DataVXACS Applied Energy MaterialsPaper
journal article·2020-05-26

All-Printed In-Plane Supercapacitors by Sequential Additive Manufacturing Process

Myeong-Lok Seol, Inho Nam, Erick L. Ribeiro, Becca Segel, Dongil Lee, Tyler Palma, Honglu Wu, Dibyendu Mukherjee, Bamin Khomami, Curtis Hill, Jin-Woo Han, M. Meyyappan

ACS Applied Energy Materials· Volume 3· Issue 5
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Source abstract

Abstract

Supercapacitors are attractive due to their high power density and durability relative to batteries. Printing technology has been rapidly emerging as manufacturing friendly, with a quick turn around and low-cost approach to produce a variety of devices. Herein, we show an end-to-end printing of supercapacitors including the substrate, current collector and active layers, and a gel polymer electrolyte, all simply printed. Two types of supercapacitors, electrochemical double-layer capacitor (EDLC) and pseudocapacitor (PC), were developed with activated carbon and graphene-Mn3O4 nanocomposite-based active layers, respectively. The all-printed supercapacitors show specific power and specific energy of 800.3 W/kg and 1.17 Wh/kg (at 0.5 A/g) for the EDLC and 1601 W/kg and 10.6 Wh/kg (at 1 A/g) for the PC. Extended durability tests reveal that the EDLC exhibits negligible performance deviation after 100 000 charge/discharge cycles while the PC shows less than 10% capacitance degradation after 25 000 cycles.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storagePolymersNanomaterialsMaterials processing

OpenAlex topics: Supercapacitor Materials and Fabrication · Advanced Sensor and Energy Harvesting Materials · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Center for Nanotechnology, NASA Ames Research Center, Moffett Field, California 94035, United States

Universities Space Research Association, NASA Ames Research Center, Moffett Field, California 94035, United States

School of Chemical Engineering and Materials Science, Institute of Energy Converting Soft Materials, Chung-Ang University, Seoul 06974, Republic of Korea

Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States

NASA Johnson Space Center, JSC-SK411, Houston, Texas 77058, United States

NASA Marshall Space Flight Center, MSFC-EM42, ESSCA, Huntsville, Alabama 35812, United States

Funding

Advanced Exploration Systems · Space Technology Mission Directorate · Human Exploration and Operations Mission Directorate

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