fig4

Figure 4. (A) Schematic of electrospray-on-electrospinning CNT/PLA TE composite fabric strategy[103], Copyright 2023 Elsevier Ltd. (B) infrared images of ex-/inhalation of a volunteer wearing a mask with one unit of TE composite fabric and their detected voltage signal monitoring the normal breath and quick breath, (C, D) illustration of hydroelectric power generation with homogeneous and heterogeneous electrodes and a wristband assembled by five units of THEGs, and (E) performance of the MCs-MMC THEGs in dry and wet states[107]. Copyright 2023 Wiley-VCH GmbH. CNT: carbon nanotube; PLA: poly lactic acid; TE: Flexible thermoelectric; THEGs: thermo-hydroelectric generators; MCs: MoS2 carbonized silk; MMC: MoS2/MXene-Cotton.