REFERENCES

1. Garofalo, E.; Bevione, M.; Cecchini, L.; Mattiussi, F.; Chiolerio, A. Waste heat to power: technologies, current applications, and future potential. Energy. Technol. 2020, 8, 2000413.

2. Han, C. G.; Qian, X.; Li, Q.; et al. Giant thermopower of ionic gelatin near room temperature. Science 2020, 368, 1091-8.

3. Duan, J.; Yu, B.; Huang, L.; et al. Liquid-state thermocells: opportunities and challenges for low-grade heat harvesting. Joule 2021, 5, 768-79.

4. Li, Z.; Xu, Y.; Zhang, X. Progresses and insights of thermoelectrochemical devices for low-grade heat harvesting: from mechanisms, materials to devices. EnergyChem 2024, 6, 100136.

5. Shi, X. L.; Li, N. H.; Li, M.; Chen, Z. G. Toward efficient thermoelectric materials and devices: advances, challenges, and opportunities. Chem. Rev. 2025, 125, 7525-724.

6. Liu, W.; Fang, Y.; Lyu, X.; Peng, X.; Luo, Z.; Zou, Z. Construction and application of thermogalvanic hydrogels. Soft. Sci. 2024, 4, 44.

7. Lin, W.; Wu, S.; Niu, S.; et al. Critical design strategy of thermogalvanic hydrogels for low-grade heat harvesting. Adv. Sci. 2025, 12, e06038.

8. Xiao, M.; Meng, J.; Zhang, H.; Wu, Z.; Li, Z. Ionic gels for low-grade heat energy harvesting and thermal sensing. Adv. Mater. 2025, 37, e06436.

9. Zhang, H.; Yang, X.; Cui, X.; et al. Thermoelectric gel electronics for self‐powered wearable physiological monitoring. Adv. Funct. Mater. 2026, 36, e00015.

10. Cai, X.; Zeng, Y.; Liu, P.; et al. Bioinspired ionic thermoreceptors with anisotropic architecture for thermotactile perception in robots. Sci. Adv. 2026, 12, eaed5473.

11. Huang, M.; Liu, S.; Chi, Y.; et al. Multimodal sensing conductive organohydrogel electronics based on chitosan-encapsulated MXene nanocomposites for deep learning-enhanced ball sports recognition. Soft. Sci. 2025, 5, 24.

12. Chen, Y.; Huang, Q.; Liu, T.; Qian, X.; Yang, R. Effect of solvation shell structure on thermopower of liquid redox pairs. EcoMat 2023, 5, e12385.

13. Xu, Y.; Li, Z.; Li, S.; Zhang, S.; Zhang, X. Reversibly tuning thermopower enabled by phase-change electrolytes for low-grade heat harvesting. Energy. Environ. Sci. 2025, 18, 750-61.

14. Zeng, Y.; Yu, B.; Chen, M.; et al. Solvation entropy engineering of thermogalvanic electrolytes for efficient electrochemical refrigeration. Joule 2025, 9, 101822.

15. Li, S.; Li, Z.; Xu, D.; Hu, R. Strong concentration gradient effect and weak solvation effect in thermopower enhancement in K3Fe(CN)6/K4Fe(CN)6 aqueous electrolyte with ethanol addition. Chem. Eng. J. 2024, 493, 152806.

16. Fang, W.; Ou, Z.; Wang, Y.; et al. High-performance Cu-based liquid thermocells enabled by thermosensitive crystallization and etched carbon cloth electrode. Nanomicro. Lett. 2026, 18, 131.

17. Yu, H.; Liu, X.; Li, M.; et al. Constructing high‐power N‐type thermocells via fluoride‐mediated imidazole–iodine coordination. Angew. Chem. Int. Ed. Engl. 2026, 138, e25056.

18. Yu, B.; Duan, J.; Cong, H.; et al. Thermosensitive crystallization-boosted liquid thermocells for low-grade heat harvesting. Science 2020, 370, 342-6.

