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Autor:
Fuxu Han, Feng Liu, Mingli Xu, Xinzhong Wang, Weiping Liu, Zhiwei Xiang, Wei Li, Xikun Yang, Tan Feng, Changwei Shao
Publikováno v:
Electrochemistry Communications, Vol 127, Iss, Pp 107039-(2021)
Minimizing the use of platinum (Pt) in catalysts for the oxygen reduction reaction (ORR) is critical for the commercial application of fuel cells. Here, we report a highly active carbon-supported catalyst with a low loading of Pt nanoparticles (Pt/C-
Publikováno v:
Electrochemistry Communications, Vol 127, Iss, Pp 107051-(2021)
The design and synthesis of highly efficient and durable non-noble metal electrocatalysts have become a top priority for the hydrogen evolution reaction (HER). Thus, this study describes a straightforward synthesis of nickel-doped cobalt phosphide na
Autor:
Iris Palm, Arvo Kikas, Aile Tamm, Vambola Kisand, Jaan Leis, Jekaterina Kozlova, Uno Mäeorg, Elo Kibena-Põldsepp, Kaido Tammeveski, Maike Käärik
Publikováno v:
Electrochemistry Communications, Vol 125, Iss, Pp 106976-(2021)
In this study, two compounds (melamine phosphate and hexachlorocyclotriphosphazene) were used as nitrogen and phosphorus precursors to dope silicon carbide-derived carbon (SiCDC) with nitrogen and phosphorus moieties. The successful heteroatom doping
Publikováno v:
Electrochemistry Communications, Vol 124, Iss, Pp 106947-(2021)
To better understand the electrochemical behavior of deoxyribonucleic acid (DNA) on carbon electrodes, the oxidation of synthetic oligonucleotides of 4 to 72 nucleotides long, their thermally stable duplexes, polymerase chain reaction amplicons of 14
Autor:
Youri Gendel, Gidon Amikam
Publikováno v:
Electrochemistry Communications, Vol 124, Iss, Pp 106945-(2021)
The polarization mechanism of capacitive-faradaic fuel cells is reported. The mixed potentials of faradaic (Pt and Ti/Pt-IrO2) and capacitive (activated carbon powder and fleece) electrodes were measured in aerated and hydrogenated NaCl solutions at
Publikováno v:
Electrochemistry Communications, Vol 103, Iss, Pp 22-26 (2019)
Boron (B) and phosphorus (P) dual-doped carbon microspheres (BPC) were successfully synthesized from onium salts by a facile one-step pyrolysis method. When employed as the anode material for sodium (Na)-ion batteries (NIBs), the resulting BPC delive
Publikováno v:
Electrochemistry Communications, Vol 102, Iss, Pp 72-77 (2019)
Cu is the only electrocatalyst that converts CO2 into appreciable quantities of hydrocarbons. However, it usually suffers from poor catalytic stability. In this work we propose a strategy of introducing crystal defects to change the reaction pathway
Publikováno v:
Electrochemistry Communications, Vol 101, Iss, Pp 82-87 (2019)
In this study, different carbon nanomaterials (carbon nanotubes, solid carbon spheres and graphene nanosheets) for immobilizing bacterial small laccase (SLAC) to enable direct bioelectrocatalysis of oxygen reduction were comparatively investigated. H
Autor:
Lifang Deng, Huibing Chen, Mingyang He, Jian Chen, Fuan Sun, Yukun Fan, Haoran Yuan, Denian Li
Publikováno v:
Electrochemistry Communications, Vol 100, Iss, Pp 52-59 (2019)
Although oxygen reduction reaction (ORR) plays a key role in the cathodic part of many emerging energy conversion devices, it has naturally suffered from sluggish kinetics and high overpotential. We here report the facile synthesis of Fe-N co-doped c
Publikováno v:
Electrochemistry Communications, Vol 99, Iss, Pp 41-45 (2019)
The electrooxidation of cytosine on common commercially available screen-printed carbon electrodes was investigated. To characterize the processes on the electrode surface, the oxidation products were analyzed by online electrochemistry-capillary ele