REFERENCES

1. Yu, C.; Luo, H.; Jin, Z.; et al. High-efficiency energy storage: high entropy materials design and interface regulation mechanism. Adv. Funct. Mater. 2025, 36, e11308.

2. Thomas, S. A.; Cherusseri, J.; Rajendran, D. N. Rapid synthesis of hierarchical cobalt disulfide nanostructures by microwave-assisted hydrothermal method for high performance supercapatteries. ACS. Appl. Electron. Mater. 2024, 6, 4321-35.

3. Park, K. J.; Choi, M. J.; Maglia, F.; et al. High-capacity concentration gradient Li[Ni_0.865Co_0.120Al_0.015]O₂ cathode for lithium-ion batteries. Adv. Energy. Mater. 2018, 8, 1703612.

4. He, T.; Kang, X.; Wang, F.; et al. Designing capacitive contribution in hard carbon materials for balancing energy and power under high current density for sodium-ion batteries. ACS. Appl. Energy. Mater. 2023, 6, 8149-57.

5. Liu, L.; Zhang, X.; Liu, Y.; Gong, X. Electrochemical energy storage devices - batteries, supercapacitors, and battery-supercapacitor hybrid devices. ACS. Appl. Electron. Mater. 2025, 7, 2233-70.

6. Wang, X.; Chen, W.; Shi, X.; et al. Microfluidics-assisted fabrication of all-flexible substrate-free micro-supercapacitors with customizable configuration and high performance. Adv. Energy. Mater. 2023, 13, 2203535.

7. Zhu, Q.; Zhao, D.; Cheng, M.; et al. A new view of supercapacitors: integrated supercapacitors. Adv. Energy. Mater. 2019, 9, 1901081.

8. Gao, D.; Luo, Z.; Liu, C.; Fan, S. A survey of hybrid energy devices based on supercapacitors. Green. Energy. Environ. 2023, 8, 972-88.

9. Xing, F.; Bi, Z.; Su, F.; Liu, F.; Wu, Z. S. Unraveling the design principles of battery-supercapacitor hybrid devices: from fundamental mechanisms to microstructure engineering and challenging perspectives. Adv. Energy. Mater. 2022, 12, 2200594.

10. Li, X.; Lou, D.; Wang, H.; Sun, X.; Li, J.; Liu, Y. N. Flexible supercapacitor based on organohydrogel electrolyte with long-term anti-freezing and anti-drying property. Adv. Funct. Mater. 2020, 30, 2007291.

11. Anjana, P.; Aminabhavi, T. M. Supercapattery: energy storage devices combining functionalities of battery electrodes and supercapacitor electrodes. J. Energy. Storage. 2025, 134, 118265.

12. Zhang, G.; Hu, J.; Nie, Y.; et al. Integrating flexible ultralight 3D Ni micromesh current collector with NiCo bimetallic hydroxide for smart hybrid supercapacitors. Adv. Funct. Mater. 2021, 31, 2100290.

13. Ye, F.; Yang, W.; Liao, X.; Dong, C.; Xu, L.; Mai, L. A micro battery supercapacitor hybrid device with ultrahigh cycle lifespan and power density enabled by Bi-functional coating design. Adv. Funct. Mater. 2024, 35, 2413379.

14. Zhou, X.; Zheng, X.; Dong, X.; et al. Recent advances in wearable fiber-shaped supercapacitors: materials, design, and applications. Energy. Mater. 2025, 5, 500048.

15. Hu, Y.; Wan, Z.; Song, H.; et al. Ultralong cycle stability poly(benzodifurandione)/Ti₃C₂T_x films as novel self-supporting electrodes for supercapacitors. J. Energy. Storage. 2025, 135, 118279.

16. Myung, S.; Maglia, F.; Park, K.; et al. Nickel-rich layered cathode materials for automotive lithium-ion batteries: achievements and perspectives. ACS. Energy. Lett. 2016, 2, 196-223.

17. Dong, H.; Zhang, L.; Liao, Y.; et al. Floating catalyst chemical vapor deposition patterning nitrogen-doped single-walled carbon nanotubes for shape tailorable and flexible micro-supercapacitors. Adv. Funct. Mater. 2023, 33, 2301103.

18. Liu, T.; Yan, R.; Huang, H.; et al. A micromolding method for transparent and flexible thin-film supercapacitors and hybrid supercapacitors. Adv. Funct. Mater. 2020, 30, 2004410.

19. Chen, Y.; Wang, Z.; Mei, X.; Wang, Q.; Xie, H.; Li, Y. Nitrogen and oxygen-codoped dense porous carbon enhancing ion adsorption for high-volumetric performance supercapacitors. Energy. Mater. 2025, 5, 500146.

