Röntgentomografische Untersuchung eines kommerziellen Lithium-Ionen-Kondensators*
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Frank Wieder
Kurzfassung
Gegenstand dieser Studie ist ein kommerzieller Lithium-Ionen-Kondensator (LIC), welcher einer intensiven Alterung in Form von sukzessive durchgeführten Lade- und Entladeprozessen unterzogen wurde. Die dabei auftretenden dreidimensionalen Veränderungen der inneren Struktur wurden mittels Röntgen-Tomografie analysiert. Mit ansteigender Zyklenzahl finden wir eine Ansammlung von Elektrolytflüssigkeit im Bodenbereich des Kondensators vor. Unter Berücksichtigung der beim Zyklieren aufgezeichneten elektrischen Daten ergibt sich ein klarer Zusammenhang zwischen der Elektrolytverteilung im Bodenbereich und der Leistung des LIC.
Abstract
The correlation between the electrolyte distribution and the capacity of a commercial lithium-ion capacitor (LIC) during charge and discharge is investigated by non-destructive X-ray tomography. The 3D data reveal the accumulation of electrolyte at the bottom of the capacitor. While the accumulation of electrolyte at the bottom grows with increasing number of cycles, a marked decrease in capacity is observed. We attribute this effect to the loss of electrolyte within the active area of the LIC.
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© 2014, Carl Hanser Verlag, München
Artikel in diesem Heft
- Inhalt/Contents
- Inhalt
- Fachbeiträge/Technical Contributions
- Burst Strength of Composite Cylinders – Assessment of the Type of Statistical Distribution
- Effects of Zn/Cu Ratio and Silicon on Microstructure, Mechanical Properties, Tarnish and Corrosion Resistance of As-Cast 940 Silver Alloys
- Analysis of the Frequency as an Integral Method for the Testing of Anisotropic 3D Sheet Metal Structure
- Mechanical and Thermal Properties of a Cu-CNT Composite with Carbon Nanotubes Synthesized by CVD Process
- The Mechanical and Electrical Properties of the Ternary Bi-Ga-Sb System
- Experimental Investigation of the Corrosion Mechanism of Cemented Soils in Magnesium Sulfate Solution
- Experimental and Analytical Study of Masonry Constructions Reinforced with Bed Joints
- The Fracture Toughness of Fe2B Formed on Boronized AISI 304
- Effects of Ferroboron and Ferrochromium Powder Addition on Abrasive Wear Resistance of Fe-Based Hardfacing Coatings
- Fabrication of Al/Mg Bimetal Compound Casting by Lost Foam Technique and Liquid-Solid Process
- Effects of Si and Zn on Machinability and Wear Resistance of AZ91 and AS91 Magnesium Alloys
- DIRECTT-Rekonstruktionen im Vergleich zur gefilterten Rückprojektion
- Reduzierung von Missing-Wedge-Artefakten der CT mit DIRECTT
- Röntgentomografische Untersuchung eines kommerziellen Lithium-Ionen-Kondensators*
- Machining Parameter Optimization of Bidirectional CFRP Composite Pipe by Genetic Algorithm
- Investigation of Lost Foam Casted Aluminum Bimetal Microstructures
- Taguchi-Based Grey Relation Optimization of Machining Parameters and Cutting Path Strategies in CNC Pocket Milling Operations
- Reliable Evaluation of Acceptability of Weld for Final Disposal Based on the Canister Copper Weld Inspection Using Different NDT Methods
- Evaluation of the Reliability of NDTesting in Russian Railway Transport
- Vorschau/Preview
- Vorschau
Artikel in diesem Heft
- Inhalt/Contents
- Inhalt
- Fachbeiträge/Technical Contributions
- Burst Strength of Composite Cylinders – Assessment of the Type of Statistical Distribution
- Effects of Zn/Cu Ratio and Silicon on Microstructure, Mechanical Properties, Tarnish and Corrosion Resistance of As-Cast 940 Silver Alloys
- Analysis of the Frequency as an Integral Method for the Testing of Anisotropic 3D Sheet Metal Structure
- Mechanical and Thermal Properties of a Cu-CNT Composite with Carbon Nanotubes Synthesized by CVD Process
- The Mechanical and Electrical Properties of the Ternary Bi-Ga-Sb System
- Experimental Investigation of the Corrosion Mechanism of Cemented Soils in Magnesium Sulfate Solution
- Experimental and Analytical Study of Masonry Constructions Reinforced with Bed Joints
- The Fracture Toughness of Fe2B Formed on Boronized AISI 304
- Effects of Ferroboron and Ferrochromium Powder Addition on Abrasive Wear Resistance of Fe-Based Hardfacing Coatings
- Fabrication of Al/Mg Bimetal Compound Casting by Lost Foam Technique and Liquid-Solid Process
- Effects of Si and Zn on Machinability and Wear Resistance of AZ91 and AS91 Magnesium Alloys
- DIRECTT-Rekonstruktionen im Vergleich zur gefilterten Rückprojektion
- Reduzierung von Missing-Wedge-Artefakten der CT mit DIRECTT
- Röntgentomografische Untersuchung eines kommerziellen Lithium-Ionen-Kondensators*
- Machining Parameter Optimization of Bidirectional CFRP Composite Pipe by Genetic Algorithm
- Investigation of Lost Foam Casted Aluminum Bimetal Microstructures
- Taguchi-Based Grey Relation Optimization of Machining Parameters and Cutting Path Strategies in CNC Pocket Milling Operations
- Reliable Evaluation of Acceptability of Weld for Final Disposal Based on the Canister Copper Weld Inspection Using Different NDT Methods
- Evaluation of the Reliability of NDTesting in Russian Railway Transport
- Vorschau/Preview
- Vorschau