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. 2022 Aug 11;3(5):100301. doi: 10.1016/j.xinn.2022.100301

Figure 3.

Figure 3

Principle of the stability of electrical performance of LA-TEG in ion-rich solution

(A) Voltage output of an LA-TEG at −2°C for 30 min. The frequency of water droplet impingement is 0.4 Hz.

(B) Voltage output of an LA-TEG at a relative humidity of 100% for 1 h. The frequency of water droplet impingement is ∼5 Hz.

(C) Voltage output of an LA-TEG being immersed in seawater.

(D and E) Molecular dynamics simulation showing the distribution of mobile ions (Na+ and Cl−) inside the water and on the LA-TEG surface as well as the control sample surface, respectively.

(F) Comparison of the percentage of Na+ being adsorbed on the LA-TEG surface and control sample surface, respectively.

(G) Influence of alkali metal ions with increased atom numbers on the voltage output of a LA-TEG. Data are means ± s.e.m. For each mean, the total number of measurements is fifteen.

(H) Influence of ion concentration on the voltage output of a LA-TEG. Data are means ± s.e.m. For each mean, the total number of measurements is fifteen.

(I) Influence of pH value on the voltage output of a LA-TEG. Different pH values of solution are obtained by dropping 1 M HCl or NaOH into 50 mL of 1 M NaCl solutions to rule out the influence of ion concentration. Data are means ± s.e.m. For each mean, the total number of measurements is fifteen.