Battery value chain/Process/Cell manufacturing/Electrolyte Filling - Revision history

Simon Stier: Text replacement - "Has predecessor" to "HasPredecessor"

2022-09-04T03:17:56Z

Text replacement - "Has predecessor" to "HasPredecessor"

Simon Stier: Text replacement - "Has successor" to "HasSuccessor"

2022-09-04T02:19:09Z

Text replacement - "Has successor" to "HasSuccessor"

Simon Stier at 15:18, 19 November 2021

2021-11-19T15:18:40Z

Christina Leinauer at 13:32, 16 November 2021

2021-11-16T13:32:47Z

Simon Stier: add category

2021-07-06T07:39:15Z

add category

Christina Leinauer at 11:35, 15 June 2021

2021-06-15T11:35:41Z

Christina Leinauer at 11:34, 15 June 2021

2021-06-15T11:34:57Z

Christina Leinauer at 10:14, 15 June 2021

2021-06-15T10:14:29Z

Christina Leinauer: Created page with "{{Semantic Element |label=Cell manufacturing/Electrolyte Filling |description===Production process== After the packaging process the electrolyte is filled in. During ele..."

2021-06-15T09:59:24Z

Created page with "{{Semantic Element |label=Cell manufacturing/Electrolyte Filling |description===Production process== *After the packaging process the electrolyte is filled in. *During ele..."

New page

{{Semantic Element
|label=Cell manufacturing/Electrolyte Filling
|description===Production process==

*After the packaging process the electrolyte is filled in.
*During electrolyte filling, a distinction must be made between the sub-processes "filling" and "wetting".
*The electrolyte is filled into the cell under vacuum (filling) with the help of a high-precision dosing needle.
*By applying a pressure profile to the cell (supply of inert gas and/or generation of a vacuum in alternating operation), the capillary effect in the cell is activated (wetting).
*Evacuation and partial filling are repeated several times depending on the manufacturer and cell type.
*Finally, the pouch foil is sealed under vacuum.
*The electrolyte (e.g. LiPF6) is usually a purchased component and sets high requirements on the process environment (fire protection, extraction, etc.), due to its classification as a hazardous substance.

==Process parameters & requirements==

*Geometry of the dosing needle
*Working pressure: approx. 0.01 mbar
*Consistent, continuous or cyclic filling to ensure homogeneous electrolyte distribution
*Very dry environment necessary
*Gravimetric control of the electrolyte quantity

==Technology alternatives==
No alternatives in series production.

==Quality influences==

*Dosing method (e.g. dosing pump)
*Geometry and closing mechanism of the dosing needle
*Electrolyte transport system (piping, etc.)

==Quality features==

*Dosing and distribution accuracy of the electrolyte in the cell
*No electrolyte residues in the sealing seam
*Tightness of the sealed cell

==Source==
Heimes, H.H.; Kampker, A.; Lienemann, C.; Locke, M.; Offermanns, C.; Michaelis, S.; Rahimzei, E. (2018) ''Lithium-Ion Battery Cell Production Process''; PEM of RWTH Aachen and VDMA, 3rd Edition, ISBN:978-3-947920-03-7
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+{{GlossaryEntry}}{{Semantic Element
 |label=Cell manufacturing/Electrolyte Filling
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 *Electrolyte filling follows the packaging process
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 Heimes, H.H.; Kampker, A.; Lienemann, C.; Locke, M.; Offermanns, C.; Michaelis, S.; Rahimzei, E. (2018) ''Lithium-Ion Battery Cell Production Process''; PEM of RWTH Aachen and VDMA, 3rd Edition, ISBN:978-3-947920-03-7
 |relations={{Semantic Link
-|property=Has predecessor
+|property=HasPredecessor
 |value=Battery value chain/Process/Cell manufacturing/Packaging
 }}{{Semantic Link

@@ Line 1: / Line 1: @@
 {{Semantic Element
 |label=Cell manufacturing/Electrolyte Filling
-|description===Production process==
+|description====Production process===
-*After the packaging process the electrolyte is filled in.
+*Electrolyte filling follows the packaging process
-*During electrolyte filling, a distinction must be made between the sub-processes "filling" and "wetting".
+*The electrolyte filling process consists of the two sub-processes "filling" and "wetting"
-*The electrolyte is filled into the cell under vacuum (filling) with the help of a high-precision dosing needle.
+*Filling: Electrolyte is filled into the cell under vacuum
-*By applying a pressure profile to the cell (supply of inert gas and/or generation of a vacuum in alternating operation), the capillary effect in the cell is activated (wetting).
+*Wetting: By supplying gas and/or generating a vacuum, the capillary effect in the cell is activated
-*Evacuation and partial filling are repeated several times depending on the manufacturer and cell type.
+*Evacuation and partial filling repeated several times
-*Finally, the pouch foil is sealed under vacuum.
+*Pouch foil is sealed under vacuum
-*The electrolyte (e.g. LiPF6) is usually a purchased component and sets high requirements on the process environment (fire protection, extraction, etc.), due to its classification as a hazardous substance.
+*Electrolyte is usually a purchased substance; sets high requirements on process environment (fire protection, extraction, etc.)
-==Process parameters & requirements==
+===Process parameters & requirements===
 *Geometry of the dosing needle
 *Working pressure: approx. 0.01 mbar
-*Consistent, continuous or cyclic filling to ensure homogeneous electrolyte distribution
+*Homogeneous electrolyte distribution
-*Very dry environment necessary
+*Necessity of very dry environment
-*Gravimetric control of the electrolyte quantity
+*Control of electrolyte quantity
-==Technology alternatives==
+===Quality influences===
-==Quality influences==
+*Dosing method
-*Dosing method (e.g. dosing pump)
+===Quality features===
-==Quality features==
+*Dosing and distribution accuracy of electrolyte in the cell
+*Electrolyte residues in the sealing seam
 *Tightness of the sealed cell
-==Source==
+===Source===
 Heimes, H.H.; Kampker, A.; Lienemann, C.; Locke, M.; Offermanns, C.; Michaelis, S.; Rahimzei, E. (2018) ''Lithium-Ion Battery Cell Production Process''; PEM of RWTH Aachen and VDMA, 3rd Edition, ISBN:978-3-947920-03-7
 |relations={{Semantic Link