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. 2019 Apr 5;5(4):eaav6437. doi: 10.1126/sciadv.aav6437

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Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

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Fig. 3 — (A) Structural design of the rotary mode DC-TENG. Inset shows a zoomed-in illustration of its stator. (B) Working mechanism of the rotary mode DC-TENG. (C) Photographs of the fabricated rotary mode DC-TENG. Scale bar, 5 cm. (D) Short-circuit current, (E) transferred charges, and (F) open-circuit voltage of the rotary mode DC-TENG at different rotation rates (300, 400, 500, and 600 r min⁻¹). (G) Output current of the rotary mode DC-TENG with various resistances. Inset shows the detailed output current at 1 kilohm and 40 megohms. (H) Output voltage and (I) power of the rotary mode DC-TENG with various resistances.