Table 1 The ratio Vopt/V0 and the ratio Iopt/I0 of TDNG composed of different materials with different optimum ∆T.

From: High performance temperature difference triboelectric nanogenerator

Materials

Al-Kapton

PA-6-Kapton

Cu-Kapton

Fe-Kapton

Al-PTFE

Optimum ∆T

145 K

144 K

145 K

143 K

90 K

Vopt/V0

2.7

3.2

3.0

3.9

2.7

Iopt/I0

2.2

2.0

2.6

10

1.7

  1. (Vopt and Iopt are the open-circuit voltage and short-circuit current of the TDNGs at the optimal ∆T, respectively. V0 and I0 are the open-circuit voltage and short-circuit current of the TDNGs when ∆T equals 0 K, respectively.)
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