REFERENCES

1. Noh, H.; Youn, S.; Yoon, C. S.; Sun, Y. Comparison of the structural and electrochemical properties of layered Li[Ni_xCo_yMn_z]O₂ (x = 1/3, 0.5, 0.6, 0.7, 0.8 and 0.85) cathode material for lithium-ion batteries. J. Power. Sources. 2013, 233, 121-30.

2. Yao, X.; Huang, B.; Yin, J.; et al. All-solid-state lithium batteries with inorganic solid electrolytes: Review of fundamental science. Chinese. Phys. B. 2016, 25, 018802.

3. Sakuda, A. Favorable composite electrodes for all-solid-state batteries. J. Ceram. Soc. Jpn. 2018, 126, 675-83.

4. Finsterbusch, M.; Danner, T.; Tsai, C. L.; Uhlenbruck, S.; Latz, A.; Guillon, O. High capacity garnet-based all-solid-state lithium batteries: fabrication and 3D-microstructure resolved modeling. ACS. Appl. Mater. Interfaces. 2018, 10, 22329-39.

5. Janek, J.; Zeier, W. G. A solid future for battery development. Nat. Energy. 2016, 1, 16141.

6. Janek, J.; Zeier, W. G. Challenges in speeding up solid-state battery development. Nat. Energy. 2023, 8, 230-40.

7. Schmaltz, T.; Hartmann, F.; Wicke, T.; Weymann, L.; Neef, C.; Janek, J. A roadmap for solid-state batteries. Adv. Energy. Mater. 2023, 13, 2301886.

8. Thangadurai, V.; Narayanan, S.; Pinzaru, D. Garnet-type solid-state fast Li ion conductors for Li batteries: critical review. Chem. Soc. Rev. 2014, 43, 4714-27.

9. Sand, S. C.; Rupp, J. L. M.; Yildiz, B. A critical review on Li-ion transport, chemistry and structure of ceramic-polymer composite electrolytes for solid state batteries. Chem. Soc. Rev. 2025, 54, 178-200.

10. Xue, Z.; He, D.; Xie, X. Poly(ethylene oxide)-based electrolytes for lithium-ion batteries. J. Mater. Chem. A. 2015, 3, 19218-53.

11. Li, S.; Zhang, S. Q.; Shen, L.; et al. Progress and perspective of ceramic/polymer composite solid electrolytes for lithium batteries. Adv. Sci. 2020, 7, 1903088.

12. Chen, L.; Li, Y.; Li, S.; Fan, L.; Nan, C.; Goodenough, J. B. PEO/garnet composite electrolytes for solid-state lithium batteries: From “ceramic-in-polymer” to “polymer-in-ceramic”. Nano. Energy. 2018, 46, 176-84.

13. Roitzheim, C.; Sohn, Y. J.; Kuo, L.; et al. All-solid-state Li batteries with NCM-garnet-based composite cathodes: the impact of NCM composition on material compatibility. ACS. Appl. Energy. Mater. 2022, 5, 6913-26.

14. Murugan, R.; Thangadurai, V.; Weppner, W. Fast lithium ion conduction in garnet-type Li₇La₃Zr₂O₁₂. Angew. Chem. Int. Ed. 2007, 46, 7778-81.

15. Buschmann, H.; Dölle, J.; Berendts, S.; et al. Structure and dynamics of the fast lithium ion conductor “Li₇La₃Zr₂O₁₂”. Phys. Chem. Chem. Phys. 2011, 13, 19378-92.

16. Buannic, L.; Orayech, B.; López, Del. Amo. J.; et al. Dual substitution strategy to enhance Li⁺ ionic conductivity in Li₇La₃Zr₂O₁₂ solid electrolyte. Chem. Mater. 2017, 29, 1769-78.

17. Ren, Y.; Danner, T.; Moy, A.; et al. Oxide‐based solid‐state batteries: a perspective on composite cathode architecture. Adv. Energy. Mater. 2022, 13, 2201939.

