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Adsorption properties of templated nanoporous carbons consisting of 1-2 graphene layers 由1-2层石墨烯组成的模板纳米孔碳的吸附性能
Pub Date : 1900-01-01 DOI: 10.7209/carbon.010301
A variety of vapor adsorption (water, methanol, ethanol, dichloromethane, and n -hexane) is examined on templated nanoporous carbons consisting of 1-2 graphene layers including microporous zeolite-templated carbon (ZTC), mesoporous carbon mesosponge (CMS) and graphene mesosponge (GMS). Conventional nanoporous carbon materials are used as references. While water-vapor adsorption is peculiar because of the repulsion between H 2 O molecules and hydrophobic carbon, organic-vapor adsorption basically follows the mechanism of typical physisorption. The graphene-based nanoporous materials exhibit a noticeable degree of adsorption-induced expansion from their extraordinary softness except the case of inferior water-vapor adsorption on mesoporous CMS and GMS. CMS exhibits an especially large degree of adsorption-induced expansion, and achieved very high adsorption capacities up to 4.25‒4.76 cm 3 g ‒1 for organic vapors, demonstrating its feasibility as a high-capacity adsorbent. The adsorption isotherms of ZTC at 278 K and 298 K for n -hexane are overlapping well, and it is advantageous for a new type of heat pump working with force-induced phase transition. Moreover, this work provides a general prediction of the ease of organic-vapor adsorption by the product of surface tension and molar volume.
在由1-2层石墨烯组成的纳米孔碳模板上研究了各种蒸汽吸附(水、甲醇、乙醇、二氯甲烷和正己烷),包括微孔沸石模板碳(ZTC)、介孔碳海绵(CMS)和石墨烯海绵(GMS)。以传统的纳米多孔碳材料为参照。水蒸气吸附是由于h2o分子与疏水碳之间的排斥作用而产生的特殊吸附,而有机蒸汽吸附基本遵循典型的物理吸附机理。除了在介孔CMS和GMS上水蒸气吸附较差外,石墨烯基纳米多孔材料由于其特殊的柔软性表现出明显的吸附诱导膨胀。CMS表现出特别大程度的吸附诱导膨胀,对有机蒸汽的吸附量高达4.25-4.76 cm 3 g -1,证明了其作为高容量吸附剂的可行性。ZTC在278 K和298 K时对正己烷的吸附等温线重叠良好,有利于新型力致相变热泵的研究。此外,这项工作还提供了一个通过表面张力和摩尔体积乘积来预测有机蒸汽吸附难易程度的一般预测。
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引用次数: 2
Electrochemical behaviors of lithium intercalation and de-intercalation into and out of B/C materials as anodes of LIBs 锂离子作为锂离子电池阳极在B/C材料中插入和脱插的电化学行为
Pub Date : 1900-01-01 DOI: 10.7209/carbon.020205
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引用次数: 0
Electrochemical evaluation of Sn/C composites as high-performance anodes for sodium-ion batteries Sn/C复合材料作为钠离子电池高性能阳极的电化学评价
Pub Date : 1900-01-01 DOI: 10.7209/carbon.020402
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引用次数: 0
Temperature elevation of carbon materials during magic-angle-spinning solid-state NMR measurements 在魔角旋转固体核磁共振测量中碳材料的温度升高
Pub Date : 1900-01-01 DOI: 10.7209/carbon.020304
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引用次数: 0
Various mechanical tests of carbon fiber monofilament 碳纤维单丝的各种力学试验
Pub Date : 1900-01-01 DOI: 10.7209/carbon.020103
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引用次数: 1
Phosphate Ion Adsorption Characteristics of Nitrogen Doped Carbon-based Adsorbents Prepared from Sucrose, Melamine, and Urea 蔗糖、三聚氰胺和尿素制备的氮掺杂碳基吸附剂对磷酸盐离子的吸附特性
Pub Date : 1900-01-01 DOI: 10.7209/carbon.020204
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引用次数: 0
Radical Polymerization of Polydivinylbenzene inside the Pores of Activated Carbon and Structural Characterization 聚二乙烯苯在活性炭孔内的自由基聚合及其结构表征
Pub Date : 1900-01-01 DOI: 10.7209/carbon.020302
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引用次数: 0
Fabrication of Graphene-Fullerene Porous Carbons 石墨烯-富勒烯多孔碳的制备
Pub Date : 1900-01-01 DOI: 10.7209/carbon.020403
{"title":"Fabrication of Graphene-Fullerene Porous Carbons","authors":"Sogo Iwakami, Kai Haraguchi, Ryuichi Seki, Hiroki Kitayama, Tomonori Ohba","doi":"10.7209/carbon.020403","DOIUrl":"https://doi.org/10.7209/carbon.020403","url":null,"abstract":"","PeriodicalId":371463,"journal":{"name":"Carbon Reports","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123867224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of the influence of carbon surface properties on the cathode behavior of Lithium-air batteries using electrospun carbon nanofibers 碳表面性质对电纺碳纳米纤维锂空气电池阴极性能影响的研究
Pub Date : 1900-01-01 DOI: 10.7209/carbon.020102
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引用次数: 0
High Utilization Efficiency of Tetramethylbenzoquinone Hybridized inside the Pores of Activated Carbon for High-Performance Electrochemical Capacitor Electrodes 活性炭孔内杂化四甲基苯醌对高性能电化学电容器电极的高利用率
Pub Date : 1900-01-01 DOI: 10.7209/carbon.020301
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引用次数: 0
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