Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 30, Issue 50, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202004181
Keywords
energy harvesting; liquid single-electrodes; motion monitoring; MXene; triboelectric nanogenerators
Categories
Funding
- Fundamental Research Funds for the Central Universities [2019YC02]
- Beijing Forestry University Outstanding Young Talent Cultivation Project [2019JQ03014]
- National Natural Science Foundation of China [61875015]
- National Postdoctoral Program for Innovative Talent [BX20190026]
- National Key RAMP
- D Program of China [2019YFC1905901]
- Key Production Innovative Development Plan of the Southern Bingtuan [2019DB007]
- SAMP
- T Innovation 2025 Major Special Programme of Ningbo [2018B10040]
- University of Chinese Academy of Sciences
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Growing demand in intelligent wearable electronics raises an urgent requirement to develop deformable and durable power sources with high electrical performance. Here, a stretchable and shape-adaptive triboelectric nanogenerator (TENG) based on a MXene liquid electrode is proposed. The open-circuit voltage of an MXene-based TENG reaches up to 300 V. The excellent fluidity and highly electronegativity of the MXene liquid electrode, gives the TENG long-term reliability and stable electrical output regardless of diverse extreme deformations. With harvesting mechanical energy from hand tapping motion, the TENG in a self-charging system can charge up capacitors to drive wearable electronics. Moreover, the TENG can be attached to both human skin and clothes as a human motion monitoring sensor, which can inspect the frequency and amplitude of various physiological movements. This work provides a new methodology for the construction of stretchable power sources and self-powered sensors, which have potential applications in diverse fields such as robotics, kinesiology, and biomechanics.
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