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Vertical Phase-Engineering MoS 2 Nanosheet-Enhanced Textiles for Efficient Moisture-Based Energy Generation.
- Source :
-
ACS nano [ACS Nano] 2024 Jan 09; Vol. 18 (1), pp. 492-505. Date of Electronic Publication: 2023 Dec 20. - Publication Year :
- 2024
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Abstract
- Flexible moisture-electric generators (MEGs) capture chemical energy from atmospheric moisture for sustainable electricity, gaining attention in wearable electronics. However, challenges persist in the large-scale integration and miniaturization of MEGs for long-term, high-power output. Herein, a vertical heterogeneous phase-engineering MoS <subscript>2</subscript> nanosheet structure based silk and cotton were rationally designed and successfully applied to construct wearable MEGs for moisture-energy conversion. The prepared METs exhibit ∼0.8 V open-circuit voltage, ∼0.27 mA/cm <superscript>2</superscript> current density for >10 h, and >36.12 μW/cm <superscript>2</superscript> peak output power density, 3 orders higher than current standards. And the large-scale device realizes a current output of 0.145 A. An internal phase gradient between the 2H semiconductor MoS <subscript>2</subscript> in carbonized silks and 1T metallic MoS <subscript>2</subscript> in cotton fibers enables a phase-engineering-based heterogeneous electric double layer functioning as an equivalent parallel circuit, leading to enhanced high-power output. Owing to their facile customization for seamless adaptation to the human body, we envision exciting possibilities for these wearable METs as integrated self-power sources, enabling real-time monitoring of physiological parameters in wearable electronics.
Details
- Language :
- English
- ISSN :
- 1936-086X
- Volume :
- 18
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- ACS nano
- Publication Type :
- Academic Journal
- Accession number :
- 38117279
- Full Text :
- https://doi.org/10.1021/acsnano.3c08132