Journal of Porous Materials最新文献_第3页

Pitch-based spherical activated carbons with small mesopores for CO2 capture

IF 2.5 4区材料科学

Journal of Porous Materials Pub Date : 2024-09-24 DOI: 10.1007/s10934-024-01687-5

Dongdong Zhang, Kaixi Li

{"title":"Pitch-based spherical activated carbons with small mesopores for CO2 capture","authors":"Dongdong Zhang, Kaixi Li","doi":"10.1007/s10934-024-01687-5","DOIUrl":"10.1007/s10934-024-01687-5","url":null,"abstract":"<div>A simple suspension polymerization coupling with oxidative stabilization, carbonization, and H2O steam activation are applied to synthesize a series of hierarchical porous millimeter-sized pitch-based spherical activated carbons (PSAC). The as-obtained PSAC possess a tunable specific surface area from 975 m2 g− 1 to 1761 m2 g− 1, a pore volume of 0.44 ~ 0.82 cm3 g− 1, and spherical morphology via regulation of H2O activation time. The CO2 adsorption capacity is closely related to the ultramicroporous volumes below 0.2 bar. The introduction of rich micropores has a positively influence on CO2 adsorption capacity that can reach 2.59 mmol g− 1 at 1.0 bar. When the pressure increasing to 5.0 bar, the micro-mesoporous PSAC shows higher CO2 adsorption capacity of 7.23 mmol g− 1 at 5 bar than microporous PSAC, indicating that the introduction of moderate mesopores can accelerate CO2 diffusion rate and improve the utilization of micropores active adsorption sites. Based on the ideal adsorption solution theory (IAST), the CO2/N2 and CO2/H2O adsorption selection factors Sads of PSAC are as high as 49.9 and 8.29, respectively. Therefore, PSAC with high adsorption/desorption rate, good selectivity for CO2/N2 and CO2/H2O, excellent renewability, and easy mass production provide potential options for industrial application of CO2 capture.</div>","PeriodicalId":660,"journal":{"name":"Journal of Porous Materials","volume":"32 1","pages":"117 - 127"},"PeriodicalIF":2.5,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation of thorny pear residue-based microporous carbon and its adsorption performance for low concentration CO2

IF 2.5 4区材料科学

Journal of Porous Materials Pub Date : 2024-09-24 DOI: 10.1007/s10934-024-01686-6

Yu-Hua Zhang, Yan-Mei Jin, Hong Wu, Song Li, Bu-Jin Liu

{"title":"Preparation of thorny pear residue-based microporous carbon and its adsorption performance for low concentration CO2","authors":"Yu-Hua Zhang, Yan-Mei Jin, Hong Wu, Song Li, Bu-Jin Liu","doi":"10.1007/s10934-024-01686-6","DOIUrl":"10.1007/s10934-024-01686-6","url":null,"abstract":"<div>In this study, a high-performance microporous carbon adsorbent for carbon dioxide adsorption was prepared from thorny pear residue, with KOH as the pore-forming agent and urea for modification to enrich nitrogen in the microporous carbon. The effects of activation temperature and urea addition on the pore structure and carbon dioxide adsorption capacity of the microporous carbon were studied. The microporous carbon was characterized using N2 adsorption/desorption, scanning electron microscopy (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Fourier transform infrared spectroscopy (FT-IR). The results showed that the optimum preparation conditions for the microporous carbon were an activation temperature of 700 °C and urea addition of 15wt%; the specific surface area of CAC-15-1.5-700 microporous carbon was 1386m2g− 1, the micropore volume was 0.584cm3g− 1, and the maximum carbon dioxide adsorption capacity was 3.80mmolg− 1, indicating excellent CO2 adsorption ability. The nitrogen elements on the microporous carbon existed mainly in the form of pyridine N (N-6), pyrrole N (N-5), and quaternary N (N-Q) functional groups, and the high N-5 content was an important factor for carbon dioxide adsorption.</div>","PeriodicalId":660,"journal":{"name":"Journal of Porous Materials","volume":"32 1","pages":"129 - 139"},"PeriodicalIF":2.5,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Correction: One-step synthesis of CuO/MCM-41 nanocomposites and their application in photocatalytic degradation of dyes 更正：一步法合成 CuO/MCM-41 纳米复合材料及其在光催化降解染料中的应用

IF 2.5 4区材料科学

Journal of Porous Materials Pub Date : 2024-09-21 DOI: 10.1007/s10934-024-01680-y

Shuai Zhang, Ning Yu, Yunyang Li, Pengyuan Zhang, Qichao Huang, Li Shen

引用次数: 0

Scalable synthesis of micro@meso porous carbon using crop-waste as cost-effective electrode materials for energy storage

IF 2.5 4区材料科学

Journal of Porous Materials Pub Date : 2024-09-21 DOI: 10.1007/s10934-024-01682-w

Yakub Banothu, Swapna Peravali, D. V. Rama Koti Reddy, Saif M. H. Qaid, Vishwanath Hiremath, P. S. Srinivasa Babu

{"title":"Scalable synthesis of micro@meso porous carbon using crop-waste as cost-effective electrode materials for energy storage","authors":"Yakub Banothu, Swapna Peravali, D. V. Rama Koti Reddy, Saif M. H. Qaid, Vishwanath Hiremath, P. S. Srinivasa Babu","doi":"10.1007/s10934-024-01682-w","DOIUrl":"10.1007/s10934-024-01682-w","url":null,"abstract":"<div>Development of recycling pathways to produce sustainable and high-surface area carbon materials using crop-waste biomass is highly desirable for the design of cost-effective energy storage devices. In this study, three different activated carbon-based materials for supercapacitor application were prepared via simple metal halide activation on crop- waste biomass, specifically from the banana plant derivatives. The prepared samples with the single step activation show exceptional high surface area and large porosity, which are essential for elevating the energy storage performance. Among the different samples developed, stalk-derived activated carbon shows the highest surface area of 1311 m2/g and the average pore diameter of 1.77 nm. Nevertheless, all the samples constitute of three different porosities including micro-, meso-, and macro-pores responsible for the energy storage application. When tested for flexible electrode using porous carbon coated hydrophilic carbon cloth in symmetric supercapacitor, the device exhibits high specific/areal capacitance of 166.3 F/g/415.7 mF/cm2 at a current density of 3 mA/cm2 with exceptional cycling stability of 94% retention after 10,000 cycles. Moreover, the symmetric supercapacitor device enables the maximum energy and power densities of 17.2 Wh/kg and 2214 W/kg, respectively. This simple approach illustrates the utilization of biomass waste as an inexpensive resource for the development of energy storage devices with high energy density and power densities.<h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":660,"journal":{"name":"Journal of Porous Materials","volume":"32 1","pages":"107 - 116"},"PeriodicalIF":2.5,"publicationDate":"2024-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Modification of SBA-15 for stabilizing supported oxides 改性 SBA-15 以稳定支撑的氧化物

IF 2.5 4区材料科学

Journal of Porous Materials Pub Date : 2024-09-04 DOI: 10.1007/s10934-024-01679-5

Ching-Yu Wang, Kai Shen, John M. Vohs, Raymond J. Gorte

引用次数: 0

Lotus leaf-derived capacitive carbon for zinc-ion hybrid supercapacitors prepared by one-step molten salt carbonization 通过一步熔盐碳化法制备用于锌-离子混合超级电容器的荷叶衍生电容碳

IF 2.5 4区材料科学

Journal of Porous Materials Pub Date : 2024-08-27 DOI: 10.1007/s10934-024-01678-6