19. Zhou, H.; Yamada, T.; Kimizuka, N. Supramolecular thermo-electrochemical cells: enhanced thermoelectric performance by host-guest complexation and salt-induced crystallization. J. Am. Chem. Soc. 2016, 138, 10502-7.

20. Duan, J.; Feng, G.; Yu, B.; et al. Aqueous thermogalvanic cells with a high Seebeck coefficient for low-grade heat harvest. Nat. Commun. 2018, 9, 5146.

21. Gui, J. X.; Cheng, Y.; Ren, K.; et al. Development of ternary hydrogel electrolytes for superior gel thermocells: exceptional anti-drying, anti-freezing, and mechanical robustness. Adv. Mater. 2025, 37, e2420214.

22. Lin, Z.; Hong, J.; Huang, C.; et al. A strong, tough, and high-efficiency hydrogel thermocell for thermal energy harvesting. Nano. Energy. 2025, 138, 110878.

23. Liu, L.; Bo, Y.; Zhang, D.; et al. 3D printable shape-customized hydrogel thermocells. Natl. Sci. Rev. 2026, 13, nwaf518.

24. Liu, L.; Zhang, D.; Bai, P.; et al. Fatigue-resistant and super-tough thermocells. Nat. Commun. 2025, 16, 1963.

25. Li, J.; Chen, S.; Han, Z.; et al. High performance bacterial cellulose organogel‐based thermoelectrochemical cells by organic solvent‐driven crystallization for body heat harvest and self‐powered wearable strain sensors. Adv. Funct. Mater. 2023, 33, 2306509.

26. Liu, Z.; Hu, Y.; Lu, X.; Mo, Z.; Chen, G.; Liu, Z. Electrolyte engineering of quasi‐solid‐state thermocells for low‐grade heat harvest at sub‐zero temperatures. Adv. Energy. Mater. 2024, 14, 2402226.

27. Xie, B.; Chen, Z.; Li, H.; et al. Stratified triphasic thermocells with boosted thermopower enabled by entropy‐concentration dual regulation strategy. Adv. Funct. Mater. 2026, 36, e19934.

28. Li, Y.; Wang, W.; Cui, X.; et al. Self-powered machine-learning-assisted material identification enabled by a thermogalvanic dual-network hydrogel with a high thermopower. Small 2025, 21, e2405911.

29. Lu, X.; Xie, D.; Zhu, K.; et al. Swift assembly of adaptive thermocell arrays for device-level healable and energy-autonomous motion sensors. Nanomicro. Lett. 2023, 15, 196.

30. Xu, C.; Sun, Y.; Zhang, J.; Xu, W.; Tian, H. Adaptable and wearable thermocell based on stretchable hydrogel for body heat harvesting. Adv. Energy. Mater. 2022, 12, 2201542.

31. Lei, Z.; Gao, W.; Wu, P. Double-network thermocells with extraordinary toughness and boosted power density for continuous heat harvesting. Joule 2021, 5, 2211-22.

32. Liu, Y.; Yin, L.; Chen, S.; et al. A hydrogel thermoelectrochemical cell with high self-healability and enhanced thermopower both induced by zwitterions. J. Mater. Chem. A. 2024, 12, 18582-92.

33. Shin, G.; Baek, J. Y.; Kim, J. H.; et al. Mechanically adaptable high‐performance p(SBMA‐MMA) copolymer hydrogel with iron (II/III) perchlorate for wearable thermocell applications. Adv. Funct. Mater. 2025, 35, 2412524.

34. Liu, X.; Shen, X.; Li, H.; et al. Ethylene carbonate‐free propylene carbonate‐based electrolytes with excellent electrochemical compatibility for Li‐ion batteries through engineering electrolyte solvation structure. Adv. Energy. Mater. 2021, 11, 2003905.

35. Wu, Y.; Hu, Q.; Liang, H.; et al. Electrostatic potential as solvent descriptor to enable rational electrolyte design for lithium batteries. Adv. Energy. Mater. 2023, 13, 2300259.

