Results 31 to 40 of about 409,435 (303)

Porous Activated Carbon Prepared from Highland Barley Straw by Phosphoric Acid Activation as a Conductive Agent for Improving Electrochemical Performance of LiFePO4 Cathodes

International Journal of Electrochemical Science, 2021
Herein, porous activated carbon was synthesized from highland barley straw by phosphoric acid activation and used as a conductive agent for LiFePO4 cathodes. The morphology and microstructure are characterized by scanning electron microscopy and nitrogen
Wenliang Sun, Rusi Hao
doaj   +1 more source

Diffusion of volatile organic chemicals in porous media. 2. alcohol/templated porous carbon systems [PDF]

, 2006
The aim of the present report was to measure the diffusion coefficients, modes of transport, and activation energies of some alcohols into templated porous carbons.
Sakintuna, Billur, Yürüm, Yuda, Çuhadar, Onur   +2 more
core   +1 more source

Ordered Carbohydrate-Derived Porous Carbons

Chemistry of Materials, 2011
Micro- and mesoporous carbohydrate-derived functional carbonaceous materials of a near-perfect single crystalline cubic nature were prepared via a low-temperature, sustainable hydrothermal carbonization/soft-templating approach.
Shiori Kubo, Robin J. White, Noriko Yoshizawa, Markus Antonietti, Maria-Magdalena Titirici   +4 more
openaire   +2 more sources

Structural Flyby Characterization of Nanoporosity [PDF]

, 2004
Recently, Ferreira da Silva et al. [3] have performed a gradient pattern analysis of a canonical sample set (CSS) of scanning force microscopy (SFM) images of p-Si.
Andersen, Canham, Ferreira da Silva, Ferreira da Silva, Lockwood, Mammana, Ramos, Rosa, Rosa   +8 more
core   +1 more source

Change of Optical Properties of Carbon-Doped Silicon Nanostructures under the Influence of a Pulsed Electron Beam

Journal of Nanotechnology, 2022
In the work, porous silicon with observed photoluminescence was made from a p-type silicon substrate doped with boron and crystallographic orientation (100) using the method of electrochemical etching in a solution containing H2(SiF6) (silicon ...
M. B. Darmenkulova, M. B. Aitzhanov, Sh. A. Zhumatova, M. K. Ibraimov, Ye. Sagidolda   +4 more
doaj   +1 more source

Synthesis of porous carbon materials and their cycling properties in lithium-ion batteries

上海师范大学学报. 自然科学版, 2023
Based on the development and research status of porous organic polymers and their derived carbon materials in anode materials of lithium-ion batteries, we explored a synthesis method of porous carbon nanospheres with controllable pore size.
TIAN Hanxiao, QI Chaoran, HAN Yingying, YANG Lei, ZHU Xin, XU Jingjing, XIAO Shengxiong   +6 more
doaj   +1 more source

Ultrahigh Surface Area Three-Dimensional Porous Graphitic Carbon from Conjugated Polymeric Molecular Framework [PDF]

, 2015
Porous graphitic carbon is essential for many applications such as energy storage devices, catalysts, and sorbents. However, current graphitic carbons are limited by low conductivity, low surface area, and ineffective pore structure.
Barbieri O., Berger S. D., Bruce P. G., Chandrasekaran R., Chen Z., Chmiola J., Choi N. S., Conesa J. A., Dai X., Ding W., El-Kady M. F., Evers S., Frackowiak E., Frackowiak E., Fu Y., Gamby J., Gogotsi Y., Jagtoyen M., Kajdos A., Kim Y.-T., Korenblit Y., Kötz R., Li D., Li H.-Q., Liang X., Lin J., Liu J., Manocha S. M., Manthiram A., Marsh H., Miller J. R., Nahil M. A., Pan L., Pang Q., Raccichini R., Raymundo-Piñero E., Seh W. Z., Seh Z. W., Solum M. S., Song J., Song J., Stoller M. D., Stoller M. D., Wang J., Wang X., Weinstein L., William S., Wu Z.-S., Xu Y., Yang X., Yao H., Zhang L., Zheng G., Zheng S., Zhu Y.   +54 more
core   +4 more sources

Enhanced functional properties of porous carbon materials as high-performance electrode materials for supercapacitors

Green Energy and Resources, 2023
Porous carbons with unique electronic, chemical, and surface properties have become a research hotspot in energy storage applications. But the electrodes of porous carbons in supercapacitors cannot meet the ever-inrceasing demands for high energy density
Kai Yang, Qingwen Fan, Chaoyun Song, Yuchun Zhang, Yongmei Sun, Wen Jiang, Peng Fu   +6 more
doaj   +1 more source

Inorganic Graphenylene: A Porous Two-Dimensional Material With Tunable Band Gap

, 2014
By means of ab initio calculations we investigate the possibility of existence of a boron nitride (BN) porous two-dimensional nanosheet which is geometrically similar to the carbon allotrope known as biphenylene carbon.
Atreto, Pedro Alves da Silva, Galvão, Douglas, Paupitz, Ricardo, Perim, Eric   +3 more
core   +1 more source

Modeling the effect of soil meso- and macropores topology on the biodegradation of a soluble carbon substrate [PDF]

, 2015
Soil structure and interactions between biotic and abiotic processes are increasingly recognized as important for explaining the large uncertainties in the outputs of macroscopic SOM decomposition models.
Chenu, Claire, Coquet, Yves, Falconer, Ruth E., Garnier, Patricia, Makowski, David, Nunan, Naoise, Pot, Valérie, Raynaud, Xavier, Vieublé-Gonod, Laure, Vogel, Laure E.   +9 more
core   +5 more sources