 2019年 第13卷 第4期   页码 636-653 doi: 10.1007/s11705-019-1824-1

摘要： Solar powered steam generation is an emerging area in the field of energy harvest and sustainable technologies. The nano-structured photothermal materials are able to harvest energy from the full solar spectrum and convert it to heat with high efficiency. Moreover, the materials and structures for heat management as well as the mass transportation are also brought to the forefront. Several groups have reported their materials and structures as solutions for high performance devices, a few creatively coupled other physical fields with solar energy to achieve even better results. This paper provides a systematic review on the recent developments in photothermal nanomaterial discovery, material selection, structural design and mass/heat management, as well as their applications in seawater desalination and fresh water production from waste water with free solar energy. It also discusses current technical challenges and likely future developments. This article will help to stimulate novel ideas and new designs for the photothermal materials, towards efficient, low cost practical solar-driven clean water production.

关键词： solar stream generation     plasmonics     porous carbon     photothermal materials     solar energy conversion efficiency     water vapor generation rate    

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Influence of Fe on electrocatalytic activity of iron-nitrogen-doped carbon materials toward oxygen reduction

Lin LI, Cehuang FU, Shuiyun SHEN, Fangling JIANG, Guanghua WEI, Junliang ZHANG

《能源前沿（英文）》 2022年 第16卷 第5期   页码 812-821 doi: 10.1007/s11708-020-0669-0

摘要： The development of highly active nitrogen-doped carbon-based transition metal (M-N-C) compounds for the oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs) greatly helps reduce fuel cell cost, thus rapidly promoting their commercial applications. Among different M-N-C electrocatalysts, the series of Fe-N-C materials are highly favored because of their high ORR activity. However, there remains a debate on the effect of Fe, and rare investigations focus on the influence of Fe addition in the second heat treatment usually performed after acid leaching in the catalyst synthesis. It is thus very critical to explore the influences of Fe on the ORR electrocatalytic activity, which will, in turn, guide the design of Fe-N-C materials with enhanced performance. Herein, a series of Fe-N-C electrocatalysts are synthesize and the influence of Fe on the ORR activity are speculated both experimentally and theoretically. It is deduced that the active site lies in the structure of Fe-N , accompanied with the addition of appropriate Fe, and the number of active sites increases without the occurrence of agglomeration particles. Moreover, it is speculated that Fe plays an important role in stabilizing N as well as constituting active sites in the second pyrolyzing process.

关键词： oxygen reduction reaction     Fe-N-C     active sites     Fe addition     second heat treatment    

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提升前沿新材料产业基础能力战略研究

刘雪峰,刘昌胜,谢建新

《中国工程科学》 2022年 第24卷 第2期   页码 29-37 doi: 10.15302/J-SSCAE-2022.02.006

摘要：

本文重点分析了面向类脑智能、人工智能、深空探测、网络安全、高效能量转化等尖端科技领域中前沿新材料产业的基础能力现状与问题。面向2025年、 2035年的阶段性发展规划，从提升前沿新材料产业科技创新基础能力、支撑保障基础能力、竞争基础能力、可持续发展基础能力、基础设施建设水平以及改善产业生态环境等方面提出了我国前沿新材料产业基础能力的发展目标与发展战略。为满足新一轮科技革命和产业变革对前沿新材料的需求，从材料基因工程提升前沿新材料产业基础能力、双循环新发展格局下前沿新材料产业布局、碳达峰与碳中和发展战略下的前沿新材料产业布局，自主可控的前沿新材料测试表征能力建设等方面提出了发展建议。

关键词： 前沿新材料，产业基础能力，尖端科技，材料基因工程，双循环，碳达峰与碳中和    

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Facile preparation of polybenzoxazine-based carbon microspheres with nitrogen functionalities: Effects

Uthen Thubsuang, Suphawadee Chotirut, Apisit Thongnok, Archw Promraksa, Mudtorlep Nisoa, Nicharat Manmuanpom, Sujitra Wongkasemjit, Thanyalak Chaisuwan