36. Gaussian, Inc. Gaussian 16. https://gaussian.com/gaussian16. (accessed 2026-10-09).

37. Ma, N.; Chen, Y.; Wang, L.; et al. Ag/AgCl@agar/P(AM-co-HEAA) hydrogel with ultra-stretchability, fatigue resistance, and freezing tolerance for human motion and electrophysiological signal monitoring. Int. J. Biol. Macromol. 2025, 331, 148239.

38. Wu, T.; Chen, Y.; Ji, C.; Guo, G.; Li, M.; Sun, C. Bionic zwitterionic osmolyte-based hydrogel electrolyte for achieving highly reversible zinc–metal anodes. ACS. Appl. Energy. Mater. 2025, 8, 64-75.

39. Rosa, F.; Bordado, J.; Casquilho, M. Hydrosoluble copolymers of acrylamide‐(2‐acrylamido‐2‐methylpropanesulfonic acid). Synthesis and characterization by spectroscopy and viscometry. J. Appl. Polym. Sci. 2003, 87, 192-8.

40. Zhuang, W.; Wang, Z.; Li, C.; et al. Acidic hydrogel enables full-period Mn2+/MnO2 conversion in high-energy quasi-solid-state Zn-MnO2 batteries. Adv. Mater. 2026, 38, e22827.

41. Wang, H.; Wei, W.; Liu, X.; Xu, S.; Dong, Y.; He, R. Ultrahigh-capacity epitaxial deposition of planar Zn flakes enabled by amino-rich adhesive hydrogel electrolytes for durable low-temperature zinc batteries. Energy. Storage. Mater. 2023, 55, 597-605.

42. Wei, W.; Zhang, M.; Yan, H.; et al. Simultaneous regulation of solvation shell and ion migration in morpholine-crosslinked polyacrylamide hydrogel electrolytes for durable zinc metal batteries. J. Energy. Chem. 2025, 102, 703-11.

43. Li, J.; Chen, S.; Wu, Z.; et al. Bacterial cellulose hydrogel-based wearable thermo-electrochemical cells for continuous body heat harvest. Nano. Energy. 2023, 112, 108482.

44. Inoue, H.; Zhou, H.; Ando, H.; Nakagawa, S.; Yamada, T. Exploring the local solvation structure of redox molecules in a mixed solvent for increasing the Seebeck coefficient of thermocells. Chem. Sci. 2023, 15, 146-53.

45. Lin, W.; Niu, S.; Wu, S.; Fang, C. Engineering asymmetric solvation structures for synergistically boosted quasi-solid thermocells. Chem. Sci. 2026, 17, 15087-97.

46. Liu, Y.; Li, F.; Hao, J.; et al. A polyanionic hydrogel electrolyte with ion selective permeability for building ultra‐stable Zn/I2 batteries with 100 °C wide temperature range. Adv. Funct. Mater. 2024, 34, 2400517.

47. Hu, X.; Liu, L.; Wang, J. Hydrogels for robust thermal management: mechanism and applications. Chem. Soc. Rev. 2026, 55, 3432-68.

48. Zhang, C.; Shi, X. L.; Chao, X.; et al. Ionic coordination and hierarchical architecture enable record n-type thermoelectric efficiency in soft hydrogels. Angew. Chem. Int. Ed. Engl. 2026, 65, e4172130.

49. Lu, X.; Mo, Z.; Liu, Z.; et al. Robust, efficient, and recoverable thermocells with zwitterion-boosted hydrogel electrolytes for energy-autonomous and wearable sensing. Angew. Chem. Int. Ed. Engl. 2024, 63, e202405357.

50. Liu, Z.; Qu, M.; Xu, F.; et al. Antisolvent engineering enhanced high-entropy liquid flow thermocells with giant power densities for low-grade heat harvesting. Energy. Environ. Sci. 2026, 19, 1054-68.

51. Han, C.; Zhu, Y.; Yang, L.; et al. Remarkable high-temperature ionic thermoelectric performance induced by graphene in gel thermocells. Energy. Environ. Sci. 2024, 17, 1559-69.

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