Revisiting Phase Transformation Mechanisms in LiNi 0.5 Mn 1.5 O 4 High Voltage Cathodes with Operando Microdiffraction
Source abstract
Abstract
Understanding the phase transition mechanisms of active materials inside Li-ion batteries is critical for rechargeability and optimizing the power/energy density of devices. In this work, high-energy microfocused X-ray diffraction is used to measure in operando the state-of-charge heterogeneities inside a high-voltage spinel (LiMn1.5Ni0.5O4, LMNO) cathode. The structure of an active material which resists complete delithiation is studied to move toward unlocking the full storage capacity of ion-conductive spinels. High-precision diffraction also reveals nonlinear coupling between strain and lithiation state inside the cathode at high voltages, which suggests the phase diagram of this material is more complex than previously assumed. X-ray diffraction depth-profiling shows that large lithiation heterogeneities through the cross-section of the electrode are formed even at low currents and that decoupling these gradients are necessary to study the phase transitions in detail.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Battery Materials · Ferroelectric and Piezoelectric Materials · Advanced Battery Materials and Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
European Synchrotron Radiation Facility, 71 Avenue des Martyrs, Grenoble 38000, France
Charles University, Faculty of Mathematics and Physics,Department of Surface and Plasma Science,V Holesovickach 2, 180 00 Prague 8, Czech Republic
Univ. Grenoble Alpes, CEA Grenoble, IRIG, MEM, NRS, 17 rue des Martyrs 38000 Grenoble, France
Nanomaterials Centre, School of Chemical Engineering, and Australian Institute of Bioengineering and Nanotechnology, University of Queensland, Brisbane, Queensland 4072 Australia
College of Materials Science and Engineering, Changsha University of Science and Technology, Changsha 410114, China
Funding
H2020 Leadership in Enabling and Industrial Technologies · National Natural Science Foundation of China · H2020 European Research Council
References (61)
Show source-provided references
1. 10.1039/C7CS00863E10.1039/C7CS00863E ↗
2. 10.1149/1.183738610.1149/1.1837386 ↗
3. 10.1002/aenm.20210389410.1002/aenm.202103894 ↗
4. 10.1039/D0TA02812F10.1039/D0TA02812F ↗
5. 10.1002/adma.20110476710.1002/adma.201104767 ↗
6. 10.1016/j.jpowsour.2017.02.07110.1016/j.jpowsour.2017.02.071 ↗
7. 10.1021/cm503972a10.1021/cm503972a ↗
8. 10.1038/s41467-018-05833-x10.1038/s41467-018-05833-x ↗
9. 10.1039/C5CP04899K10.1039/C5CP04899K ↗
10. 10.1038/s41467-022-28963-910.1038/s41467-022-28963-9 ↗
11. 10.1021/acsaem.8b0221710.1021/acsaem.8b02217 ↗
12. 10.1038/srep0802710.1038/srep08027 ↗
13. 10.1021/cm401473810.1021/cm4014738 ↗
14. 10.1021/cm501203r10.1021/cm501203r ↗
15. 10.1021/cm301148d10.1021/cm301148d ↗
16. 10.1021/cm502607v10.1021/cm502607v ↗
17. 10.1039/C6TA00424E10.1039/C6TA00424E ↗
18. 10.1021/acs.chemmater.7b0189810.1021/acs.chemmater.7b01898 ↗
19. 10.1063/1.500825110.1063/1.5008251 ↗
20. 10.1021/nl502332b10.1021/nl502332b ↗
21. 10.1002/aenm.20150063810.1002/aenm.201500638 ↗
22. 10.1021/acs.chemmater.5b0135610.1021/acs.chemmater.5b01356 ↗
23. 10.1039/C4TA01130A10.1039/C4TA01130A ↗
24. 10.1021/acs.jpcc.8b0905410.1021/acs.jpcc.8b09054 ↗
25. 10.1039/c3ta11637a10.1039/c3ta11637a ↗
26. 10.1039/C5CP02075A10.1039/C5CP02075A ↗
27. 10.1038/ncomms1430910.1038/ncomms14309 ↗
28. 10.1126/science.125281710.1126/science.1252817 ↗
29. 10.1149/2.1551712jes10.1149/2.1551712jes ↗
30. 10.1017/S088571561900008310.1017/S0885715619000083 ↗
31. 10.3389/fenrg.2018.0008910.3389/fenrg.2018.00089 ↗
32. 10.1021/acs.jpcc.5b0327310.1021/acs.jpcc.5b03273 ↗
33. 10.1107/S205252061501719910.1107/S2052520615017199 ↗
34. 10.1039/c3cp54386b10.1039/c3cp54386b ↗
35. 10.1016/j.jpowsour.2020.22831810.1016/j.jpowsour.2020.228318 ↗
36. 10.3390/nano1106136810.3390/nano11061368 ↗
37. 10.1039/C8EE02373E10.1039/C8EE02373E ↗
38. 10.1039/D0EE01191F10.1039/D0EE01191F ↗
39. 10.1021/acs.analchem.0c0208610.1021/acs.analchem.0c02086 ↗
40. 10.1149/1945-7111/abcd4d10.1149/1945-7111/abcd4d ↗
41. 10.1021/acsnano.9b0505510.1021/acsnano.9b05055 ↗
42. 10.1038/ncomms325510.1038/ncomms3255 ↗
43. 10.1039/C9TA06977A10.1039/C9TA06977A ↗
44. 10.1080/08940886.2016.124446210.1080/08940886.2016.1244462 ↗
45. 10.1039/D1TA00989C10.1039/D1TA00989C ↗
46. 10.1021/acs.chemmater.6b0094810.1021/acs.chemmater.6b00948 ↗
47. 10.1038/s41467-019-13884-x10.1038/s41467-019-13884-x ↗
48. 10.1021/acsenergylett.1c0275910.1021/acsenergylett.1c02759 ↗
49. 10.1021/acs.jpclett.1c0144510.1021/acs.jpclett.1c01445 ↗
50. 10.1016/j.electacta.2016.06.12410.1016/j.electacta.2016.06.124 ↗
51. 10.1039/c2ee03068c10.1039/c2ee03068c ↗
52. 10.1021/nn204177u10.1021/nn204177u ↗
53. 10.1016/j.actamat.2016.06.04010.1016/j.actamat.2016.06.040 ↗
54. 10.1016/j.jpowsour.2014.10.01310.1016/j.jpowsour.2014.10.013 ↗
55. 10.1002/adfm.20130120510.1002/adfm.201301205 ↗
56. 10.1021/acsami.9b0217310.1021/acsami.9b02173 ↗
57. 10.1038/s41467-019-13240-z10.1038/s41467-019-13240-z ↗
58. 10.1007/s11581-006-0021-710.1007/s11581-006-0021-7 ↗
59. 10.1021/acsaem.0c0107510.1021/acsaem.0c01075 ↗
60. 10.3390/ma1111215710.3390/ma11112157 ↗
61. 10.1021/acs.jpclett.5b0089110.1021/acs.jpclett.5b00891 ↗