Nickel-cobalt hydroxide nanosheets: Synthesis, morphology and electrochemical properties

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F17%3A00473696" target="_blank" >RIV/61388955:_____/17:00473696 - isvavai.cz</a>
Alternative codes found
RIV/61388980:_____/17:00473696 RIV/61389013:_____/17:00473696 RIV/00216208:11310/17:10360087
Result on the web
<a href="http://dx.doi.org/10.1016/j.jcis.2017.03.096" target="_blank" >http://dx.doi.org/10.1016/j.jcis.2017.03.096</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jcis.2017.03.096" target="_blank" >10.1016/j.jcis.2017.03.096</a>

Result language
angličtina
Original language name
Nickel-cobalt hydroxide nanosheets: Synthesis, morphology and electrochemical properties
Original language description
This paper reports the synthesis, characterization, and electrochemical performance of nickel-cobalt hydroxide nanosheets. The hydroxide nanosheets of approximately 0.7 nm thickness were prepared by delamination of layered nickel-cobalt hydroxide lactate in water and formed transparent colloids that were stable for months. The nanosheets were deposited on highly oriented pyrolytic graphite by spin coating, and their electrochemical behavior was investigated by cyclic voltammetry in potassium hydroxide electrolyte. Our method of electrode preparation allows for studying the electrochemistry of nanosheets where the majority of the active centers can participate in the charge transfer reaction. The observed electrochemical response was ascribed to mutual compensation of the cobalt and nickel response via electron sharing between these metals in the hydroxide nanosheets, a process that differentiates the behavior of nickel-cobalt hydroxide nanosheets from single nickel hydroxide or cobalt hydroxide nanosheets or their physical mixture. The presence of cobalt in the nickel-cobalt hydroxide nanosheets apparently decreases the time of electrochemical activation of the nanosheet layer, which for the nickel hydroxide nanosheets alone requires more potential sweeps.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10403 - Physical chemistry

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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