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171.

Effect of nickel on hydrogen storage behaviors of carbon aerogel hybrid

Ye-Ji Han, Soo-Jin Park 한국탄소학회 Carbon Letters 5 Pages

한국탄소학회 Carbon Letters 2015, Vol.16 No.4 10 281-285 (5 pages)

Ye-Ji Han, Soo-Jin Park 저
...
- 1,500원
172.

Effects of digestion temperatures and loading amounts on methane production from anaerobic digestion with crop residues

Joung Du Shin, Sang Won Park, Sun-Il Lee, Hyunook Kim, Sang Ryong Lee, Myoung Suk Kim 한국탄소학회 Carbon Letters 5 Pages

한국탄소학회 Carbon Letters 2015, Vol.16 No.4 7 265-269 (5 pages)

Joung Du Shin, Sang Won Park, Sun-Il Lee, Hyunook Kim, Sang Ryong Lee, Myoung Suk Kim 저
...
- 1,500원
173.

Influence of defective sites in Pt/C catalysts on the anode of direct methanol fuel cell and their role in CO poisoning: a first-principles study

Soonchul Kwon, Seung Geol Lee 한국탄소학회 Carbon Letters 5 Pages

한국탄소학회 Carbon Letters 2015, Vol.16 No.3 6 198-202 (5 pages)

Soonchul Kwon, Seung Geol Lee 저
...
- 1,500원
Carbon-supported Pt catalyst systems containing defect adsorption sites on the anode of direct methanol fuel cells were investigated, to elucidate the mechanisms of H2 dissociation and carbon monoxide (CO) poisoning. Density functional theory calculations were carried out to determine the effect of defect sites located neighboring to or distant from the Pt catalyst on H2 and CO adsorption properties, based on electronic properties such as adsorption energy and electronic band gap. Interestingly,...
174.

Effects of cross-linking methods for polyethylene-based carbon fibers: review

Kwan-Woo Kim, Hye-Min Lee, Jeong-Hun An, Byoung-Suhk Kim, Byung-Gak Min, Shin-Jae Kang, Kay-Hyeok An, Byung-Joo Kim 한국탄소학회 Carbon Letters 24 Pages

한국탄소학회 Carbon Letters 2015, Vol.16 No.3 2 147-170 (24 pages)

Kwan-Woo Kim, Hye-Min Lee, Jeong-Hun An, Byoung-Suhk Kim, Byung-Gak Min, Shin-Jae Kang, Kay-Hyeok An, Byung-Joo Kim 저
...
- 5,300원
In recent decades, there has been an increasing interest in the use of carbon fiber reinforced plastic (CFRP) in aerospace, renewable energy and other industries, due to its low weight and relatively good mechanical properties compared with traditional metals. However, due to the high cost of petroleum-based precursors and their associated processing costs, CF remains a specialty product and as such has been limited to use in high-end aerospace, sporting goods, automotive, and specialist...
175.

Bulk graphite: materials and manufacturing process

Sang-Min Lee, Dong-Su Kang and Jea-Seung Roh 한국탄소학회 Carbon Letters 12 Pages

한국탄소학회 Carbon Letters 2015, Vol.16 No.3 1 135-146 (12 pages)

Sang-Min Lee, Dong-Su Kang and Jea-Seung Roh 저
...
- 4,100원
Graphite can be classified into natural graphite from mines and artificial graphite. Due to its outstanding properties such as light weight, thermal resistance, electrical conductivity, thermal conductivity, chemical stability, and high-temperature strength, artificial graphite is used across various industries in powder form and bulk form. Artificial graphite of powder form is usually used as anode materials for secondary cells, while artificial graphite of bulk form is used in steelmaking...
176.

