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Elaborate Control of Inkjet Printer for Fabrication of Chip-based Supercapacitors
Published on: November 30, 2021
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Stereolithographic 3D Printing-Based Hierarchically Cellular Lattices for High-Performance Quasi-Solid
Jianzhe Xue1, Libo Gao2,3, Xinkang Hu4
1School of Telecommunications Engineering, Xidian University, Xian, 710071, People's Republic of China.
Nano-Micro Letters
|June 17, 2021
Summary
Researchers developed a 3D printing method using stereolithography to create advanced supercapacitors. This technique enables hierarchical porous graphene structures for enhanced energy storage devices.
Area of Science:
- Materials Science
- Electrochemistry
- Additive Manufacturing
Background:
- 3D printing of supercapacitors faces challenges due to ink rheology.
- Achieving true 3D architectures for energy storage is difficult with current methods.
Purpose of the Study:
- To develop a novel stereolithographic 3D printing technique for fabricating quasi-solid supercapacitors.
- To engineer hierarchically porous graphene onto metallic composite lattices for improved energy storage.
Main Methods:
- Utilized stereolithography to create octet-truss metallic composite lattices.
- Employed electroless plating and 3D hierarchically porous graphene engineering.
- Fabricated quasi-solid supercapacitors using the developed composite lattices.
Main Results:
- The supercapacitor device exhibited high areal capacitance (57.75 mF cm⁻²).
- Demonstrated excellent rate capability (70% retention at 2-40 mA cm⁻²) and long lifespan (96% after 5000 cycles).
- Achieved a superior energy density of 0.008 mWh cm⁻², comparable to state-of-the-art carbon-based supercapacitors.
Conclusions:
- Stereolithographic 3D printing combined with hierarchical porous graphene offers a novel manufacturing route for energy storage devices.
- This approach provides new insights for developing high-performance functional electronics.
- The developed method overcomes limitations of traditional 3D printing inks for advanced energy storage applications.
