Produktion von Lithium-Ionen-Batterien Vom Aktivmaterial zum Batteriesystem und zurück

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Erich Förstner
vor 6 Jahren
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1 Produktion von Lithium-Ionen-Batterien Vom Aktivmaterial zum Batteriesystem und zurück J. Diekmann Elektromobilität und Arbeitsschutz, Braunschweig

2 Battery LabFactory Braunschweig (BLB) Structure of interdisciplinary center Data and facts Battery research since institutes of TU BS and PTB 900 m² pilot plant (+ 500 m 2 labs) 160 m² primary dry room Approx. 50 researchers and technicians Executive Board Prof. Arno Kwade Prof. Klaus Dröder Prof. Ulrike Krewer InES Prof. Uwe Schröder Prof. Christoph Herrmann Prof. Klaus Dilger Prof. Michael Kurrat Dr. Steffen Seitz Prof. Thomas Vietor 15 th March 2017 J. Diekmann and M. Wagner Slide 2

3 Main research areas 15 th March 2017 J. Diekmann and M. Wagner Slide 3

4 Cell conditioning Cell producktion Electrode production Process Chain Material Material Conditioning Coating and Drying Calandering Cutting Packaging Contacting Cell Assembly Electrolyte Filling Formation and Aging Electrochemical QS Battery Cells 15 th March 2017 J. Diekmann and M. Wagner Slide 4

5 Material/particle conditioning and slurry processing Educts: Active material Binder Conductive additive Solvent Products: Slurry 15 th March 2017 J. Diekmann and M. Wagner Slide 5

6 Electrode coating and drying Educts: Slurry Aluminum or copper foil Products: Electrode coils 15 th March 2017 J. Diekmann and M. Wagner Slide 6

7 Calandering Educts: Electrode coils with low density Products: Electrode coils with higher density 15 th March 2017 J. Diekmann and M. Wagner Slide 7

8 Electrode cutting Educts: Electrode coils Products: Electrode sheets 15 th March 2017 J. Diekmann and M. Wagner Slide 8

9 Assembly and Electrolyte Filling Educts: Elektrode sheets, separator coils, pouch foil Electrolyte Products: Battery cells 15 th March 2017 J. Diekmann and M. Wagner Slide 9

10 Formation and Aging Educts: Battery cells Products: Formatted battery cells 15 th March 2017 J. Diekmann and M. Wagner Slide 10

11 Cell conditioning Cell producktion Electrode production Process Chain Material Material Conditioning Coating and Drying Calandering Cutting Packaging Contacting Cell Assembly Electrolyte Filling Formation and Aging Electrochemical QS Battery Cells 15 th March 2017 J. Diekmann and M. Wagner Slide 11

Recycling 3.8% Electronics 2.7% Volatile Components 8.3% 18,0% 5.8% Electrolyte, Separator, Others Cell Housing Battery System Graphite 8.2% Anode Cathode Module Cables 2.3% Alumimium 5.3% Copper 9.

12 Recycling 3.8% Electronics 2.7% Volatile Components 8.3% 18,0% 5.8% Electrolyte, Separator, Others Cell Housing Battery System Graphite 8.2% Anode Cathode Module Cables 2.3% Alumimium 5.3% Copper 9.2% Oxygen 4.8% Mn 2.8% Co Ni Li 1.0% 5.5% 1.5% 3.3% 15 th March 2017 J. Diekmann and M. Wagner Slide 12 Source: Diekmann, J., Hanisch, C., Froböse, L., Schälicke, G., Loellhoeffel, T., Fölster, A.-S., & Kwade, A.;Journal of The Electrochemical Society, 164(1), A6184-A6191. doi: / jes

13 Process Chain Sieving Drying Crushing Disassembly Separation Discharge Discharge Disassembly Crushing Drying Separation Sieving 15 th March 2017 J. Diekmann and M. Wagner Slide 13