Renze Pang, Jingwen Cui, Liwen Ding, Shaowei Wu, Xinhua Cheng

{"title":"Lotus leaf-derived capacitive carbon for zinc-ion hybrid supercapacitors prepared by one-step molten salt carbonization","authors":"Renze Pang, Jingwen Cui, Liwen Ding, Shaowei Wu, Xinhua Cheng","doi":"10.1007/s10934-024-01678-6","DOIUrl":"10.1007/s10934-024-01678-6","url":null,"abstract":"<div>High-performance carbon-based cathode materials were prepared by means of a facile eco-friendly and cost-effective molten salt carbonization of lotus leaves in eutectic (Na/K)2CO3 melt at 850 °C for aqueous zinc-ion hybrid supercapacitors (ZHSCs). Coin-type ZHSCs assembled as Carbon//Zn@Zn3(PO4)2 delivered 164.3 F g− 1 at 0.2 A g− 1 and 95.2 F g− 1 at 20 A g− 1 with capacitance retention of 57.9% using 2 M ZnSO4 solution as electrolyte. Meanwhile, it delivered the maximum energy density of 65.2 Wh kg− 1 at 169.0 W kg− 1 and the maximum power density of 13.3 kW kg− 1 at 23.3 Wh kg− 1. Benefitting from the multifunctionally interface-modified Zn3(PO4)2 layer acting as physical barrier and Zn2+-transfer ionic conductor, it revealed outstanding recyclability with capacitance retention of 96.6% and coulombic efficiency of 99.6% after 10,000 charge-discharge cycles at 1 A g-1. The synergistic effect on energy storage performance was discussed between porous structure, specific surface area, heteroatom doping and electrical conductivity.</div>","PeriodicalId":660,"journal":{"name":"Journal of Porous Materials","volume":"32 1","pages":"85 - 95"},"PeriodicalIF":2.5,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142208684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence of various templates on the performance of MFI zeolite in catalytic synthesis of trioxane 各种模板对 MFI 沸石催化合成三氧化二砷性能的影响

IF 2.5 4区材料科学

Journal of Porous Materials Pub Date : 2024-08-27 DOI: 10.1007/s10934-024-01677-7

Wenhui Wu, Kangrui Zhao, Kun Xiao

{"title":"Influence of various templates on the performance of MFI zeolite in catalytic synthesis of trioxane","authors":"Wenhui Wu, Kangrui Zhao, Kun Xiao","doi":"10.1007/s10934-024-01677-7","DOIUrl":"10.1007/s10934-024-01677-7","url":null,"abstract":"<div>ZSM-5 is widely used in the field of catalysis due to its stability and tunability. Its acidity can be adjusted not only by varying the initial gel composition, but also by incorporating different types of template to enhance its performance. Both [Ga]-MFI and [Ga, Al]-MFI have demonstrated promising performance in the catalytic trioxane of formaldehyde synthesis. However, there is currently a paucity of research examining the influence of different templates on the catalytic performance of [Ga]-MFI and [Ga, Al]-MFI. The influence of different templates on the structure, morphology, and pore structure of the zeolite has been revealed through the application of characterisation techniques, including XRD, MAS NMR spectroscopy, ICP-OES, BET, and SEM. The impact of different templates on the acid properties of [Ga]-MFI and [Ga, Al]-MFI was assessed using NH3-TPD and Py-IR. The results of the experimental investigation into the catalytic performance of zeolites synthesised with larger molecular-structured templates indicate that these zeolites exhibit superior catalytic performance. Furthermore, the introduction of Na + ions has been observed to reduce the space-time yield of the products.</div>","PeriodicalId":660,"journal":{"name":"Journal of Porous Materials","volume":"32 1","pages":"75 - 84"},"PeriodicalIF":2.5,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142208687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Wood-derived biochar as a matrix for cost-effective and high-performing composite thermal energy storage materials 以木质生物炭为基质，开发经济高效的高性能复合热能储存材料

IF 2.5 4区材料科学

Journal of Porous Materials Pub Date : 2024-08-22 DOI: 10.1007/s10934-024-01638-0

