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Performance of pseudo-capacitive porous electrodes for super-capacitors

Mondragón Rodríguez, Guillermo César (2013) Performance of pseudo-capacitive porous electrodes for super-capacitors. [Other]

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The specific energy of commercial available Batteries ranges between 10 (for lead acid batteries) and 100Wh/Kg (Li-ion batteries) and few hours of charging time. Modern Li-ion batteries can be changed faster but still not fast enough for many applications such as braking energy recovery and charging processes in satellites. Supercapacitors are electrochemical capacitors that can be charged only within few seconds at cost of the energy density compared to batteries. There is an urgent need to develop new materials in order to improve the energy density of supercapacitors. Pseudo-capacitors are one kind of supercapacitors which contain metal oxides and their redox reactions which considerably improve the electrical energy stored in this materials. In this work, MnOx and MnCoOx oxides were prepared by electrochemical deposition as well as sputtering technique to develop new electrodes for energy storage. The effect of the process parameters to the coating composition, microstructure and performance of the electrodes in different electrolytes are analyzed.

Item URL in elib:https://elib.dlr.de/85261/
Document Type:Other
Additional Information:Vortrag in Forschungszentrum Cinvestav in Queretaro Mexiko gehalten.
Title:Performance of pseudo-capacitive porous electrodes for super-capacitors
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Mondragón Rodríguez, Guillermo CésarDLRUNSPECIFIED
Date:7 November 2013
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Mixed Oxides, Electrodes, supercapacitors
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Turbine Technologies (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > High Temperature and Functional Coatings
Deposited By: Mondragon Rodriguez, Guillermo Cesar
Deposited On:19 Nov 2013 13:22
Last Modified:19 Nov 2013 13:22

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