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Recent advances on metal-free graphene-based catalysts for the production of industrial chemicals
Zhiyong Wang, Yuan Pu, Dan Wang, Jie-Xin Wang, Jian-Feng Chen
《化学科学与工程前沿(英文)》 2018年 第12卷 第4期 页码 855-866 doi: 10.1007/s11705-018-1722-y
关键词: graphene-based materials metal-free catalyst industrial chemical productions catalytic reaction
Hollow carbon spheres and their noble metal-free hybrids in catalysis
《化学科学与工程前沿(英文)》 2021年 第15卷 第6期 页码 1380-1407 doi: 10.1007/s11705-021-2097-z
关键词: hollow carbon spheres functionalization noble metal-free catalysis
Metal-free, carbon-based catalysts for oxygen reduction reactions
Zhiyi Wu,Zafar Iqbal,Xianqin Wang
《化学科学与工程前沿(英文)》 2015年 第9卷 第3期 页码 280-294 doi: 10.1007/s11705-015-1524-4
关键词: oxygen reduction reaction electrocatalysis metal-free carbon-based polynitrogen
超重力环境下非金属氮掺杂石墨烯泡沫催化还原反应性能研究 Article
王志勇, 赵志建, Jesse Baucom, 王丹, Liming Dai, 陈建峰
《工程(英文)》 2020年 第6卷 第6期 页码 680-687 doi: 10.1016/j.eng.2019.12.018
本文以硝基苯还原和亚甲基蓝降解为模型反应体系,以非金属氮掺杂石墨烯泡沫(NGF)作为三维结构式催化材料,研究了超重力环境对催化反应性能的影响。在超重力旋转圆管反应器内6484 g (g = 9.81 m·s–2)的超重力环境下,非金属催化硝基苯还原的表观速率常数是传统搅拌反应器内的6 倍。通过计算流体力学理论模拟,揭示了超重力旋转管式反应器内超重力水平较高,湍流动能比传统反应器内有显著提高,液固相表面更新速度快,提高了催化反应效率。X射线光电子能谱和拉曼光谱测试表明该催化材料组成和结构在超重力环境下的反应过程中保持稳定。在另一个模型反应体系中,非金属氮掺杂石墨烯泡沫催化亚甲基蓝降解的速率也随着超重力水平的增加而增大。这些结果表明了超重力强化非金属碳基催化材料催化还原反应的潜力。
Copper nanoparticles/polyaniline-derived mesoporous carbon electrocatalysts for hydrazine oxidation
Tao Zhang, Tewodros Asefa
《化学科学与工程前沿(英文)》 2018年 第12卷 第3期 页码 329-338 doi: 10.1007/s11705-018-1741-8
Copper nanoparticles-decorated polyaniline-derived mesoporous carbon that can serve as noble metal-free electrocatalyst for the hydrazine oxidation reaction (HzOR) is synthesized via a facile synthetic route. The material exhibits excellent electrocatalytic activity toward HzOR with low overpotential and high current density. The material also remains stable during the electrocatalytic reaction for long time. Its good electrocatalytic performance makes this material a promising alternative to conventional noble metal-based catalysts (e.g., Pt) that are commonly used in HzOR-based fuel cells.
关键词: copper nanoparticles mesoporous carbon noble metal-free electrocatalyst hydrazine oxidation reaction polyaniline
以NH3OH+/NH2NH3+作为B位阳离子的无金属六方钙钛矿含能材料 Article
尚宇, 余志鸿, 黄瑞康, 陈劭力, 刘德轩, 陈晓娴, 张伟雄, 陈小明
《工程(英文)》 2020年 第6卷 第9期 页码 1013-1018 doi: 10.1016/j.eng.2020.05.018
寻找可经由简单路线合成的高性能含能材料是发展先进实用含能材料的重要问题。文中通过合理地选择分子组分,经由易于规模放大的简单合成路线,以NH3OH+和NH2NH3+分别作为B位点阳离子构筑了两例无金属六方钙钛矿含能材料(H2dabco)B(ClO4)3(分别命名为DAP-6和DAP-7,其中H2dabco2+是1,4-二氮杂双环[2.2.2]辛烷-1,4-二鎓离子)。与基于NH4+阳离子构筑的立方钙钛矿类似物(H2dabco)(NH4)(ClO4)3相比,DAP-6和DAP-7有较高的晶体堆积密度和生成焓,从而具有更高的爆轰性能。特别地,DAP-7具有超高热稳定性(起始分解温度Td = 375.3 °C)、高爆速(D = 8.883 km·s‒1)和高爆压(P = 35.8 GPa),因此具有作为耐热炸药的应用潜力。计算表明,DAP-6不仅具有较高的热稳定性(Td = 245.9 °C)以及优异的爆轰性能(D = 9.123 km·s‒1,P = 38.1 GPa),而且其爆热值(Q = 6.35 kJ·g‒1)和理论比冲值(Isp = 265.3 s)均稍优于六硝基六氮杂异伍兹烷(CL-20:Q = 6.23 kJ·g‒1,Isp = 264.8 s),在炸药和推进剂领域中具有很好的应用前景。
Rosin side chain type catalyst-free vitrimers with high cross-link density, mechanical strength, and
《化学科学与工程前沿(英文)》 2023年 第17卷 第9期 页码 1267-1279 doi: 10.1007/s11705-022-2291-7
关键词: vitrimers rosin catalyst-free high mechanical properties dynamic transesterification reaction
Shiqu CHEN, Silei XIANG, Zehao TAN, Huiyuan LI, Xiaohui YAN, Jiewei YIN, Shuiyun SHEN, Junliang ZHANG
《能源前沿(英文)》 2023年 第17卷 第1期 页码 123-133 doi: 10.1007/s11708-022-0849-1
