Ultrahigh areal number density solid-state on-chip microsupercapacitors via electrohydrodynamic jet printing

Kwon Hyung Lee; Seong Sun Lee; David B. Ahn; Jaehyun Lee; Doyoung Byun; Sang Young Lee

doi:10.1126/sciadv.aaz1692

Ultrahigh areal number density solid-state on-chip microsupercapacitors via electrohydrodynamic jet printing

Kwon Hyung Lee, Seong Sun Lee, David B. Ahn, Jaehyun Lee, Doyoung Byun, Sang Young Lee

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

71 Citations (Scopus)

Abstract

Microsupercapacitors (MSCs) have garnered considerable attention as a promising power source for microelectronics and miniaturized portable/wearable devices. However, their practical application has been hindered by the manufacturing complexity and dimensional limits. Here, we develop a new class of ultrahigh areal number density solid-state MSCs (UHD SS-MSCs) on a chip via electrohydrodynamic (EHD) jet printing. This is, to the best of our knowledge, the first study to exploit EHD jet printing in the MSCs. The activated carbon-based electrode inks are EHD jet-printed, creating interdigitated electrodes with fine feature sizes. Subsequently, a drying-free, ultraviolet-cured solid-state gel electrolyte is introduced to ensure electrochemical isolation between the SS-MSCs, enabling dense SS-MSC integration with on-demand (in-series/in-parallel) cell connection on a chip. The resulting on-chip UHD SS-MSCs exhibit exceptional areal number density [36 unit cells integrated on a chip (area = 8.0 mm × 8.2 mm), 54.9 cells cm⁻²] and areal operating voltage (65.9 V cm⁻²).

Original language	English
Article number	eaaz1692
Journal	Science Advances
Volume	6
Issue number	10
DOIs	https://doi.org/10.1126/sciadv.aaz1692
Publication status	Published - 2020

Bibliographical note

Funding Information:
Funding: This work was supported by the U.S. Army Research Office (ARO) (W911NF-18-1-0016), the Basic Science Research Program (2017M1A2A2087810 and 2018R1A2A1A05019733), Wearable Platform Materials Technology Center (2016R1A5A1009926) through the National Research Foundation of Korea (NRF) grant by the Korean Government (MSIT), Industry Technology Development Program (10080540) funded by the Ministry of Trade, Industry and Energy (MOTIE, Korea), National Institute of Forest Science (FP 0400-2016-01), and Batteries R&D of LG Chem.

Publisher Copyright:
© 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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10.1126/sciadv.aaz1692

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title = "Ultrahigh areal number density solid-state on-chip microsupercapacitors via electrohydrodynamic jet printing",

abstract = "Microsupercapacitors (MSCs) have garnered considerable attention as a promising power source for microelectronics and miniaturized portable/wearable devices. However, their practical application has been hindered by the manufacturing complexity and dimensional limits. Here, we develop a new class of ultrahigh areal number density solid-state MSCs (UHD SS-MSCs) on a chip via electrohydrodynamic (EHD) jet printing. This is, to the best of our knowledge, the first study to exploit EHD jet printing in the MSCs. The activated carbon-based electrode inks are EHD jet-printed, creating interdigitated electrodes with fine feature sizes. Subsequently, a drying-free, ultraviolet-cured solid-state gel electrolyte is introduced to ensure electrochemical isolation between the SS-MSCs, enabling dense SS-MSC integration with on-demand (in-series/in-parallel) cell connection on a chip. The resulting on-chip UHD SS-MSCs exhibit exceptional areal number density [36 unit cells integrated on a chip (area = 8.0 mm × 8.2 mm), 54.9 cells cm−2] and areal operating voltage (65.9 V cm−2).",

author = "Lee, {Kwon Hyung} and Lee, {Seong Sun} and Ahn, {David B.} and Jaehyun Lee and Doyoung Byun and Lee, {Sang Young}",

note = "Funding Information: Funding: This work was supported by the U.S. Army Research Office (ARO) (W911NF-18-1-0016), the Basic Science Research Program (2017M1A2A2087810 and 2018R1A2A1A05019733), Wearable Platform Materials Technology Center (2016R1A5A1009926) through the National Research Foundation of Korea (NRF) grant by the Korean Government (MSIT), Industry Technology Development Program (10080540) funded by the Ministry of Trade, Industry and Energy (MOTIE, Korea), National Institute of Forest Science (FP 0400-2016-01), and Batteries R&D of LG Chem. Publisher Copyright: {\textcopyright} 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).",

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N2 - Microsupercapacitors (MSCs) have garnered considerable attention as a promising power source for microelectronics and miniaturized portable/wearable devices. However, their practical application has been hindered by the manufacturing complexity and dimensional limits. Here, we develop a new class of ultrahigh areal number density solid-state MSCs (UHD SS-MSCs) on a chip via electrohydrodynamic (EHD) jet printing. This is, to the best of our knowledge, the first study to exploit EHD jet printing in the MSCs. The activated carbon-based electrode inks are EHD jet-printed, creating interdigitated electrodes with fine feature sizes. Subsequently, a drying-free, ultraviolet-cured solid-state gel electrolyte is introduced to ensure electrochemical isolation between the SS-MSCs, enabling dense SS-MSC integration with on-demand (in-series/in-parallel) cell connection on a chip. The resulting on-chip UHD SS-MSCs exhibit exceptional areal number density [36 unit cells integrated on a chip (area = 8.0 mm × 8.2 mm), 54.9 cells cm−2] and areal operating voltage (65.9 V cm−2).

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Ultrahigh areal number density solid-state on-chip microsupercapacitors via electrohydrodynamic jet printing

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