National Repository of Grey Literature 16 records found  previous11 - 16  jump to record: Search took 0.01 seconds. 
Absence konvektivního přenosu hmoty v gelových elektrolytech
Dočkal, M. ; Vondrák, Jiří ; Sedlaříková, M.
Influence of the convective mass transport on the electrochemical behaviour of cadmium and lithium ions was studied in the medium of polymer gel electrolytes.
Iontová vodivost lithných solí v PMMA gelových elektrolytech
Tretera, M. ; Reiter, Jakub ; Vondrák, Jiří ; Sedlaříková, M.
Ionic conductivity of various lithium salt solutions in propylene carbonate and PMMA-PC polymer gel electrolytes was studied and compared. The research included influence of the salt concentration, ion association and temperature on conductivity. The composition of polymer electrolytes was optimized to reach highest conductivity.
Impedance elektrody ze skelného uhlíku v PMMA-PC gelových elektrolytech
Vondrák, Jiří ; Velická, Jana ; Klápště, Břetislav
The electrochemical behaviour of the boundary glassy carbon electrode-polymer gel electrolyte was studied.
Záporné elektrody pro lithiové baterie
Nečesal, P. ; Vondrák, Jiří ; Sedlaříková, M. ; Novotný, M.
Materials based on lithium-cobalt oxide for lithium-ion batteries were electrochemically characterized. Testing mixture graphite-carbon black-lithium-cobalt oxide was optimized.
Výzkum polymerních gelových elektrolytů na bázi akrylátů v České republice
Vondrák, Jiří ; Sedlaříková, M. ; Reiter, Jakub
Summary of the research of polymer gel electrolytes with various application was presented
Nastavení vlhkosti v ESEM
Autrata, Rudolf ; Jirák, Josef ; Špinka, Jiří
Possibilities of humidity adjustment and measurement in the specimen chamber of the environmental scanning electron microscope (ESEM) at low pressure are described in this work. Optimal pumpdown sequence and filling-in of water vapors to the specimen chamber problems are solved simultaneously. Suggested cycle serves for obtaining of suitable environment in the vicinity of the examined specimen and can be exploited for observation of battery mass structures in the process of their utilization.

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