《化学科学与工程前沿（英文）》 2020年 第14卷 第6期   页码 1072-1086 doi: 10.1007/s11705-019-1899-8

摘要： In this study, polybenzoxazine (PBZ)-based carbon microspheres were prepared via a facile method using a mixture of formaldehyde (F) and dimethylformamide (DMF) as the solvent. The PBZ microspheres were successfully obtained at the F/DMF weight ratios of 0.4 and 0.6. These microspheres exhibited high nitrogen contents after carbonization. The microstructures of all the samples showed an amorphous phase and a partial graphitic phase. The porous carbon with the F/DMF ratio of 0.4 showed significantly higher specific capacitance (275.1 F g ) than the reference carbon (198.9 F g ) at 0.05 A g . This can be attributed to the synergistic electrical double-layer capacitor and pseudo-capacitor behaviors of the porous carbon with the F/DMF ratio of 0.4. The presence of nitrogen/oxygen functionalities induced pseudo-capacitance in the microspheres, and hence increased their total specific capacitance. After activation with CO , the specific surface area of the carbon microspheres with the F/DMF ratio of 0.4 increased from 349 to 859 m g and the specific capacitance increased to 424.7 F g . This value is approximately two times higher than that of the reference carbon. The results indicated that the F/DMF ratio of 0.4 was suitable for preparing carbon microspheres with good supercapacitive performance. The nitrogen/oxygen functionalities and high specific surface area of the microspheres were responsible for their high capacitance.

关键词： PBZ     carbon     porous materials     microsphere     supercapacitor    

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解决一维材料黏附行为的实验方法综述 Review

James L. Mead, Shiliang Wang, Sören Zimmermann, Sergej Fatikow, Han Huang

《工程（英文）》 2023年 第24卷 第5期   页码 39-72 doi: 10.1016/j.eng.2023.02.012

摘要：

一维(1D)材料(如纳米管和纳米线)的黏附行为在集成一维组件的新型器件以及基于一维阵列的仿生黏合剂的有效制造、功能和可靠性中起着决定性作用。本文汇编并批判性地评估了最近的实验技术，旨在表征由一维材料形成的界面的粘附行为（包括当这些材料与衬底或邻近的一维材料接触时）。讨论了一维材料与表面的构象以及与之相关的多粗糙度接触的发生，并探讨了界面附着和剥离过程中黏附和摩擦的耦合。考虑了一维材料作为增强剂在纳米复合材料中的应用以及相关的界面表征技术。研究了样品制备和黏附测试过程中存在的环境条件对一维界面相互作用的潜在影响，并最终改变了一维材料的粘附行为。最后，简要介绍了当前的挑战和未来的方向，包括测试环境的系统调查和通过表面改性改变附着力。

关键词： 界面粘附     一维材料     纳米线     碳纳米管     纳米操控     表面力     机械剥皮    

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航空制造业绿色低碳化发展研究

吴光辉,张志雄,王兆兵,苗强,王宁,张亚伟,常硕,贾康

《中国工程科学》 2023年 第25卷 第5期   页码 157-164 doi: 10.15302/J-SSCAE-2023.05.008

摘要： Carbon offsetting and reduction scheme for international aviation CORSIA [EBOL]. [ 2023-03-28 ].comac.cc

Funding project: Chinese Academy of Engineering project “Research on the ‘Dual Carbon

关键词： 航空制造业；绿色；低碳化；飞机设计；材料；飞机制造    

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Influence of envelope insulation materials on building energy consumption

Junlan YANG, Jiabao TANG

《能源前沿（英文）》 2017年 第11卷 第4期   页码 575-581 doi: 10.1007/s11708-017-0473-7

摘要： In this paper, the influence of different external wall insulation materials on the energy consumption of a newly built apartment in Germany is investigated. Three types of insulation materials commonly used in Germany including mineral fiber, polyurethane, and vacuum insulation panel are chosen for the case studies. An energy analysis model is established to clarify the primary energy use for production of the insulation materials and for building space heating. The calculation results show that the energy consumption for insulation material production increases with the insulation thickness, whereas the energy use for space heating decreases with the insulation thickness. Thus, there exists an optimum thickness to get the lowest total energy consumption for each kind of insulation material. The ascending order of the total energy consumption of the three materials is mineral fiber, polyurethane, and vacuum insulation panel. However, the optimum insulation thicknesses for the three insulation materials show a verse order at a certain heat transfer coefficient of the base envelope. The energy payback time (EPT) is proposed to calculate the payback time of the primary energy use for insulation material production. Mineral fiber has the shortest time, followed by polyurethane and vacuum insulation panel. The EPTS is 10, 19 and 21 years, respectively when the heat transfer coefficient of the base envelope is 0.2 W/(m ·K). In addition, the simulated results show that the theoretical value and the simulated value are basically identical.

