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Comprehensive Insights on MXene-Based TENGs: from Structures, Functions to Applications.

Shengwu Deng1, Wasim Akram1, Xiaorui Ye1

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Small (Weinheim an Der Bergstrasse, Germany)
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MXenes, novel 2D materials, significantly boost triboelectric nanogenerators (TENGs) for energy harvesting and sensing. This review details MXenes

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MXenesadvantage analysisenergy harvestingmaterial optimizationself‐powered sensingtriboelectric nanogenerators

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Energy Harvesting

Background:

  • Triboelectric nanogenerators (TENGs) are emerging technologies for energy harvesting and self-powered sensing.
  • Optimizing TENG performance requires advancements in material selection and device design.
  • MXenes, a class of novel 2D materials, show significant potential for enhancing TENG functionality due to their unique properties.

Purpose of the Study:

  • To comprehensively review the advantages of incorporating MXenes into TENGs.
  • To explore the theoretical foundations, working modes, and challenges of TENGs.
  • To highlight the role of MXenes in improving TENG performance and applications.

Main Methods:

  • Overview of TENGs: theoretical principles, working mechanisms, material considerations, and current challenges.
  • Detailed examination of MXenes: structural characteristics, fabrication methods, and developmental trends.
  • Analysis of MXene integration: use as triboelectric layers (positive/negative) and electrode materials in TENGs.

Main Results:

  • MXenes offer superior properties that enhance TENG functionality.
  • MXene-based TENGs exhibit distinct advantages in performance and application scope.
  • The review systematically categorizes the benefits of MXenes across six key aspects.

Conclusions:

  • MXenes are highly promising materials for advancing TENG technology.
  • Further research into MXene-based TENGs can unlock new possibilities in energy harvesting and sensing.
  • Addressing existing challenges and exploring future directions is crucial for the widespread adoption of MXene-TENGs.