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Double layer on carbon in aprotic electrolytes
Vondrák, Jiří; Sedlaříková, M.; Velická, Jana; Kocian, Martin; Špachman, V.; Klápště, Břetislav
2006 - English
As carbonaceous materials we started with glassy carbon electrodes and continued to use variety pf carbon black powders, carbon nanotubes and chemically modified graphite in powderized form. Popisuje se vliv druhu rozpouštědla a koncentrace elektrolytu na kapacitu elektrody ze sklovitého uhlíku.
Keywords:
electrolytes; carbon
Available at various institutes of the ASCR
Double layer on carbon in aprotic electrolytes
As carbonaceous materials we started with glassy carbon electrodes and continued to use variety pf carbon black powders, carbon nanotubes and chemically modified graphite in powderized ...
Hybrid inorganic-organic proton conducting membranes for fuel cells and gas sensors
Míka, M.; Paidar, M.; Klápště, Břetislav; Mašínová, M.; Bouzek, K.; Vondrák, Jiří
2006 - English
Hybrid inorganic-organic proton conducting membranes for fuel cells and gas sensors. Membrány založené na kondenzaci metaloorganických látek a fosfátů, vhodné pro teploty do 200 grad C.
Keywords:
membranes
Available at various institutes of the ASCR
Hybrid inorganic-organic proton conducting membranes for fuel cells and gas sensors
Hybrid inorganic-organic proton conducting membranes for fuel cells and gas sensors.
Membrány založené na kondenzaci metaloorganických látek a fosfátů, vhodné pro teploty do 200 grad C.
Nanodispersive mixed oxides for destruction of warfare agents prepared by homogenous hydrolysis with urea
Daněk, Ondřej; Štengl, Václav; Bakardjieva, Snejana; Murafa, Nataliya; Kalendová, A.; Oplustil, F.
2006 - English
Nanodispersive mixed oxides for destruction of warfare agents prepared by homogenous hydrolysis with urea, Nanodispersní směsné oxidy pro destrukci bojových otravných látek připravené homogenní hydrolýzou močovinou.
Keywords:
homogenous hydrolysis
Available at various institutes of the ASCR
Nanodispersive mixed oxides for destruction of warfare agents prepared by homogenous hydrolysis with urea
Nanodispersive mixed oxides for destruction of warfare agents prepared by homogenous hydrolysis with urea,...
Cathode materials for Li-ON batteries
Makovička, J.; Vondrák, Jiří; Sedlaříková, M.; Jirák, T.
2006 - English
Research on LiCoO2 has been more active becaus this material is the most promising in spite of its high cost and toxicity. Studium zvyšování životnosti katodových materiálů odvozených od LiCoO2 a dopovaných alkalickými kovy.
Keywords:
batteries; cathode materials
Available at various institutes of the ASCR
Cathode materials for Li-ON batteries
Research on LiCoO2 has been more active becaus this material is the most promising in spite of its high cost and toxicity....
Carbon nanotubes in supercapacitors
Kocian, Martin; Vondrák, Jiří; Sedlaříková, M.
2006 - English
The electrodes suitable for supercapacitors were prepared from carbon nanotubes (Aldrich) and PTFE binder. Specific capacites of the order 10 F/g were achieved. Elektrody vhodné pro superkondenzátory byly připraveny z uhlíkových nanotrubic (Aldrich) a pojidla PTFE. Byly získány kapacity až řádově 10 F/g.
Keywords:
supercapacitors
Available at various institutes of the ASCR
Carbon nanotubes in supercapacitors
The electrodes suitable for supercapacitors were prepared from carbon nanotubes (Aldrich) and PTFE binder. Specific capacites of the order 10 F/g were achieved....
Preparation and photocatalytic activity of La doped TiO2 nanoparticles
Daněk, Ondřej; Štengl, Václav; Bakardjieva, Snejana; Murafa, Nataliya; Kalendová, A.
2006 - English
As-prepared TiO2 sample with 1 percent concentration of La is demonstrated the better photocatalytic activity than the Degussa P25. Příprava a fotokatalytická aktivita La dopovaná TiO2 nanočásticemi.
Keywords:
photocatalytic activity; nanoparticles
Available at various institutes of the ASCR
Preparation and photocatalytic activity of La doped TiO2 nanoparticles
As-prepared TiO2 sample with 1 percent concentration of La is demonstrated the better photocatalytic activity than the Degussa P25....
Ion exchange membranes
Barath, P.; Novák, V.; Sedlaříková, M.; Vondrák, Jiří; Kazelle, J.; Kliment, J.
2006 - English
The behaviour of a bipolar ionex membrane FUMATECh was studied in the potential range where the presence of an internal potential bariere inhibits any flow of current. Bylo studováno chování bipolární ionexové membrány FUMATECH v oblasti potenciálů, kdy existence vnitřní potenciálové bariéry brání průchodu proudu.
Keywords:
membranes
Available at various institutes of the ASCR
Ion exchange membranes
The behaviour of a bipolar ionex membrane FUMATECh was studied in the potential range where the presence of an internal potential bariere inhibits any flow of current....
Kinetics of oxygen reduction in sodium (hydroxide + borohydride ) electrolyte
Chatenet, M.; Micoud, F.; Roche, I.; Chainet, E.; Vondrák, Jiří
2006 - English
The Principle of double layer on carbon electrode has been used for the design of new components, called electrochemical supercapatitors. Popisuje se použití nových materiálů vyvinutých na UACH AV ČR pro zmíněné reakce.
Keywords:
electrolyte
Available at various institutes of the ASCR
Kinetics of oxygen reduction in sodium (hydroxide + borohydride ) electrolyte
The Principle of double layer on carbon electrode has been used for the design of new components, called electrochemical supercapatitors....
Applications of electron paramagnetic(spin) resonance (EPR/ESR) spectroscopy in ecology
Stopka, Pavel; Křížová, Jana
2006 - English
We studied short lived reactive oxygen species by EPR spectroscopy. We have found the toxic properties some chemicals by free radical generation. Studovali jsme krátkodobě žijící reaktivní kyslíkové částice metodou EPR spektroskopie. Prokázali jsme toxicitu některých chemikálií v důsledku tvorby volných radikálů.
Keywords:
free radicals
Available at various institutes of the ASCR
Applications of electron paramagnetic(spin) resonance (EPR/ESR) spectroscopy in ecology
We studied short lived reactive oxygen species by EPR spectroscopy. We have found the toxic properties some chemicals by free radical generation....
Preparation of nanoscopic mixed-metal oxides by sonolysis of M(acac)3complexes
Pinkas, J.; Zbořil, R.; Reichlová, V.; Ostrižek, P.; Bezdička, Petr
2006 - English
The presence of water in the reaction mixture was found to lower the organics content and increase the BET surface area. Fyzikální a chemické vlastnosti pokročilých materiálů a struktur Komplexní sloučeniny a oxidy přechodných kovů s využitím v bioaplikacích a nanotechnologiích.
Keywords:
mixed-metal oxides
Available at various institutes of the ASCR
Preparation of nanoscopic mixed-metal oxides by sonolysis of M(acac)3complexes
The presence of water in the reaction mixture was found to lower the organics content and increase the BET surface area....
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