fig23

Figure 23. Schematic and performance diagrams of pressure-driven generator based on VMMs. (A) Schematic diagram of pressure-driven generator based on VMMs. (B) Ion transport in HMMs and VMMs. (C) Ionic conductance of VMMs and HMMs. (D) Streaming currents growing linearly with hydraulic pressure. Figures reproduced with permission from Qu et al.[134] (Copyright © 2020 American Chemical Society). VMMs: Vertically-oriented MXene membranes; HMMs: horizontally stacked MXene membranes.