针状焦

用交流阻抗法对PAN基碳纤维、石油焦、沥青焦、针状焦进行了嵌锂过程的研究。

Electrochemical intercalation of lithium into PAN based carbon fibers , petroleum coke , pitch coke and needle coke were studied by AC impedance method .

煤系针状焦与石油系针状焦相比，具有较低的热膨胀系数（CTE）和较高的真密度，而CTE是针状焦最重要的性质。

Coal-based needle coke , compared to petroleum-based needle coke , has a lower coefficient of thermal expansion ( CTE ) and higher real density . However , the CTE is the most important property of needle coke .

减压渣油搀兑FCC油浆制备针状焦

Preparation of needle coke from FCC slurry blended vacuum residue

HTT（max）对针状焦微观结构的影响

The Influences of HTT_ ( max ) on Structure of NC

煤沥青中含有大量的喹啉不溶物（QI）需要彻底脱除，低QI含量的净化煤沥青是制备浸渍剂沥青、中间相沥青、煤系针状焦的优质原料。

Quinoline-insolubles in coal tar pitch should be removed completely . Purified pitch of low QI content is the raw materials of impregnation agent pitch , mesophase pitch and needle coke .

预计2003年国内UHP产量将达到5万～6万t，HP产量也将有一定涨幅，耗用针状焦的总量将为8万～10万t。

In 2003 , China 's output of UHP is expected to reach 50,000 - 60,000 tons , the HP production will also be increased to a certain extent , and the total consumption of needle coke will be 80,000 - 100,000 tons .

添加了PTSA和HMTA制备的针状焦，其循环伏安曲线表明静电吸附是其电极储能的主要方式。

It is illustrated from the cyclic voltammograms of needle coke prepared through adding PTSA and HMTA that electrostatic adsorption is the main form of electrode storage .

交流阻抗谱分析表明，针状焦表面形成的SEI膜薄而致密，锂离子在针状焦负极的扩散内阻小，具有良好的电化学传递性。

EIS analyzing showed that SEI film formed on the surface of needle coke was thin and dense , and the internal diffusion resistance of lithium ion in negative electrode is small , so needle coke has a good electrochemical transitivity .

利用THS－80型粉末比电阻测定仪，测定煤系针状焦的比电阻，探讨试样粒度和装样高度对测试值的影响，并利用正交试验的方法确定较优的测试条件。

The specific resistance of coal-derived needle coke is determinated on the model THS-80 particle specific resistance gauge . The effects of sample size range and loading height on specific resistance determination is investigated and the optimal testing conditions is also obtained by use of orthogonal experiment .

本课题是以废聚苯乙烯（WPS）为添加剂，分别与煤焦油沥青和乙烯焦油共炭化制备改性中间相沥青，进而制备针状焦，以达到资源的充分利用。

The purpose of this research was to manufacture the modified mesophase pitch , as well as needle coke , by co-carbonization of toluene soluble of coal tar pitch ( TS ) and waste polystyrene ( WPS ), ethylene tar pitch ( ETP ) and WPS , respectively .

煤系针状焦生产过程中菲的动态及影响

Phenanthrene Dynamics and Influence in Production Process of Coal-based Needle Coke

目前全球只有日本能生产优质煤系针状焦。

Currently , coal-based needle coke can be produced only in Japan .

蒸汽裂解渣油生产针状焦的可行性研究

The feasibility study of producing needle coke from steam cracking tar oil

煤焦油和石油渣油共炭化制备针状焦

Preparation of needle coke from CO-CARBONIZATION OF coal tar and petroleum residue

针状焦技术的研究现状

Current Status of The Research Work on Needle Coke Technology

形成针状焦的中间相热转化过程中影响因素研究

The Effect Factors of Mesophase Thermal Conversion Process Used for Needle Coke Formation

国内外针状焦及石墨电极市场供需分析

Needle cokes and the market demand of graphite electrode

不同催化油浆对中间相形成和针状焦质量的影响

Effect of Different Catalytic Slurry on Mesophase Formation and Quality of Needle Coke

煅烧过程对针状焦的脆性和粒度分布的影响

The effect of calcination procedure on the friability and particle-size distribution of needle coke

为利用煤沥青制取针状焦原料提供了有参考价值的基础数据。

The basic data of making needle coke crude from coal pitch is provided .

国外针状焦的质量现状分析

Quality analysis of needle cokes from foreign countries

针状焦的结构和原料

The structure and feedstocks of needle coke

1950年美国大湖炭素公司首先发明了石油系针状焦。

Petroleum-based needle coke was first invented by American Great Lake Carbon Corporation in 1950 .

针状焦技术的研究进展

Progress in study of needle coke Technology

主要探讨了针状焦的生产原理、生产技术及相应的原料选择。

The formation mechanism , production technology and feedstock selection of needle coke were discussed .

针状焦的微结构特征&关于针焦品质评价的新观点

The microstructural characteristics of needle coke s & new concept on Evaluation of needle coke properties

以大庆热裂化渣油为原料进行了中间相转化和针状焦工艺的研究。

The mesophase transformation and process for producing needle coke from Daqing thermal tar were investigated .

特级锦州石油系针状焦试制Φ300mmUHP石墨电极

Trial production of UHP grade φ 300 mm graphite electrodes from Jinzhou superfine petroleum based needle coke

经磁场处理后制备的针状焦，其循环伏安曲线峰电流有下降趋势。

Peak current in cyclic voltammograms of needle coke prepared in magnetic field showed a declining trend .

针状焦的特性

Characteristics of needle coke