Results 11 to 20 of about 189,015 (256)

Photoresponsive porous materials

open access: yesNanoscale Advances, 2021
Integration of molecular photoswitches in porous materials i.e. MOFs, COFs, PAFs provides responsive materials with a variety of functions ranging from switchable gas adsorption to macroscopic actuation.
Wojciech Danowski   +3 more
openaire   +3 more sources

Cooperative Sorption on Porous Materials [PDF]

open access: yesLangmuir, 2021
The functional shape of a sorption isotherm is determined by underlying molecular interactions. However, doubts have been raised on whether the sorption mechanism can be understood in principle from analyzing sorption curves via a range of competing models.
Seishi Shimizu, Nobuyuki Matubayasi
openaire   +4 more sources

Porous materials

open access: yesJournal of the Japan Society for Technology of Plasticity, 2016
In the past few decades, the increasingly routine use of advanced structural probes for studying the structure and dynamics of the solid state has led to some dramatic developments in the field of porous solids. These materials are fundamental in a diverse range of applications, such as shape-selective catalysts for energy-efficient organic ...
COOPER ANDY, LIU MING
  +10 more sources

Enhanced Electromagnetic Wave Absorption Properties of Ultrathin MnO2 Nanosheet-Decorated Spherical Flower-Shaped Carbonyl Iron Powder

open access: yesMolecules, 2021
In this work, spherical flower-shaped composite carbonyl iron powder@MnO2 (CIP@MnO2) with CIP as the core and ultrathin MnO2 nanosheets as the shell was successfully prepared by a simple redox reaction to improve oxidation resistance and electromagnetic ...
Zhengwei Qu   +12 more
doaj   +1 more source

Numerical study of the effect of porous media on heat transfer in a horizontal annular tube

open access: yesAl-Qadisiyah Journal for Engineering Science, 2023
In the current study, energy analyses were performed to enhance the characteristics and forced convection performance in the horizontal annular in the case of the presence of porous material and without porous material.
Muna Sabah Kassim   +2 more
doaj   +1 more source

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

open access: yes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   +6 more
doaj   +1 more source

Efficacy of hierarchical pore structure in enhancing the tribological and recyclable smart lubrication performance of porous polyimide

open access: yesFriction, 2022
Herein, a porous oil-containing material with hierarchical pore structure was successfully prepared through microtexturing large pores on the surface of porous polyimide (PPI) with single-level small pores.
Hongwei Ruan   +5 more
doaj   +1 more source

Enhanced evaporation of porous materials with micropores and high porosity

open access: yesJournal of Thermal Science and Technology, 2020
Owing to their large surface area and capillary effect, porous materials are highly desired for heat-transfer applications. In this study, we investigated the evaporation behavior of a water droplet on porous epoxy resin with a three-dimensional network ...
Noriyuki UNNO   +5 more
doaj   +1 more source

Heat Conduction in Porous Media Characterized by Fractal Geometry

open access: yesEnergies, 2017
Fractal geometry (fractional Brownian motion—FBM) is introduced to characterize the pore distribution of porous material. Based on this fractal characterization, a mathematical model of heat conduction is presented to study heat conduction behaviors in ...
Zilong Deng   +4 more
doaj   +1 more source

Air-Permeable Building Envelopes for Building Ventilation and Heat Recovery: Research Progress and Future Perspectives

open access: yesBuildings, 2023
Air-permeable building envelopes (APBEs) utilize the infiltrated or exfiltrated airflow within porous materials to directly change their temperature distribution to reduce heat loss/gain. APBEs effectively integrate building ventilation and heat recovery
Chong Zhang   +5 more
doaj   +1 more source

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