20. Xu, J.; Dou, S.; Zhou, W.; et al. Scalable waste-plastic-derived carbon nanosheets with high contents of inbuilt nitrogen/sulfur sites for high performance potassium-ion hybrid capacitors. Nano. Energy. 2022, 95, 107015.

21. Cai, S.; Zhou, X.; Wang, Y.; Lu, X. Advanced carbonaceous materials for Zn-ion hybrid supercapacitors: status and perspectives. Energy. Mater. 2025, 5, 500085.

22. Agustiana, D.; Daraz, U.; Siburian, D. M.; Lyu, P.; Liu, H. Cathode materials for advanced lithium-ion batteries: developments, challenges, and emerging trends. Mater. Res. Bull. 2026, 195, 113842.

23. Kim, U.; Myung, S.; Yoon, C. S.; Sun, Y. Extending the battery life using an Al-doped Li[Ni_0.76Co_0.09Mn_0.15]O₂ cathode with concentration gradients for lithium ion batteries. ACS. Energy. Lett. 2017, 2, 1848-54.

24. Sun, X.; Zhang, X.; Huang, B.; Zhang, H.; Zhang, D.; Ma, Y. (LiNi_0.5Co_0.2Mn_0.3O₂ + AC)/graphite hybrid energy storage device with high specific energy and high rate capability. J. Power. Sources. 2013, 243, 361-8.

25. Han, Y.; Wang, Z.; Xie, L.; et al. Revealing the accelerated reaction kinetic of Ni-rich cathodes by activated carbons for high performance lithium-ion batteries. Carbon 2023, 203, 445-54.

26. Chen, X.; Mu, Y.; Cao, G.; et al. Structure-activity relationship of carbon additives in cathodes for advanced capacitor batteries. Electrochim. Acta. 2022, 413, 140165.

27. Su, F.; Qin, J.; Das, P.; Zhou, F.; Wu, Z. A high-performance rocking-chair lithium-ion battery-supercapacitor hybrid device boosted by doubly matched capacity and kinetics of the faradaic electrodes. Energy. Environ. Sci. 2021, 14, 2269-77.

28. Iqbal, M. Z.; Aziz, U. Supercapattery: merging of battery-supercapacitor electrodes for hybrid energy storage devices. J. Energy. Storage. 2022, 46, 103823.

29. Li, H.; Zhang, W.; Sun, K.; et al. Manganese-based materials for rechargeable batteries beyond lithium-ion. Adv. Energy. Mater. 2021, 11, 2100867.

30. Yan, Z.; Luo, S.; Li, Q.; Wu, Z. S.; Liu, S. F. Recent advances in flexible wearable supercapacitors: properties, fabrication, and applications. Adv. Sci. 2024, 11, e2302172.

31. Yang, E.; Shi, X.; Wu, L.; et al. A low-cost moderate-concentration hybrid electrolyte of introducing CaCl₂ and ethylene glycerol enables low-temperature and high-voltage micro-supercapacitors. Adv. Funct. Mater. 2024, 34, 2313395.

32. Zhao, W.; Jiang, M.; Wang, W.; Liu, S.; Huang, W.; Zhao, Q. Flexible transparent supercapacitors: materials and devices. Adv. Funct. Mater. 2020, 31, 2009136.

33. Wang, B.; Guo, R.; Zheng, M.; et al. Embedded binary functional materials/cellulose-based paper as freestanding anode for lithium ion batteries. Electrochim. Acta. 2018, 260, 1-10.

34. Zhang, Y. S.; Courtier, N. E.; Zhang, Z.; et al. A review of lithium-ion battery electrode drying: mechanisms and metrology. Adv. Energy. Mater. 2021, 12, 2102233.

35. Saqib, K. S.; Choi, J. H.; Park, S.; et al. High-mass loading nickel-rich cathode electrode design incorporating multidimensional carbon conductive additives to minimize ohmic contact resistance for high-performance lithium-ion batteries. ACS. Appl. Mater. Interfaces. 2025, 17, 48429-39.

36. Simon, P.; Gogotsi, Y. Materials for electrochemical capacitors. Nat. Mater. 2008, 7, 845-54.

37. Stoller, M. D.; Park, S.; Zhu, Y.; An, J.; Ruoff, R. S. Graphene-based ultracapacitors. Nano. Lett. 2008, 8, 3498-502.

38. Hsu, T. H.; Liu, W. R. Effects of graphene nanosheets with different lateral sizes as conductive additives on the electrochemical performance of LiNi_0.5Co_0.2Mn_0.3O₂ cathode materials for li ion batteries. Polymers 2020, 12, 1162.

