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- Title
A Minimal Volume Hermetic Packaging Design for High-Energy-Density Micro-Energy Systems †.
- Authors
Yue, Xiujun; Grzyb, Jessica; Padmanabha, Akaash; Pikul, James H.
- 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.
- Subjects
PACKAGING design; ENERGY harvesting; DENSITY currents; ENERGY storage; ENERGY density; PACKAGING machinery; ADHESIVE tape
- Publication
Energies (19961073), 2020, Vol 13, Issue 10, p2492
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en13102492