fig2
Figure 2. (A) FTIR spectra of Mt, sodium alginate, and 3D-Mt aerogels; (B) FTIR spectra of SA, 3D-Mt, and 3D-Mt/SA CPCMs. CPCMs: Composite phase change materials; FTIR: fourier transform infrared spectroscopy; Mt: montmorillonite; SA: stearic acid.