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A Minimal Volume Hermetic Packaging Design for High-Energy-Density Micro-Energy Systems

Author

Listed:
  • Xiujun Yue

    (Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, PA 19104, USA)

  • Jessica Grzyb

    (Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, PA 19104, USA)

  • Akaash Padmanabha

    (Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, PA 19104, USA)

  • James H. Pikul

    (Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, PA 19104, USA)

Abstract

Hermetic packaging is critical to the function of many microscale energy storage and harvesting devices. State-of-the-art hermetic packaging strategies for energy technologies, however, are designed for macroscale devices and dramatically decrease the fraction of active materials when applied to micro-energy systems. We demonstrated a minimal volume hermetic packaging strategy for micro-energy systems that increased the volume of active energy storage materials by 2× and 5× compared to the best lab scale microbatteries and commercial pouch cells. The minimal volume design used metal current collectors as a multifunctional hermetic shell and laser-machined hot melt tape to provide a thin, robust hermetic seal between the current collectors with a stronger adhesion to metals than most commercial adhesives. We developed the packaging using commercially available equipment and materials, and demonstrated a strategy that could be applied to many kinds of micro-energy systems with custom shape configurations. This minimal, versatile packaging has the potential to improve the energy density of current micro-energy systems for applications ranging from biomedical devices to micro-robots.

Suggested Citation

  • Xiujun Yue & Jessica Grzyb & Akaash Padmanabha & James H. Pikul, 2020. "A Minimal Volume Hermetic Packaging Design for High-Energy-Density Micro-Energy Systems," Energies, MDPI, vol. 13(10), pages 1-7, May.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:10:p:2492-:d:358436
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    References listed on IDEAS

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    1. James H. Pikul & Hui Gang Zhang & Jiung Cho & Paul V. Braun & William P. King, 2013. "High-power lithium ion microbatteries from interdigitated three-dimensional bicontinuous nanoporous electrodes," Nature Communications, Nature, vol. 4(1), pages 1-5, June.
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