39. Mu, J.; Zhang, L.; He, R.; et al. Enhancing the electrochemical performance of LiNi_0.5Mn_1.5O₄ cathode material by a conductive LaCoO₃ coating. J. Alloys. Compd. 2021, 865, 158629.

40. Li, Y.; Wu, X.; Wang, J.; Gao, X.; Hu, Y.; Wen, Z. Ni-less cathode with 3D free-standing conductive network for planar Na-NiCl₂ batteries. Chem. Eng. J. 2020, 387, 124059.

41. Kim, J. H.; Kim, H.; Choi, W.; Park, M. S. Bifunctional surface coating of LiNbO₃ on high-Ni layered cathode materials for lithium-ion batteries. ACS. Appl. Mater. Interfaces. 2020, 12, 35098-104.

42. Ryu, H.; Park, K.; Yoon, C. S.; Sun, Y. Capacity fading of Ni-Rich Li[Ni_xCo_yMn_1-x-y]O₂ (0.6 ≤ x ≤ 0.95) cathodes for high-energy-density lithium-ion batteries: bulk or surface degradation? Chem. Mater. 2018, 30, 1155-63.

43. Ko, D. S.; Park, J. H.; Yu, B. Y.; et al. Degradation of high-nickel-layered oxide cathodes from surface to bulk: a comprehensive structural, chemical, and electrical analysis. Adv. Energy. Mater. 2020, 10, 2001035.

44. Gao, X.; Li, B.; Rousse, G.; et al. Achieving high-voltage stability in Li-Rich Ni-Rich oxides with local W/Ni(Li) superstructure. Adv. Energy. Mater. 2024, 15, 2402793.

45. Vivekanantha, M.; Sundhar Arul Saravanan, R.; Kumar Nayak, P.; Prakash, R.; Kamala Bharathi, K. Synergistic-effect of high Ni content and Na dopant towards developing a highly stable Li-Rich cathode in Li-ion batteries. Chem. Eng. J. 2022, 444, 136503.

46. Wu, Z.; Zhang, C.; Yuan, F.; et al. Ni-rich cathode materials for stable high-energy lithium-ion batteries. Nano. Energy. 2024, 126, 109620.

47. Park, G. T.; Park, N. Y.; Ryu, H. H.; Sun, H. H.; Hwang, J. Y.; Sun, Y. K. Nano-rods in Ni-rich layered cathodes for practical batteries. Chem. Soc. Rev. 2024, 53, 11462-518.

48. Kim, E. J.; Tatara, R.; Hosaka, T.; Kubota, K.; Kumakura, S.; Komaba, S. Effects of particle size and polytype on the redox reversibility of the layered Na_0.76Ni_0.38Mn_0.62O₂ electrode. ACS. Appl. Energy. Mater. 2024, 7, 1015-26.

49. Taleghani, S. T.; Marcos, B.; Zaghib, K.; Lantagne, G. A study on the effect of porosity and particles size distribution on Li-ion battery performance. J. Electrochem. Soc. 2017, 164, E3179-89.

50. Ma, S.; Zhang, X.; Wu, S.; et al. Unraveling the nonlinear capacity fading mechanisms of Ni-rich layered oxide cathode. Energy. Storage. Materials. 2023, 55, 556-65.

51. Takahashi, I.; Kiuchi, H.; Ohma, A.; Fukunaga, T.; Matsubara, E. Cathode electrolyte interphase formation and electrolyte oxidation mechanism for Ni-Rich cathode materials. J. Phys. Chem. C. 2020, 124, 9243-8.

52. Li, B.; Zheng, J.; Zhang, H.; et al. Electrode materials, electrolytes, and challenges in nonaqueous lithium-ion capacitors. Adv. Mater. 2018, 30, e1705670.

53. Han, C.; Shi, F.; Wei, D.; et al. A three-dimensional points-lines-planes interweaved conductive additive with ultrahigh electron transfer for high-performance supercapacitors. ACS. Appl. Energy. Mater. 2024, 7, 4462-71.

54. Shi, Y.; Wen, L.; Pei, S.; Wu, M.; Li, F. Choice for graphene as conductive additive for cathode of lithium-ion batteries. J. Energy. Chem. 2019, 30, 19-26.

55. Hwang, J.; Do, K.; Ahn, H. Highly conductive 3D structural carbon network-encapsulated Ni-rich LiNi_0.8Co_0.1Mn_0.1O₂ as depolarized and passivated cathode for lithium-ion batteries. Chem. Eng. J. 2021, 406, 126813.

56. Zhao, W.; Zhang, R.; Ren, F.; et al. Protective coating of single-crystalline Ni-Rich cathode enables fast charging in all-solid-state batteries. ACS. Nano. 2025, 19, 8595-607.

57. Shellikeri, A.; Yturriaga, S.; Zheng, J.; et al. Hybrid lithium-ion capacitor with LiFePO₄/AC composite cathode - long term cycle life study, rate effect and charge sharing analysis. J. Power. Sources. 2018, 392, 285-95.

58. Liao, J.; Manthiram, A. Surface-modified concentration-gradient Ni-rich layered oxide cathodes for high-energy lithium-ion batteries. J. Power. Sources. 2015, 282, 429-36.

59. Chen, H.; Xia, X.; Ma, J. Comprehensive review of Li-Rich Mn-based layered oxide cathode materials for lithium-ion batteries: theories, challenges, strategies and perspectives. ChemSusChem 2024, 17, e202401120.

60. Sun, X.; Zhang, X.; Zhang, H.; Xu, N.; Wang, K.; Ma, Y. High performance lithium-ion hybrid capacitors with pre-lithiated hard carbon anodes and bifunctional cathode electrodes. J. Power. Sources. 2014, 270, 318-25.

61. Bhowmik, S.; Dutta, J.; Ansari, T. A.; Martha, S. K. Design and performance analysis of high surface area carbon and LiNi_0.8Mn_0.1Co_0.1O₂ composite as cathode for lithium-ion battery capacitors. Electrochim. Acta. 2025, 515, 145703.

62. Eleri, O. E.; Lou, F.; Yu, Z. Lithium-ion capacitors: a review of strategies toward enhancing the performance of the activated carbon cathode. Batteries 2023, 9, 533.

63. Dong, S.; Yao, H.; Qin, Z.; Li, W.; Liu, Y.; Zhao, Y. Multifunctional surface engineering of Ni-Rich layered cathodes for ultra-stable lithium-ion batteries. Chemistry 2026, 32, e02108.

64. Jiao, T.; Liu, G.; Zou, Y.; et al. A novel trimethylsilyl 2-(fluorosulfonyl)difluoroacetate additive for stabilizing the Ni-rich LiNi_0.9Co_0.05Mn_0.05O₂/electrolyte interface. J. Power. Sources. 2021, 515, 230618.

65. Liu, Z.; Wang, D.; Kou, X.; et al. High-performance oxygen reduction electrocatalysts derived from bimetal-organic framework and sulfur-doped precursors for use in microbial fuel cells. J. Power. Sources. 2022, 521, 230944.

66. Liu, K.; Yang, J.; Wang, H.; et al. Achieving fast charging and superior cycling stability single-crystal Ni-Rich cathodes by ultrafast aqueous washing. Adv. Sci. 2026, 13, e17421.

67. Chu, M.; Huang, Z.; Zhang, T.; et al. Enhancing the electrochemical performance and structural stability of Ni-Rich layered cathode materials via dual-site doping. ACS. Appl. Mater. Interfaces. 2021, 13, 19950-8.

68. Xiang, H.; Ren, H.; Liu, Y.; Yang, D.; Feng, X. High loading electrode with superior electron/ion transport network for high performance lithium-ion batteries. J. Power. Sources. 2024, 609, 234672.

69. Zhou, S.; Huang, P.; Xiong, T.; et al. Sub-thick electrodes with enhanced transport kinetics via in situ epitaxial heterogeneous interfaces for high areal-capacity lithium ion batteries. Small 2021, 17, e2100778.

70. Qiu, L.; Zhang, M.; Hua, W.; et al. Unveiling surface reconstruction as the primary trigger for capacity loss in ultra-high nickel cathodes. Angew. Chem. Int. Ed. Engl. 2025, 64, e202417278.

71. Wang, G.; Huang, C.; Hu, C.; et al. Dynamic pinning by embedded La₄LiNiO₈ for novel and advanced high-nickel cathode materials of LiNi_0.9Co_0.085Ti_0.015O₂. Chem. Eng. J. 2025, 523, 168403.

72. Tang, W.; Shu, Z.; Li, A.; Huang, X.; Li, W. Enhancing structural integrity and long-term cycling stability of high-voltage single-crystalline Ni-rich cathodes via surface/subsurface dual-functional modification engineering. Energy. Storage. Materials. 2025, 77, 104185.

73. Liao, Q.; Guo, S.; Qi, M.; et al. The genesis and control of microcracks in nickel-rich cathode materials for lithium-ion batteries. Sustainable. Energy. Fuels. 2023, 7, 4805-24.

74. Hong, Y.; Hong, S.; Kim, S. O.; Chung, K. Y.; Kim, S. M.; Chang, W. Performance degradation mechanism of high-nickel cathode depending on discharge rates and charge voltages during long-term cycling. Nano. Lett. 2025, 25, 6735-42.