COF Crystal Composite for Fast Heat Storage and Dissipation

The patent creates a composite material combining COF single crystals with heat storage/dissipation materials. The COF single crystal framework provides high thermal conductivity pathways, while the integrated heat storage/dissipation materials provide the phase change or chemical reaction functionality. This composite structure resolves the contradiction by allowing rapid heat diffusion through the COF framework while maintaining reliable heat storage/dissipation capacity.

The patent fundamentally changes the crystal size parameter of COF materials from conventional fine powders to large single crystals exceeding 120 μm in diameter. This parameter change dramatically improves thermal conductivity while maintaining the chemical stability and porous structure characteristic of COF materials. The large single crystal structure eliminates grain boundaries that impede heat diffusion in fine powder forms.

The patent introduces an ionic liquid as an intermediary substance in the crystal growth process. The ionic liquid facilitates the formation and growth of large COF single crystals by providing a suitable reaction environment and mediating the self-assembly of COF building blocks. This intermediary approach enables the production of large crystals without requiring overly complex production processes.

The patent employs a self-assembly approach where COF building blocks spontaneously organize into large single crystal structures under controlled conditions. The ionic liquid facilitates this self-assembly process, allowing the system to self-organize into the desired large crystal form without requiring complex external manipulation or processing steps. This self-service mechanism simplifies manufacturing despite the advanced crystal size requirements.