| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Functional Nanomaterials 2020: Translating Innovation into Pioneering Technologies
|
| Presentation Title |
Multi-modal, Multi-length-scale Characterization of Composition Graded Ni-rich Layered Oxide Cathode Materials |
| Author(s) |
Seongmin Bak, Xiao-Qing Yang, Youngho Shin |
| On-Site Speaker (Planned) |
Seongmin Bak |
| Abstract Scope |
To overcome the above drawbacks of Ni-rich layered cathode, the concentration gradient Ni-rich layered oxide (CG-NCM) which is compositionally graded material by placing Ni-rich composition in the particle center, and Mn-rich composition at the particle surface has been proposed. CG-NCM cathode materials stabilize the structure and enable utilize higher Ni-content NCM series to increase capacity without compromising cycle life and safety. Although there are many studies reported about the improvement of the battery performance with this unique concept of the cathode, there is still a lack of information to be needed for further development of CG-NCM. Our recent result of CG-NCM study by using combining X-ray imaging and spectroscopy techniques shows a more comprehensive understanding of how the compositional gradient structure works to stabilize the Ni-rich NCM. More details will be discussed at the conference. |
| Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |