New Aspects in the Understanding of High Voltage Aluminium Electrolytic Capacitors

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Abstrakt

High voltage (HV) Aluminium electrolytic capacitors with working voltages over 400 V are the backbone of industrial and automotive electronics. Recent developments in the field of fundamental understanding of the electrical breakdown of the anodic oxide of high voltage Aluminium electrolytic capacitors are presented. The absorption of long chain organic molecules increases the breakdown strength of electrolytes in Aluminium electrolytic capacitors, because the relation between the injection current and the breakdown voltage, on the one side, and the electrical parameters of the electrolyte (either resistivity or conductivity), on the other side, originates from the Freundlich adsorption isotherm which relates the surface number density of the reducing agents with their volume number density. Experimental and literature data are discussed
OriginalsprogEngelsk
TitelPCIM Europe digital days 2021; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
ForlagIEEE
Publikationsdato2. jul. 2021
Sider332-336
ISBN (Trykt)978-3-8007-5515-8
StatusUdgivet - 2. jul. 2021
BegivenhedInternational Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, PCIM Europe digital days 2021; - ONLINE
Varighed: 3. maj 20217. maj 2021

Konference

KonferenceInternational Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, PCIM Europe digital days 2021;
ByONLINE
Periode03/05/202107/05/2021

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