Results 41 to 50 of about 2,844,127 (304)

Fatsia Japonica-Derived Hierarchical Porous Carbon for Supercapacitors With High Energy Density and Long Cycle Life

open access: yesFrontiers in Chemistry, 2020
Fatsia Japonica seed, which is mainly composed of glucose, has potential as a porous carbon matrix precursor for supercapacitors that can achieve high-value utilization.
Huiling Li   +12 more
doaj   +1 more source

Design and Fabrication of Hierarchically Porous Carbon with a Template-free Method [PDF]

open access: yesScientific Reports, 2014
Fabrication of hierarchically porous carbon materials (HPCs) with high surface area and pore volume has always been pursued. However, the currently effective template methods and acid/base activation strategies suffer from the drawbacks of either high costs or tedious steps.
Yutong Gong   +5 more
openaire   +2 more sources

Elastic and Transport Properties of the Tailorable Multifunctional Hierarchical Honeycombs [PDF]

open access: yes, 2013
In this paper, we analytically studied the in-plane elastic and transport properties of a peculiar hexagonal honeycomb, i.e., the multifunctional hierarchical honeycomb (MHH).
Pugno, Nicola M.   +5 more
core   +1 more source

Porous Carbon for CO2 Capture Technology: Unveiling Fundamentals and Innovations

open access: yesSurfaces, 2023
Porous carbon is an emerging material for the capture of CO2 from point sources of emissions due to its high structural, mechanical, and chemical stability, along with reusability advantages.
Gazi A. K. M. Rafiqul Bari, Jae-Ho Jeong
doaj   +1 more source

Hierarchical mesoporous/microporous carbon with graphitized frameworks for high-performance lithium-ion batteries

open access: yesAPL Materials, 2014
A hierarchical meso-/micro-porous graphitized carbon with uniform mesopores and ordered micropores, graphitized frameworks, and extra-high surface area of ∼2200 m2/g, was successfully synthesized through a simple one-step chemical vapor deposition ...
Yingying Lv   +6 more
doaj   +1 more source

Mechanisms on formation of hierarchically porous carbon and its adsorption behaviors

open access: yesWater Science and Technology, 2016
Using simple one-step carbonization-activation, the residues of paulownia flowers are employed as a precursor to prepare hierarchically porous activated carbon. After investigating the optimum conditions, the obtained paulownia flowers based activated carbon (PFAC) is characterized by Fourier transform infrared spectroscopy, scanning electron ...
Jie, Liu   +4 more
openaire   +2 more sources

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

open access: yesFEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová   +2 more
wiley   +1 more source

Hierarchical fiber bundle strength statistics [PDF]

open access: yes, 2012
Multi-scale modeling is currently one of the most active research topics in a wide range of disciplines. In this thesis we develop innovative hierarchical multi-scale models to analyze the probabilistic strength of fiber bundle structures.
Alsaeed Mahmoud Abdalrahman, Tamer
core   +1 more source

Flexural Behavior of 3D‐Printed Porous Bouligand‐Structured Polymers: Influence of Pitch Angle and Porosity

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines how helicoidal architectures with different porosities respond to bending. Adjusting layer angle and spacing in 3D‐printed polymers reveals clear tradeoffs between stiffness, strength, and energy absorption. Experiments and simulations highlight designs that distribute stress effectively, offering pathways for optimizing lightweight
Praveenkumar Subhash Patil   +2 more
wiley   +1 more source

Hierarchical Fibers with a Negative Poisson’s Ratio for Tougher Composites [PDF]

open access: yes, 2013
In this paper, a new kind of hierarchical tube with a negative Poisson’s ratio (NPR) is proposed. The first level tube is constructed by rolling up an auxetic hexagonal honeycomb.
Yongtao Sun   +7 more
core   +1 more source

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