Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Varchaswal Kashyap"'
Autor:
Xiong Peng, Varchaswal Kashyap, Benjamin Ng, Sreekumar Kurungot, Lianqin Wang, John R. Varcoe, William E. Mustain
Publikováno v:
Catalysts, Vol 9, Iss 3, p 264 (2019)
Efficient and durable non-precious metal electrocatalysts for the oxygen reduction reaction (ORR) are highly desirable for several electrochemical devices, including anion exchange membrane fuel cells (AEMFCs). Here, cobalt ferrite (CF) nanoparticles
Externí odkaz:
https://doaj.org/article/f66c95c0ae4249ca8e6e384725697020
Autor:
Varchaswal Kashyap, Ajmal Pandikassala, Gourav Singla, Tuhin Suvra Khan, M. Ali Haider, C. P. Vinod, Sreekumar Kurungot
Publikováno v:
Nanoscale. 14:15928-15941
The catalysts derived from Co/Fe nanoparticles display promising activity toward electrochemical reactions. The electrochemical activity of these nanoparticles could be directly correlated to their surface electronic properties.
Autor:
Lorianne R. Shultz, Konstantin Preradovic, Suvash Ghimire, Hayden M. Hadley, Shaohua Xie, Varchaswal Kashyap, Melanie J. Beazley, Kaitlyn E. Crawford, Fudong Liu, Kausik Mukhopadhyay, Titel Jurca
Publikováno v:
Catal Sci Technol
Contiguous metal foams offer a multitude of advantages over conventional powders as supports for nanostructured heterogeneous catalysts; most critically a preformed 3-D porous framework ensuring full directional coverage of supported catalyst, and in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::890d93a7c6b58363483150dbcbfd05cf
https://europepmc.org/articles/PMC9373473/
https://europepmc.org/articles/PMC9373473/
Autor:
Debashree Roy, Kriti Gupta, Anil K. Debnath, Nirmalya Ballav, Varchaswal Kashyap, Plawan Kumar Jha, Vikash Kumar, Sreekumar Kurungot, Shammi Rana
Publikováno v:
Carbon. 154:285-291
We have generated in situ nanocomposite of Mn3O4 and reduced graphene oxide (rGO) upon employing wet-chemical reduction of graphene oxide (GO) by Mn(II) salt as mild-reducing agent for the first time and examined the oxygen reduction reaction (ORR) a
Publikováno v:
ACS Applied Materials & Interfaces. 11:25917-25927
Substituting the energy-uphill water oxidation half-cell with readily oxidizable urea-rich urine, a ground-breaking bridge is constructed, combining the energy-efficient hydrogen generation and environmental protection. Hence, designing a robust mult
Autor:
Sreekumar Kurungot, Varchaswal Kashyap
Publikováno v:
ACS Catalysis. 8:3715-3726
Solvothermal synthesis of zirconium-substituted cobalt ferrite nanoparticles was accomplished by the introduction of zirconium (Zr) in the spinel matrix to obtain a cost-effective and robust electrocatalyst that does not use noble metals. A variation
Publikováno v:
ACS Applied Materials & Interfaces. 10:676-686
Polyaniline (PANI) as a pseudocapacitive material has very high theoretical capacitance of 2000 F g–1. However, its practical capacitance has been limited by low electrochemical surface area (ESA) and unfavorable wettability toward aqueous electrol
Publikováno v:
ChemistrySelect. 2:7845-7853
Development of highly efficient and durable ORR catalysts by using non-platinum group metals (such as Co, Fe, Mn, and Zn) is a challenging task in the forward path towards the realization of low-cost energy devices in the commercial stream. The prese
Autor:
Siddheshwar N. Bhange, Santosh K. Singh, Sabine Szunerits, Narugopal Manna, Rabah Boukherroub, Sreekumar Kurungot, Roby Soni, Varchaswal Kashyap
Publikováno v:
ACS Catalysis. 7:6700-6710
Transition metal oxide derived materials are very important for various applications, such as electronics, magnetism, catalysis, electrochemical energy conversion, and storage. Development of efficient and durable catalysts for the oxygen reduction r
Publikováno v:
ACS applied materialsinterfaces. 11(29)
Substituting the energy-uphill water oxidation half-cell with readily oxidizable urea-rich urine, a ground-breaking bridge is constructed, combining the energy-efficient hydrogen generation and environmental protection. Hence, designing a robust mult