Wasserstoff und Alkalimetalle: Elemente der ersten Hauptgruppe

Sicius, Hermann

doi:10.1007/978-3-662-55944-4_1-1

Cited by 1 publication

(1 citation statement)

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“…This leads to a micro‐short circuit which in total with other short circuits of this kind leads to the premature death of the cell. Metal spatters are also particularly critical because the melting point of aluminum and copper is far above that of pure lithium (lithium 180 °C, aluminum 660 °C, and copper 1085 °C) …”

Section: Resultsmentioning

confidence: 99%

Evaluation of the Separation Process for the Production of Electrode Sheets

et al. 2019

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The recent development of individual mobility is characterized by a resource‐saving and environmentally friendly technology policy. Electromobility has the greatest potential to meet these demands. Due to the high volumetric power density at both the cell as well as the battery levels, pouch cells are addressed as a target cell format. As a separation of the electrodes is absolutely necessary for this cell design, the separation of the electrodes constitutes a basic operation of the pouch cell production. The established separation methods, such as die and laser cutting, are compared in this work with regard to their physical cutting‐edge quality. For reproducible evaluation, the occurring cutting‐edge characteristics are defined to clearly describe the quality of the separated electrode. Furthermore, the influence of the photonically and mechanically produced cutting edge on the electrochemical performance is presented. The results show that the delamination of the active materials and the bending of the collector and the metal spatter have the greatest influence on the electrochemical performance of the cell.

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Section: Resultsmentioning

confidence: 99%