Lia Kouchachvili, Guillaume Gagnon-Caya, Reda Djebbar

{"title":"Wood-derived biochar as a matrix for cost-effective and high-performing composite thermal energy storage materials","authors":"Lia Kouchachvili, Guillaume Gagnon-Caya, Reda Djebbar","doi":"10.1007/s10934-024-01638-0","DOIUrl":"10.1007/s10934-024-01638-0","url":null,"abstract":"<div>High energy storage density, affordability, and environmental friendliness are the key requirements for materials used in thermal energy storage systems. A new composite thermal energy storage material (TESM) with all these requirements was fabricated by utilizing a biochar matrix. Biochar was derived from the slow pyrolysis of forestry residues, an abundant source of underutilized biomass in Canada. The results of this experimental study indicate that the carbonization conditions of the biomass affect the structure and surface morphology of the biochar and consequently its thermal properties. Amongst the carbonization conditions that were investigated in this study, a peak temperature of 800 °C with a heating rate of 2.5 °C/min yielded a biochar with an energy storage capacity of 508 J/g. This biochar was then used as a matrix for fabricating the composite TESM with salt hydrate. The composite showed high thermal stability after ten hydration/dehydration cycles with an average thermal energy storage capacity of 3795 J/g. The cost of thermal energy storage in this composite was found to be $0.50 CAD /kWhth.</div>","PeriodicalId":660,"journal":{"name":"Journal of Porous Materials","volume":"32 1","pages":"55 - 66"},"PeriodicalIF":2.5,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10934-024-01638-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142208705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Facile synthesis of copper sulfide loaded mesoporous organosilica nanospheres with a triple-shelled hollow structure 硫化铜负载介孔有机硅纳米球三重壳中空结构的简便合成

IF 2.5 4区材料科学

Journal of Porous Materials Pub Date : 2024-08-22 DOI: 10.1007/s10934-024-01668-8

Xuzhi Shi, Yifeng Yu, Ruifa Yu, Ning Wang, Wei Lu, Xiaolin Han, Tangyao Sun, Pengcheng Li, Xiaodan Su, Zhaogang Teng, Ying Liu

引用次数: 0

Thermal conductivity of macroporous graphene aerogel measured using high resolution comparative infrared thermal microscopy 利用高分辨率比较红外热显微镜测量大孔石墨烯气凝胶的导热性能

IF 2.5 4区材料科学

Journal of Porous Materials Pub Date : 2024-08-19 DOI: 10.1007/s10934-024-01675-9

Jasmine M. Cox, Jessica J. Frick, Chen Liu, Zhou Li, Yaprak Ozbakir, Carlo Carraro, Roya Maboudian, Debbie G. Senesky

{"title":"Thermal conductivity of macroporous graphene aerogel measured using high resolution comparative infrared thermal microscopy","authors":"Jasmine M. Cox, Jessica J. Frick, Chen Liu, Zhou Li, Yaprak Ozbakir, Carlo Carraro, Roya Maboudian, Debbie G. Senesky","doi":"10.1007/s10934-024-01675-9","DOIUrl":"10.1007/s10934-024-01675-9","url":null,"abstract":"<div>Graphene aerogel (GA) is a promising material for thermal management applications across many fields due to its lightweight and thermally insulative properties. However, standard values for important thermal properties, such as thermal conductivity, remain elusive due to the lack of reliable characterization techniques for highly porous materials. Comparative infrared thermal microscopy (CITM) is an attractive technique to obtain thermal conductance values of porous materials like GA, due to its non-invasive character, which requires no probing of, or contact with, the often delicate structures and frameworks. In this study, we improve upon CITM by utilizing a higher resolution imaging setup and reducing the need for pore-filling coating of the sample (previously used to adjust for emissivity). This upgraded setup, verified by characterizing porous silica aerogel, allows for a more accurate confirmation of the fundamental thermal conductivity value of GA while still accounting for the thermal resistance at material boundaries. Using this improved method, we measure a thermal conductivity below 0.036 W/m⋅K for commercial GA using multiple reference materials. These measurements demonstrate the impact of higher resolution thermal imaging to improve accuracy in low density, highly porous materials characterization. This study also reports thermal conductivity for much lower density (less than 15 mg/cm3) GA than previously published studies while maintaining the robustness of the CITM technique.</div>","PeriodicalId":660,"journal":{"name":"Journal of Porous Materials","volume":"32 1","pages":"47 - 53"},"PeriodicalIF":2.5,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142208605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0