18. Xiao, Y.; Wang, Y.; Bo, S.; Kim, J. C.; Miara, L. J.; Ceder, G. Understanding interface stability in solid-state batteries. Nat. Rev. Mater. 2019, 5, 105-26.

19. Ren, Y.; Liu, T.; Shen, Y.; Lin, Y.; Nan, C. Chemical compatibility between garnet-like solid state electrolyte Li_6.75La₃Zr_1.75Ta_0.25O₁₂ and major commercial lithium battery cathode materials. J. Materiomics. 2016, 2, 256-64.

20. Demuth, T.; Fuchs, T.; Walther, F.; et al. Influence of the sintering temperature on LLZO-NCM cathode composites for solid-state batteries studied by transmission electron microscopy. Matter 2023, 6, 2324-39.

21. Bauer, A.; Roitzheim, C.; Lobe, S.; et al. Impact of Ni-Mn-Co-Al-based cathode material composition on the sintering with garnet solid electrolytes for all-solid-state batteries. Chem. Mater. 2023, 35, 8958-68.

22. Wakasugi, J.; Munakata, H.; Kanamura, K. Thermal stability of various cathode materials against Li_6.25Al_0.25La₃Zr₂O₁₂ electrolyte. Electrochemistry 2017, 85, 77-81.

23. Miara, L. J.; Richards, W. D.; Wang, Y. E.; Ceder, G. First-principles studies on cation dopants and electrolyte|cathode interphases for lithium garnets. Chem. Mater. 2015, 27, 4040-7.

24. Han, S.; Kil, D.; Lee, S.; et al. A full oxide-based solid-state lithium battery and its unexpected cathode degradation mechanism. ACS. Energy. Lett. 2023, 8, 4794-805.

25. Han, F.; Yue, J.; Chen, C.; et al. Interphase engineering enabled all-ceramic lithium battery. Joule 2018, 2, 497-508.

26. Ohta, S.; Komagata, S.; Seki, J.; Saeki, T.; Morishita, S.; Asaoka, T. All-solid-state lithium ion battery using garnet-type oxide and Li₃BO₃ solid electrolytes fabricated by screen-printing. J. Power. Sources. 2013, 238, 53-6.

27. Liu, T.; Ren, Y.; Shen, Y.; Zhao, S.; Lin, Y.; Nan, C. Achieving high capacity in bulk-type solid-state lithium ion battery based on Li_6.75La₃Zr_1.75Ta_0.25O₁₂ electrolyte: interfacial resistance. J. Power. Sources. 2016, 324, 349-57.

28. Ihrig, M.; Finsterbusch, M.; Laptev, A. M.; et al. Study of LiCoO₂/Li₇La₃Zr₂O₁₂:Ta interface degradation in all-solid-state lithium batteries. ACS. Appl. Mater. Interfaces. 2022, 14, 11288-99.

29. Zhao, H.; Mo, H.; Mao, P.; Ran, R.; Zhou, W.; Liao, K. Tape-casting fabrication techniques for garnet-based membranes in solid-state lithium-metal batteries: a comprehensive review. ACS. Appl. Mater. Interfaces. 2024, 16, 68772-93.

30. Weinmann, S.; Gobena, H.; Quincke, L.; et al. Stabilizing interfaces of all‐ceramic composite cathodes for Li‐garnet batteries. Adv. Energy. Mater. 2025, 15, 2502280.

31. Li, J.; Lin, C.; Weng, M.; et al. Structural origin of the high-voltage instability of lithium cobalt oxide. Nat. Nanotechnol. 2021, 16, 599-605.

32. Oh, P.; Yun, J.; Choi, J. H.; et al. New ion substitution method to enhance electrochemical reversibility of Co‐rich layered materials for Li-ion batteries. Adv. Energy. Mater. 2022, 13, 2202237.

33. Yin, X.; Li, D.; Hao, L.; et al. A high-energy all-solid-state lithium metal battery with "single-crystal" lithium-rich layered oxides. Chem. Commun. 2023, 59, 639-42.

34. Wang, D.; Sun, Q.; Luo, J.; et al. Mitigating the interfacial degradation in cathodes for high-performance oxide-based solid-state lithium batteries. ACS. Appl. Mater. Interfaces. 2019, 11, 4954-61.