关键词: proton exchange membrane fuel cells (PEMFCs) non-precious metal catalyst (NPMC) cathode catalyst layer (CCL) local and bulk oxygen transport resistance
Man ZHANG,Feng HE,Dongye ZHAO
《环境科学与工程前沿(英文)》 2015年 第9卷 第5期 页码 888-896 doi: 10.1007/s11783-015-0774-1
关键词: catalytic hydrodechlorination electronic structure metal nanoparticles reaction mechanisms
Diffusion process in enzyme–metal hybrid catalysts
《化学科学与工程前沿(英文)》 2022年 第16卷 第6期 页码 921-929 doi: 10.1007/s11705-022-2144-4
关键词: enzyme–metal hybrid catalyst internal diffusion proximity effect kinetic model
Songshan Jiang, Helen Daly, Huan Xiang, Ying Yan, Huiping Zhang, Christopher Hardacre, Xiaolei Fan
《化学科学与工程前沿(英文)》 2019年 第13卷 第4期 页码 718-726 doi: 10.1007/s11705-019-1804-5
关键词: microwave fibrous cellulose hydrolysis sugars mechanism
Cheng PAN, Chao FAN, Wanqin WANG, Teng LONG, Benhua HUANG, Donghua ZHANG, Peigen SU, Aqun ZHENG, Yang SUN
《能源前沿(英文)》 2022年 第16卷 第5期 页码 822-839 doi: 10.1007/s11708-020-0677-0
关键词: hydrothermal carbon morphology catalyst mono-dehydration sugar alcohol
Current challenge and perspective of PGM-free cathode catalysts for PEM fuel cells
Gang WU
《能源前沿(英文)》 2017年 第11卷 第3期 页码 286-298 doi: 10.1007/s11708-017-0477-3
关键词: oxygen reduction fuel cells cathode nonprecious metal catalysts carbon nanocomposites
Hasan Oliaei Torshizi, Ali Nakhaei Pour, Ali Mohammadi, Yahya Zamani, Seyed Mehdi Kamali Shahri
《化学科学与工程前沿(英文)》 2021年 第15卷 第2期 页码 299-309 doi: 10.1007/s11705-020-1925-x
关键词: cobalt catalyst cobalt particle size Fischer-Tropsch synthesis reduced graphene oxide supported catalyst
Noble-metal-free cobalt hydroxide nanosheets for efficient electrocatalytic oxidation
Jie Lan, Daizong Qi, Jie Song, Peng Liu, Yi Liu, Yun-Xiang Pan
《化学科学与工程前沿(英文)》 2020年 第14卷 第6期 页码 948-955 doi: 10.1007/s11705-020-1920-2
关键词: electrocatalytic oxidation cobalt hydroxide nanosheet water glucose
标题 作者 时间 类型 操作
Recent advances on metal-free graphene-based catalysts for the production of industrial chemicals
Zhiyong Wang, Yuan Pu, Dan Wang, Jie-Xin Wang, Jian-Feng Chen
期刊论文
Metal-free, carbon-based catalysts for oxygen reduction reactions
Zhiyi Wu,Zafar Iqbal,Xianqin Wang
期刊论文
Copper nanoparticles/polyaniline-derived mesoporous carbon electrocatalysts for hydrazine oxidation
Tao Zhang, Tewodros Asefa
期刊论文
Rosin side chain type catalyst-free vitrimers with high cross-link density, mechanical strength, and
期刊论文
Exploration of the oxygen transport behavior in non-precious metal catalyst-based cathode catalyst layer
Shiqu CHEN, Silei XIANG, Zehao TAN, Huiyuan LI, Xiaohui YAN, Jiewei YIN, Shuiyun SHEN, Junliang ZHANG
期刊论文
Catalytic activity of noble metal nanoparticles toward hydrodechlorination: influence of catalyst electronic
Man ZHANG,Feng HE,Dongye ZHAO
期刊论文
Microwave-assisted catalyst-free hydrolysis of fibrous cellulose for deriving sugars and biochemicals
Songshan Jiang, Helen Daly, Huan Xiang, Ying Yan, Huiping Zhang, Christopher Hardacre, Xiaolei Fan
期刊论文
Micro-sized hydrothermal carbon supporting metal oxide nanoparticles as efficient catalyst for mono-dehydration
Cheng PAN, Chao FAN, Wanqin WANG, Teng LONG, Benhua HUANG, Donghua ZHANG, Peigen SU, Aqun ZHENG, Yang SUN
期刊论文
Fischer-Tropsch synthesis by reduced graphene oxide nanosheets supported cobalt catalysts: Role of support and metalnanoparticle size on catalyst activity and products selectivity
Hasan Oliaei Torshizi, Ali Nakhaei Pour, Ali Mohammadi, Yahya Zamani, Seyed Mehdi Kamali Shahri
期刊论文