14 Disassembly Disassembly to modules Volatile Components 8.3% 3.8% Electronics 2.7% 18,0% Protection of disassembler 5.8% Electrolyte, Separator, Others Cell Housing Battery System Manual or partly automatic Graphite 8.2% Anode Cathode Module Cables 2.3% Alumimium 5.3% Recovery of system periphery Copper 9.2% Oxygen 4.8% Mn 2.8% Co Ni Li 1.0% 5.5% 1.5% 3.3% 15 th March 2017 J. Diekmann and M. Wagner Slide 14 Source: Diekmann, J., Hanisch, C., Froböse, L., Schälicke, G., Loellhoeffel, T., Fölster, A.-S., & Kwade, A.;Journal of The Electrochemical Society, 164(1), A6184-A6191. doi: / jes

Electrolyte Extraction Removal of carbonates Thermal/ Vacuum Solid-Liquid-Extraction Volatile Components 8.3% 5.8% 3.8% Electrolyte, Separator, Others Cell Housing Electronics 2.

15 Electrolyte Extraction Removal of carbonates Thermal/ Vacuum Solid-Liquid-Extraction Volatile Components 8.3% 5.8% 3.8% Electrolyte, Separator, Others Cell Housing Electronics 2.7% Battery System 18,0% Decomposition of the conducting salt Graphite 8.2% Anode Cathode Module Cables 2.3% Alumimium 5.3% No inert atmosphere for following process steps necessary Copper 9.2% Oxygen 4.8% Mn 2.8% Co Ni Li 1.0% 5.5% 1.5% 3.3% 15 th March 2017 J. Diekmann and M. Wagner Slide 15 Source: Diekmann, J., Hanisch, C., Froböse, L., Schälicke, G., Loellhoeffel, T., Fölster, A.-S., & Kwade, A.;Journal of The Electrochemical Society, 164(1), A6184-A6191. doi: / jes

Separation 1 st Air-Classification 2 nd Air-Classification 3.8% Electronics 2.7% 3.8% Electronics 2.7% Volatile Components 8.3% 18,0% Volatile Components 8.3% 18,0% 5.

16 Separation 1 st Air-Classification 2 nd Air-Classification 3.8% Electronics 2.7% 3.8% Electronics 2.7% Volatile Components 8.3% 18,0% Volatile Components 8.3% 18,0% 5.8% Electrolyte, Separator, Others Cell Housing Battery System 5.8% Electrolyte, Separator, Others Cell Housing Battery System Graphite 8.2% Copper 9.2% Anode Cathode Oxygen 4.8% Mn 2.8% Co Module Ni Li 1.0% 5.5% 1.5% 3.3% Cables 2.3% Alumimium 5.3% Graphite 8.2% Copper 9.2% Anode Oxygen 4.8% Mn 2.8% Cathode Co Module 1.5% 3.3% Ni Li 5.5% 1.0% Cables 2.3% Alumimium 5.3% 15 th March 2017 J. Diekmann and M. Wagner Slide 16 Source: Diekmann, J., Hanisch, C., Froböse, L., Schälicke, G., Loellhoeffel, T., Fölster, A.-S., & Kwade, A.;Journal of The Electrochemical Society, 164(1), A6184-A6191. doi: / jes

17 Products Discharge Disassembly Crushing Drying Separation Sieving : 88.1 % Electronics: 3.9 % Al: 1.5 % : 0.6 % Cables: 5.9 % Al: 74.3 % : 13.8 % : 4.0 % Copper: 5.0 % Inclusions:2.9 % Al-Foil: 16.6 % Cu-Foil: 29.8 % Separator: 2.9 % : 5.9 % Black Mass: 12.3 % Separator: 97.8 % Al-Foil: 1.6 % : 0.6 % Black Mass: 97,6 % Cu: 1.8 % Al: 0.6 % Fe: 0.1 % 15 th March 2017 J. Diekmann and M. Wagner Slide 17 Source: Diekmann, J., Hanisch, C., Froböse, L., Schälicke, G., Loellhoeffel, T., Fölster, A.-S., & Kwade, A.;Journal of The Electrochemical Society, 164(1), A6184-A6191. doi: / jes

18 Acknowledgements

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