关键词： building envelope     insulation materials     energy consumption     payback time    

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碳基燃料SOFC阳极材料研究进展

孙春文,孙杰,杨伟,马朝晖,李 帅,仙存妮, 王少飞,肖睿娟,施思齐,李 泓,陈立泉

《中国工程科学》 2013年 第15卷 第2期   页码 77-87

摘要：

固体氧化物燃料电池（SOFCs）是一类可以将燃料气体的化学能以高效而环境友好的方式直接转化为电能的电化学反应器。最近的研究趋势是发展可以直接电化学氧化碳氢化合物燃料（如天然气）的电池，但是使用碳氢化合物作为燃料时，目前最常使用的镍-氧化钇稳定的氧化锆（Ni/YSZ）金属陶瓷阳极材料具有易积碳和硫中毒的缺点。因此，研究在燃料气氛下具有混合离子-电子电导的替代阳极材料显得尤为必要。综述了以碳基燃料工作的SOFCs阳极材料研究的一些进展，并展望本领域在未来的发展趋势。

关键词： 固体氧化物燃料电池     阳极材料     碳基燃料     抗积碳     抗硫    

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标题 作者 时间 类型 操作

Hierarchically porous zeolites synthesized with carbon materials as templates

期刊论文

Insights into carbon-based materials for catalytic dehydrogenation of low-carbon alkanes and ethylbenzene

期刊论文

Carbon-based materials for photodynamic therapy: A mini-review

Di Lu, Ran Tao, Zheng Wang

期刊论文

Pumping into a cool future: electrocaloric materials for zero-carbon refrigeration

期刊论文

Activated carbons and amine-modified materials for carbon dioxide capture –– a review

Zhenhe CHEN, Shubo DENG, Haoran WEI, Bin WANG, Jun HUANG, Gang YU

期刊论文

Pt–C interactions in carbon-supported Pt-based electrocatalysts

期刊论文

Photothermal materials for efficient solar powered steam generation

Fenghua Liu, Yijian Lai, Binyuan Zhao, Robert Bradley, Weiping Wu

期刊论文

Influence of Fe on electrocatalytic activity of iron-nitrogen-doped carbon materials toward oxygen reduction

Lin LI, Cehuang FU, Shuiyun SHEN, Fangling JIANG, Guanghua WEI, Junliang ZHANG

期刊论文

提升前沿新材料产业基础能力战略研究

刘雪峰,刘昌胜,谢建新

期刊论文

Facile preparation of polybenzoxazine-based carbon microspheres with nitrogen functionalities: Effects

Uthen Thubsuang, Suphawadee Chotirut, Apisit Thongnok, Archw Promraksa, Mudtorlep Nisoa, Nicharat Manmuanpom, Sujitra Wongkasemjit, Thanyalak Chaisuwan

期刊论文

解决一维材料黏附行为的实验方法综述

James L. Mead, Shiliang Wang, Sören Zimmermann, Sergej Fatikow, Han Huang

期刊论文

航空制造业绿色低碳化发展研究

吴光辉,张志雄,王兆兵,苗强,王宁,张亚伟,常硕,贾康

期刊论文

郗凤明：水泥材料碳汇和水泥行业碳中和路径（2023年9月24日）

2023年09月28日

会议视频

Influence of envelope insulation materials on building energy consumption

Junlan YANG, Jiabao TANG

期刊论文

碳基燃料SOFC阳极材料研究进展

孙春文,孙杰,杨伟,马朝晖,李 帅,仙存妮, 王少飞,肖睿娟,施思齐,李 泓,陈立泉

期刊论文