An overview of new oxidation methods for polyacrylonitrile?based carbon fibers

Hye Kyoung Shin, Mira Park, Hak-Yong Kim and Soo-Jin Park 한국탄소학회 Carbon Letters 8 Pages

한국탄소학회 Carbon Letters 2015, Vol.16 No.1 2 11-18 (8 pages)

Hye Kyoung Shin, Mira Park, Hak-Yong Kim and Soo-Jin Park 저
...
- 3,000원
The process of oxidizing polyacrylonitrile (PAN)-based carbon fibers converts them into an infusible and non-flammable state prior to carbonization. This represents one of the most important stages in determining the mechanical properties of the final carbon fibers, but the most commonly used methods, such as thermal treatment (200°C to 300°C), tend to waste a great deal of process time, money, and energy. There is therefore a need to develop more advanced oxidation methods for PAN precursor...
177.

Modification of isotropic coal-tar pitch by acid treatments for carbon fiber melt-spinning

Mi Jung Yoo, Hyo Jun Ko, Yun-Soo Lim and Myung-Soo Kim 한국탄소학회 Carbon Letters 8 Pages

한국탄소학회 Carbon Letters 2014, Vol.15 No.4 3 247-254 (8 pages)

Mi Jung Yoo, Hyo Jun Ko, Yun-Soo Lim and Myung-Soo Kim 저
...
- 3,000원
In this work, thermal treatment accompanied with different acid treatments was applied to a commercial coal tar pitch (CTP) to obtain a spinnable precursor pitch for carbon fiber. In the case of thermal treatment only, a relatively high reaction temperature of between 380°C and 400°C was required to obtain a softening point (SP) range of 220°C-260°C and many meso-phase particles were created during the application of high reaction temperature. When nitric acid or sulfuric acid treatment was...
178.

Method and mechanism of dispersing agent free dispersion of short carbon fibers in silicon carbide powder

Thakur Sudesh Kumar Raunija, Mariamma Mathew, Sharad Chandra Sharma 한국탄소학회 Carbon Letters 7 Pages

한국탄소학회 Carbon Letters 2014, Vol.15 No.3 4 180-186 (7 pages)

Thakur Sudesh Kumar Raunija, Mariamma Mathew, Sharad Chandra Sharma 저
...
- 3,000원
This study highlights a novel method and mechanism for the rapid and effective milling of carbon fibers (CFs) in silicon carbide (SiC) powder, and also the dispersion of CFs in SiC powder. The composite powders were prepared by chopping and exfoliation of CFs, and ball milling of CFs and SiC powder in isopropyl alcohol. A wide range of CFs loading, from 10 to 50 vol%, was studied. The milling of CFs and SiC powder was checked by measuring the average particle size of the composite powders. The...
179.

Pitch based carbon fibers for automotive body and electrodes

Kap Seung Yang, Bo-Hye Kim, Seong-Ho Yoon 한국탄소학회 Carbon Letters 9 Pages

한국탄소학회 Carbon Letters 2014, Vol.15 No.3 2 162-170 (9 pages)

Kap Seung Yang, Bo-Hye Kim, Seong-Ho Yoon 저
...
- 3,000원
Pitch is an attractive raw material for carbon fiber precursors due to its low cost stemming from its availability as a residue of coking and petroleum processes. Ford Motor Company reported a carbon fiber target price of $11.0/kg by using a fast cycle-time manufacturing method with carbon fiber in an inexpensive format, allowing for an average retail price of gasoline of $3.58/gallon. They also recommended the use of carbon fiber with strength of 1700 MPa, modulus of 170 GPa, and 1.5%...
180.

Study on lowering the percolation threshold of carbon nanotube-filled conductive polypropylene composites

Seung Bin Park, Moo Sung Lee, Min Park 한국탄소학회 Carbon Letters 8 Pages

한국탄소학회 Carbon Letters 2014, Vol.15 No.2 8 117-124 (8 pages)

Seung Bin Park, Moo Sung Lee, Min Park 저
...
- 3,000원
Conductive polymer composites (CPCs) consist of a polymeric matrix and a conductive filler, for example, carbon black, carbon fibers, graphite or carbon nanotubes (CNTs). The critical amount of the electrically conductive filler necessary to build up a continuous conductive network, and accordingly, to make the material conductive; is referred to as the percolation threshold. From technical and economical viewpoints, it is desirable to decrease the conductive- filler percolation-threshold as...

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