Transitioning Advanced Ceramic Electrolytes Into Manufacturable Solid-State EV Batteries J

Transitioning Advanced Ceramic Electrolytes Into Manufacturable Solid-State EV Batteries J

Transitioning advanced ceramic electrolytes into manufacturable solid-state EV batteries J. Sakamoto (PI), University of Michigan Co-PI(s), Prof. N. Dasgupta (UM), Prof. D. J. Siegel (UM) Prof. K. Thornton (UM), and Dr. N. J. Dudney (ORNL) Project Vision Develop manufacturing solutions to enable large-scale production of Li metal-ceramic membrane batteries. Total project cost: $3.5M Length 34 mo. 2X energy density vs Li-ion (1,200 Wh/L) & non-flammable Li-ion Conducting Ceramic 20 µm cycled • Developed ceramic membrane4 tech to physically stabilize Li metal anodes • Supplanting graphite with Li metal doubles energy density • Replacing combustible liquid with solid electrolyte improves safety • Developed a manufacturing vision that leverages the Li-ion industry • Demonstrated thin Li anode integration The Team PI: Prof. Jeff Sakamoto: Mechanical Engineering & Materials Science amorphous crystalline Precision ALD Interfaces Co-PI: Prof. Neil Dasgupta: Mechanical Engineering Co-PI: Prof. Don Siegel: Mechanical Engineering Interface Computation Co-PI: Prof. Katsuyo Thornton: Materials Science Interface Mechanics Finite Element Analysis Interface Co-PI: Dr. Nancy Dudney: Materials Science & Tech Engineering: Physical Vapor Deposition 2 Project Objectives: Develop a Scalable Manufacturing Approach Materials Thin film processing Interfaces Cell Architecture Goal 20 Post Plating EIS 18 16 Li-ion Conducting Ceramic ) 14 2 m c * 12 m h 10 O ( ) Z 20 µm cycled ( 8 R R m R LLZO CT I UC - 6 4 4" • > 1000 Wh/L 2 Cell Developed ceramic Cathode 0 • 90 mAh 0 5 10 15 20 architecture formulations that LLZO Re(Z)*Area (Ohm*cm2) • 5 cm bend M addresses are stable against Engineered surfaces • 400 cycles brittle nature 2 Li.1-7 2 • > 3mAh/cm enable < 15 W.cm ASR of ceramic 50 µm • 1 C rate produced with a scale- 8 Processing of high membranes. able process.6 density ceramic battery components. Engineer to minimize peripheral mass/volume.1,3,4 July 26, 2019 3 Maintaining Mechanical Integrity Challenging When Li & Ceramic ≈ 10 – 20 µm Reinforce Ceramic with Li Distortion Fracture Robust Cathode Load Bearing Cathode ~1mm Electrolyte Cathode Cathode Pellet Rigid Assembly Rigid Li-ion Conducting Ceramic Li 10 µm 10 µm • Strong & stiff as Al alloy Li metal9 • E-chem performance maintained.10 July 26, 2019 4 Thin Film Ceramic Tile Array & Li Anode Integration Cerami Li c 50 µm 5 cm bend radius.8 Maintain < 15 W.cm2 ASR after rolling. July 26, 2019 5 Challenges and Potential Technical Partnerships ‣ Relevant Ceramic Processing Expertise in US is not Common – Fortunate to have Identified A Potential Ceramic Partner ‣ Currently Pursuing Li-ion Battery Manufacturers Interested in SSB Pilot- Line Manufacturing ‣ Interest in Engaging End Users Requiring High Energy Density & High Stability Batteries T2M Ceramic membrane & Integrate new composite cathode processes into pilot line Micro • Material suppliers Li-ion manufacturer electronics • Ceramic processing Mobility Start-up option to license in place Next steps: 18 Patents • Launch UM spin-off (Zakuro LLC) with Arpa-E Plus-Up 2 issued • Translate to full-scale manufacturing with partner Exit Strategy • Acquisition by partner • Maintain research arm to advance SSB technology July 26, 2019 7 Referenced Patents (of 18) and *Peer-Reviewed Manuscripts (of 44) 1. US 9093717 B2 (Issued): Methods of making and using oxide ceramic solids and products and devices related thereto. 2. US 20160293988 A1 (Issued): Template-based methods of making and using ceramic solids and products and devices related thereto. 3. US Application: 62/268,545, filed 12/17/2015 OTT 6746, Slurry Formulation for the Formation of Layers for Solid State Batteries. 4. US Application: 62/360,770, filed 7/11/2016 OTT 7102: Ceramic Based Ionically Conducting Material. 5. *Thompson, T., Yu, S., Williams, L., Schmidt, R.D., Garcia-Mendez, R., Wolfenstine, J., Allen, J.L., Kioupakis, E., Siegel, D.J. and Sakamoto, J., 2017. Electrochemical window of the Li-ion solid electrolyte Li7La3Zr2O12. ACS Energy Letters, 2(2), pp.462-468. 6. *Sharafi, A., Kazyak, E., Davis, A.L., Yu, S., Thompson, T., Siegel, D.J., Dasgupta, N.P. and Sakamoto, J., 2017. Surface chemistry mechanism of ultra- low interfacial resistance in the solid-state electrolyte Li7La3Zr2O12. Chemistry of Materials, 29(18), pp.7961-7968. 7. *Ma, C., Cheng, Y., Yin, K., Luo, J., Sharafi, A., Sakamoto, J., Li, J., More, K.L., Dudney, N.J. and Chi, M., 2016. Interfacial stability of Li metal–solid electrolyte elucidated via in situ electron microscopy. Nano letters, 16(11), pp.7030-7036. 8. US Application: 62/289,559, filed 2/1/2017 OTT 6744, Segmented Cell Architecture for Solid State Batteries. 9. *Masias, A., Felten, N., Garcia-Mendez, R., Wolfenstine, J. and Sakamoto, J., 2019. Elastic, plastic, and creep mechanical properties of lithium metal. Journal of Materials Science, 54(3), pp.2585-2600. 10. US Provisional Patent Application filed May 24, 2019. July 26, 2019 8.

View Full Text

Details

  • File Type
    pdf
  • Upload Time
    -
  • Content Languages
    English
  • Upload User
    Anonymous/Not logged-in
  • File Pages
    9 Page
  • File Size
    -

Download

Channel Download Status
Express Download Enable

Copyright

We respect the copyrights and intellectual property rights of all users. All uploaded documents are either original works of the uploader or authorized works of the rightful owners.

  • Not to be reproduced or distributed without explicit permission.
  • Not used for commercial purposes outside of approved use cases.
  • Not used to infringe on the rights of the original creators.
  • If you believe any content infringes your copyright, please contact us immediately.

Support

For help with questions, suggestions, or problems, please contact us