35. Hayashi, N.; Watanabe, K. Reaction suppression between a high-Ni cathode material (NMC622) and Li₇La₃Zr₂O₁₂ on co-sintering for manufacturing bulk-type all-solid-state batteries: a new method and its mechanism. Adv. Sci. 2025, 12, e12219.

36. Ma, Z.; Labriola, G.; Salazar, K. A.; Mi, C. C.; Kong, L. Thermal stability and electrochemical behavior of commercial polycrystalline and single-crystalline cathodes integrated with cubic Li_6.4La₃Zr_1.4Ta_0.6O₁₂ for all-solid-state lithium batteries. J. Mater. Chem. A. 2025, 13, 26647-59.

37. Kim, Y.; Waluyo, I.; Hunt, A.; Yildiz, B. Avoiding CO₂ Improves thermal stability at the interface of Li₇La₃Zr₂O₁₂ electrolyte with layered oxide cathodes. Adv. Energy. Mater. 2022, 12, 2102741.

38. Schwab, C.; Häuschen, G.; Mann, M.; et al. Towards economic processing of high performance garnets - case study on zero Li excess Ga-substituted LLZO. J. Mater. Chem. A. 2023, 11, 5670-80.

39. Qin, S.; Zhu, X.; Jiang, Y.; Ling, M.; Hu, Z.; Zhu, J. Growth of self-textured Ga³⁺-substituted Li₇La₃Zr₂O₁₂ ceramics by solid state reaction and their significant enhancement in ionic conductivity. Appl. Phys. Lett. 2018, 112, 113901.

40. Degen, T.; Sadki, M.; Bron, E.; König, U.; Nénert, G. The HighScore suite. Powder. Diffr. 2014, 29 Suppl, S13-8.

41. Bruker AXS. Topas V4: General profile and structure analysis software for powder diffraction data. Karlsruhe, Germany; 2008.

42. Larraz, G.; Orera, A.; Sanjuán, M. L. Cubic phases of garnet-type Li₇La₃Zr₂O₁₂: the role of hydration. J. Mater. Chem. A. 2013, 1, 11419.

43. Matsui, M.; Sakamoto, K.; Takahashi, K.; et al. Phase transformation of the garnet structured lithium ion conductor: Li₇La₃Zr₂O₁₂. Solid. State. Ion. 2014, 262, 155-9.

44. Choi, Y. Effects of cation mixing on the electrochemical lithium intercalation reaction into porous Li_1-δNi_1-yCo_yO₂ electrodes. Solid. State. Ion. 1996, 89, 43-52.

45. Hua, W.; Schwarz, B.; Knapp, M.; et al. (De)Lithiation mechanism of hierarchically layered LiNi_1/3Co_1/3Mn_1/3O₂ cathodes during high-voltage cycling. J. Electrochem. Soc. 2018, 166, A5025-32.

46. Sun, G.; Yin, X.; Yang, W.; et al. The effect of cation mixing controlled by thermal treatment duration on the electrochemical stability of lithium transition-metal oxides. Phys. Chem. Chem. Phys. 2017, 19, 29886-94.

47. Scheld, W. S.; Collette, Y.; Schwab, C.; et al. Ga-ion migration during co-sintering of heterogeneous Ta- and Ga-substituted LLZO solid-state electrolytes. J. Eur. Ceram. Soc. 2025, 45, 116936.

48. Gross, T.; Hess, C. Raman diagnostics of LiCoO₂ electrodes for lithium-ion batteries. J. Power. Sources. 2014, 256, 220-5.

49. Yuan, K.; Jin, X.; Xu, C.; et al. Fabrication of dense and porous Li₂ZrO₃ nanofibers with electrospinning method. Appl. Phys. A. 2018, 124, 403.

50. Tietz, F.; Wegener, T.; Gerhards, M.; Giarola, M.; Mariotto, G. Synthesis and Raman micro-spectroscopy investigation of Li₇La₃Zr₂O₁₂. Solid. State. Ion. 2013, 230, 77-82.

