scholarly journals Effect of Phenolic Resin on Micropores Development in Carbon Foam with High Performance

Materials ◽  
2019 ◽  
Vol 12 (8) ◽  
pp. 1213 ◽  
Author(s):  
Alei Dang ◽  
Zhao Zhao ◽  
Chen Tang ◽  
Chenglin Fang ◽  
Siyuan Kong ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Compressive Strength ◽  
Mass Fraction ◽  
High Performance ◽  
Phenolic Resin ◽  
Strong Dependence ◽  
Coal Tar ◽  
Carbon Foam ◽  
Coal Tar Pitch ◽  
Thermal Conductivity Λ

A novel high-performance carbon foam (CF) was fabricated through the addition of phenolic resin (PR) into a coal tar pitch (CTP) based precursor. The effects of mass fraction of a PR additive on the crystalline structures, morphologies, compressive strength (σ) and thermal conductivity (λ) of resultant CF material were investigated systematically. Characterization showed a strong dependence of CF’s performance from the composition and optical texture of the precursor, which were mainly depending on the polycondensation and polymerization reactions between PR and raw CTP. Comparing with the strength of pristine CF at 6.5 MPa, the σ of mCF-9 (13.1 MPa) was remarkably enhanced by 100.1%. However, the λ of mCF-9 substantially reduced to 0.9 m−1K−1 compared with 18.2 W m−1K−1 of pristine CF. Thus, this modification strategy to produce microporous CF materials from raw CTP provides a new protocol for the fabrication of high-performance carbon based materials.

Free-standing honeycomb-like N doped carbon foam derived from coal tar pitch for high-performance supercapacitor

2020 ◽  
Vol 506 ◽  
pp. 145014 ◽  
Author(s):  
Yanzhong Wang ◽  
Yuexin Liu ◽  
Donghua Wang ◽  
Chao Wang ◽  
Li Guo ◽  
...  
Keyword(s):  
High Performance ◽  
Coal Tar ◽  
Carbon Foam ◽  
Coal Tar Pitch ◽  
Free Standing

Effect of different parameters on porosity and compressive strength of coal tar pitch derived carbon foam

2019 ◽  
Vol 95 ◽  
pp. 83-90 ◽  
Author(s):  
Chandrachur Banerjee ◽  
Vimal Kumar Chandaliya ◽  
Pratik Swarup Dash ◽  
Bhim Charan Meikap
Keyword(s):  
Compressive Strength ◽  
Coal Tar ◽  
Carbon Foam ◽  
Coal Tar Pitch

Coal tar pitch based carbon foam for thermal insulating material

2016 ◽  
Vol 169 ◽  
pp. 95-98 ◽  
Author(s):  
Yanli Wang ◽  
Ziguo He ◽  
Liang Zhan ◽  
Xiang Liu
Keyword(s):  
Coal Tar ◽  
Carbon Foam ◽  
Coal Tar Pitch ◽  
Insulating Material ◽  
Thermal Insulating

scholarly journals Nanoparticles-decorated coal tar pitch-based carbon foam with enhanced electromagnetic radiation absorption capability

RSC Advances ◽  
2015 ◽  
Vol 5 (26) ◽  
pp. 20256-20264 ◽  
Author(s):  
Rajeev Kumar ◽  
Ashish Gupta ◽  
Sanjay R. Dhakate
Keyword(s):  
Electromagnetic Radiation ◽  
Coal Tar ◽  
Carbon Foam ◽  
Frequency Region ◽  
Radiation Absorption ◽  
Coal Tar Pitch ◽  
Band Frequency ◽  
X Band

Carbon foam decorated with magnetic and dielectric nanoparticles exhibited significantly improved EM radiation absorption in the X-band frequency region.

scholarly journals Study on carbonization process of coal tar pitch modified thermoplastic phenolic resin

2019 ◽  
Vol 631 ◽  
pp. 022057
Author(s):  
J M Liu ◽  
L Wu ◽  
J Z Yu ◽  
S S Shu ◽  
J H Xu ◽  
...  
Keyword(s):  
Phenolic Resin ◽  
Coal Tar ◽  
Coal Tar Pitch ◽  
Carbonization Process

Study on Preparation of Activated Carbon Precursor from Medium Temperature Coal Tar Pitch

2013 ◽  
Vol 726-731 ◽  
pp. 712-715 ◽  
Author(s):  
Shu Guang Ouyang ◽  
Rong Guang Xu
Keyword(s):  
Activated Carbon ◽  
High Performance ◽  
Coal Tar ◽  
Absorption Capacity ◽  
Carbonization Temperature ◽  
Coal Tar Pitch ◽  
Carbon Precursor ◽  
Optimal Method ◽  
Medium Temperature ◽  
Adsorption Capacities

In order to explore the optimal method to prepare high performance activated carbon precursors from medium temperature coal tar pitch, orthogonal tests are adopted to study the effects of oxygen-blowing time in the pretreatment process as well as carbonization temperature and carbonization time in activation and carbonization processes on the adsorption capacities of activated carbon. Moreover, the effects of additives (coke powder and anionic surfactant) on the adsorption capacities of activated carbon are examined. The results show that the factors affecting the adsorption capacities of pitch-based activated carbon, in order of importance, are carbonization temperature, oxygen-blowing time, carbonization time and additives. The optimal conditions for preparation of activated carbon precursor from medium temperature pitch are: 4h for oxygen-blowing time, 400°C for carbonization temperature, 60 minutes for carbonization time and no additives. The iodine absorption capacity of the prepared activated carbon precursor which is activated for 100 min at 800°C is 1739mg/g.

Template-free preparation of layer-stacked hierarchical porous carbons from coal tar pitch for high performance all-solid-state supercapacitors

2017 ◽  
Vol 5 (30) ◽  
pp. 15869-15878 ◽  
Author(s):  
Taotao Guan ◽  
Kaixi Li ◽  
Jianghong Zhao ◽  
Rijie Zhao ◽  
Guoli Zhang ◽  
...  
Keyword(s):  
Solid State ◽  
High Performance ◽  
Coal Tar ◽  
Coal Tar Pitch ◽  
Porous Carbons ◽  
Hierarchical Porous ◽  
Hierarchical Porous Carbons ◽  
Template Free

Template-free preparation of layer-stacked hierarchical porous carbons from cheap pitch precursors for high-performance all-solid-state supercapacitors.

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