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Effect of ultramicropores and inner space of carbon materials on the capacitive sodium storage performance

Journal of Energy Chemistry 2022年第10期31卷 35-40,I0002页

作者： Zimu Jiang Su Zhang Jing Feng Yuting Jiang Shichuan Liang Qiqi Li Mengjiao Shi Meng Cao Mingyi Zhang Tong Wei Zhuangjun Fan Key Laboratory of Superlight Materials and Surface Technology Ministry of EducationCollege of Material Science and Chemical EngineeringHarbin Engineering UniversityHarbin 150001HeilongjiangChina State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources College of ChemistryXinjiang UniversityUrumqi 830046XinjiangChina Key Laboratory for Photonic and Electronic Bandgap Materials Ministry of EducationSchool of Physics and Electronic EngineeringHarbin Normal UniversityHarbin 150025HeilongjiangChina State Key Laboratory of Heavy Oil Processing School of Materials Science and EngineeringChina University of PetroleumQingdao 266580ShandongChina

*** Carbon materials have been widely investigated as the anode materials for Na+storage due to their moderate capacity,good stability,and low *** Na+storage mechanisms of carbon are generally classified into diffusio... 详细信息

关键词： Graphene block ultramicropores Na^(+)storage Electrochemical kinetic

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Size Determination of ultramicropores and Small Mesopores Using a Calculation Procedure Based on the Tangents of Comparison Plot

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Journal of Wuhan University of Technology(Materials Science) 2010年第3期25卷 391-394页

作者：邱芹刘世权 School of Materials Science and Engineering University of Jinan

Pore size distribution（PSD） curves of synthesized hollow silica spheres with ultrmicropores and small mesopores were obtained from calculations based on the BJH,KJS,SF,MP,NLDFT models and ***＇s *** indicate that Zhu＇s method not only gives reasonable small mesopore size but also could be further extended to the ultramicropores region for the PSD evaluation.

关键词： pore size distribution comparison plot ultramicropores mesopores

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A novel one-step reaction sodium-sulfur battery with high areal sulfur loading on hierarchical porous carbon fiber

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Carbon Energy 2021年第3期3卷 440-448页

作者： Qiubo Guo Shuo Sun Keun-il Kim Hongshen Zhang Xuejun Liu Chenglin Yan Hui Xia School of Materials Science and Engineering Nanjing University of Science and TechnologyNanjingChina Department of Chemistry Oregon State UniversityOregonCorvallisUSA Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu ProvinceSoochow Inst it ute for Energy and Materials InnovationsCollege of EnergySoochow UniversitySuzhouChina

Room temperature sodium-sulfur(RT Na-S)batteries are gaining extensive attention as attractive alternatives for large-scale energy storage,due to low cost and high abundancy of sodium and sulfur in ***,the dilemmas regarding soluble polysulfides(Na_(2)Sn,4ultramicropores,to achieve a reversible single-step reaction in RT Na-S *** mechanism is investigated by the in situ UV/vis spectroscopy,which demonstrates Na2S is the only product during the whole discharge ***,the hierarchical carbon structure can enhance areal sulfur loading without sacrificing the capacity due to thorough contact between electrolyte and sulfur *** a consequence,the APCF electrode with 38 wt%sulfur(APCF-38S)delivers a high initial reversible specific capacity of 1412 mAh g^(-1) and 10.6mAh cm^(-2)(*** sulfur loading:7.5 mg cm^(-2))at 0.1 C(1C=1675 mA g^(-1)),revealing high degree of sulfur *** study provides a new strategy for the development of high areal capacity RT Na-S batteries.

关键词： hierarchical porous carbon fiber high areal capacity room temperature sodium-sulfur batteries ultramicropores

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