51. Flores, E.; Novák, P.; Aschauer, U.; Berg, E. J. Cation ordering and redox chemistry of layered Ni-rich Li_xNi_1-2yCo_yMnyO₂: an operando Raman spectroscopy study. Chem. Mater. 2019, 32, 186-94.

52. Gnezdilov, V.; Fomin, V.; Yeremenko, A. V.; et al. Low-temperature mixed spin state of Co³⁺ in LaCoO₃ evidenced from Jahn-Teller lattice distortions. Low. Temp. Phys. 2006, 32, 162-8.

53. Abrashev, M. V.; Litvinchuk, A. P.; Iliev, M. N.; et al. Comparative study of optical phonons in the rhombohedrally distorted perovskitesLaAlO₃ and LaMnO₃. Phys. Rev. B. 1999, 59, 4146-53.

54. Chaban, N.; Weber, M.; Pignard, S.; Kreisel, J. Phonon Raman scattering of perovskite LaNiO₃ thin films. Appl. Phys. Lett. 2010, 97, 031915.

55. Ren, Y.; Wachsman, E. D. All solid-state Li/LLZO/LCO battery enabled by alumina interfacial coating. J. Electrochem. Soc. 2022, 169, 040529.

56. Park, K.; Yu, B.; Jung, J.; et al. Electrochemical nature of the cathode interface for a solid-state lithium-ion battery: interface between LiCoO₂ and garnet-Li₇La₃Zr₂O₁₂. Chem. Mater. 2016, 28, 8051-9.

57. Sun, W.; Shi, W.; Yang, J.; et al. Multi-element synergistic doping enhances high-voltage performance of LiCoO₂ via stabilizing internal and surface structures. Electrochim. Acta. 2024, 504, 144927.

58. Jamil, S.; Yue, L.; Li, C.; et al. Significance of gallium doping for high Ni, low Co/Mn layered oxide cathode material. Chem. Eng. J. 2022, 441, 135821.

59. Vardar, G.; Bowman, W. J.; Lu, Q.; et al. Structure, chemistry, and charge transfer resistance of the interface between Li₇La₃Zr₂O₁₂ electrolyte and LiCoO₂ cathode. Chem. Mater. 2018, 30, 6259-76.

60. Bitzer, M.; Van, Gestel. T.; Uhlenbruck, S.; Hans-peter-buchkremer, . Sol-gel synthesis of thin solid Li₇La₃Zr₂O₁₂ electrolyte films for Li-ion batteries. Thin. Solid. Films. 2016, 615, 128-34.

61. Rebohle, L.; Prucnal, S.; Skorupa, W. A review of thermal processing in the subsecond range: semiconductors and beyond. Semicond. Sci. Technol. 2016, 31, 103001.

62. Ping, W.; Wang, C.; Wang, R.; et al. Printable, high-performance solid-state electrolyte films. Sci. Adv. 2020, 6, eabc8641.

63. Ramos, E.; Browar, A.; Roehling, J.; Ye, J. CO₂ laser sintering of garnet-type solid-state electrolytes. ACS. Energy. Lett. 2022, 7, 3392-400.

64. Acord, K. A.; Dupuy, A. D.; Scipioni, Bertoli. U.; et al. Morphology, microstructure, and phase states in selective laser sintered lithium ion battery cathodes. J. Mater. Proc. Technol. 2021, 288, 116827.

65. Zhu, H.; Liu, J. Emerging applications of spark plasma sintering in all solid-state lithium-ion batteries and beyond. J. Power. Sources. 2018, 391, 10-25.

66. Li, L.; Andrews, J.; Mitchell, R.; Button, D.; Sinclair, D. C.; Reaney, I. M. Aqueous cold sintering of Li-based compounds. ACS. Appl. Mater. Interfaces. 2023, 15, 20228-39.

67. Waetzig, K.; Heubner, C.; Kusnezoff, M. Reduced sintering temperatures of Li⁺ conductive Li_1.3Al_0.3Ti_1.7(PO₄)₃ ceramics. Crystals 2020, 10, 408.