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Type feature | Tactile sensors | Motion sensors | Strain sensors | Others |
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Size (cm) | [124] [128] [129] [130] [131] | 7.1 () [119] 150 [133] [134] [135] 0.01 (thick) [136] [137] [138] | [106] [109] [139] [141] [143] | [106] 25 [145] [107] [116] [147] [148] |
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Sensitivity/output voltage | 0.99 V·kPa-1 [128] 0.39-1.46 V·N-1 [129] Uniaxial strain 1160% [132] | 0.06 V·N-1 [133] 45.5 mV·K-1 [134] Over 2000 V·m-2 [137] 72 V/ () [138] | 2.0 V [106] 29.4 mV [139] 0.16 W·m-2 [143] 49.7 V [143] 1.2 V [144] | 0.55 V·kPa-1 and 0.1 V·°C-1 [107] <0.1 K and >28.9 kPa-1 [147] 42 V [148] |
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Position/accessory | Finger [124–126, 128] Finger skin [127] Finger and hand [129] Hand [131, 132] Wrist [130] | Hand and chest [119] Sock [133] Elbow and wrist [134] Arm and leg [135] Wrist, foot, elbow, knee [137] Cap or jaw [138] | Joint [106] Forearm, shirt, pants [109] Abdomen [117] Thumb and wrist [140] Finger [141, 144] Cotton glove [142] Finger, elbow, arm, knee [143] | Elbow, leg, neck [106] Respirator [108, 145, 148] Finger [107] Waist and abdomen [116] Hand and fingertip [147] |
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Flexibility | Yes [124–132] | Yes [133–138] None [119] | Yes [109, 117, 140–144] None [106, 139] | Yes [108, 118, 147] None [107, 108, 145, 148] |
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Stretchability | Yes [124–126, 129–132] None [127, 128] | Yes [135, 138] None [119, 133, 134, 136, 137] | Yes [117, 140–144] None [106, 109, 139] | Yes [106, 147] None [107, 109, 110, 118, 148] |
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Types of nanogenerator | PENG [128, 132] TENG [125–127, 129–131] PYENG [124] | TENG [135, 136, 138] Hybrid [119, 133, 134, 137] | PENG [139, 144] TENG [106, 109, 140–143] Hybrid [117] | TENG [107–110] PYENG [147, 148] Hybrid [116] |
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