Person:
Kumar, Satish

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Nitrogen- and Boron-Doped Carbon Nanotube Electrodes in a Thermo-Electrochemical Cell

2012 , Salazar, Pablo F. , Kumar, Satish , Cola, Baratunde A.

We explore the prospects of using doped carbon nanotube (CNT) electrodes to increase the output power of thermo-electrochemical cells (TECs). CNT buckypaper electrodes doped with nitrogen and boron were characterized using cyclic voltammetry, impedance spectroscopy, and TEC test with potassium ferri/ferrocyanide electrolyte. Both doping states increased the electrochemically active surface area of CNT electrodes. Electrostatic interactions with potassium ions altered the charge transfer kinetics for doped CNT electrodes; yet, the symmetry of the charge transfer remained approximately equal to that of pristine CNTs. In TEC test, accumulation of potassium ions at doped CNT electrodes was found to reduce short-circuit current.

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Recycling of Carpet Waste by Injection and Compression Molding

1997-05-19 , Zhang, Yi , Muzzy, John D. , Kumar, Satish

Studies have been carried out to convert carpet waste into valued products. Two common processes, injection and compression molding, can be used to recycle carpet waste. Two types of carpet waste have been recycled. One is edge trim carpet waste from manufacturing and the other one is separated polypropylene from post-consumer carpet waste. In injection molding, carpet waste was debulked, ground, dried and molded. In compression molding, the recycled carpet waste was combined with glass mat reinforcement. The compression molding process consists of debulking, stacking with glass mats and consolidation. The mechanical testing results are encouraging. The injection molded samples showed properties acceptable for many applications. The glass mat reinforced carpet waste made by compression molding had properties comparable to commercial virgin thermoplastics reinforced with glass mat.

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Understanding the hierarchical structure in the liquid crystalling polymeric fibers

1992-05 , Kumar, Satish

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Stabilization and carbonization of gel spun polyacrylonitrile/single wall carbon nanotube composite fibers

2007-02-28 , Kumar, Satish , Chae, Han Gi , Minus, Marilyn , Rasheed, Asif

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Polymer Blends and Their Relevance to Fiber, Textile, and Carpet Waste Recycling

1996-06-13 , Kumar, Satish

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Plastics, Rubbers, and Textiles in the Municipal Solid Waste in the United States

2000-05-02 , Kumar, Satish

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Study of the compression behavior of high performance fibers

1995-09 , Kumar, Satish

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