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GAO, W. IFFELSBERGER, C. PUMERA, M.
Original Title
Dual polymer engineering enables high-performance 3D printed Zn-organic battery cathodes
Type
journal article in Web of Science
Language
English
Original Abstract
Fused deposition modeling (FDM) 3D-printed one-dimensional (1D) carbon materials show great potential as skeletons for newly emerged aqueous Zn-organic batteries due to their well-entangled conductive networks and design flexibility in on-demand fabrication. However, (i) the insulating character of commonly used thermoplastic polymers in FDM 3D printing and (ii) the incompatibility between organic cathodes and cost-efficient aqueous mild electrolytes present a stumbling block for the current development of FDM 3D-printed Zn-organic batteries. Targeting these two aspects, this work proposes a dual-polymer-engineered cathode for high-performance Zn2+ storage. The engineering consists of (i) a crystallinity engineering of insulating poly(lactic acid) (PLA) in 3D-printed carbon frameworks to confine the nanocarbon accommodation space to form a more compact conductive network, and (ii) a protonation engineering of polyaniline (PANI) by in situ introduction of polyacrylic acid (PAA) during electrodeposition process to construct an internal proton reservoir for reversible redox reactions of PANI. Such dual-polymer-engineered cathode (3D@PANI-PAA) presents a reversible capacity of 214.6 mAh g−1 at 0.4 A g−1, good rate performance (117.2 mAh g−1 at 3.2 A g−1), and much improved cycling stability over 1000 cycles (78.1% capacity retention). This combined approach delivers new concepts to construct reliable aqueous Zn-organic batteries and enlarges the FDM 3D printing for electrochemical energy storage applications.
Keywords
3D printing; Fused deposition modelling; Polyaniline; Scanning electrochemical microscopy; Zinc-organic batteries
Authors
GAO, W.; IFFELSBERGER, C.; PUMERA, M.
Released
22. 8. 2022
ISBN
2352-9407
Periodical
Applied Materials Today
Year of study
28
Number
1
State
Kingdom of the Netherlands
Pages from
101515
Pages to
101526
Pages count
12
URL
https://www.sciencedirect.com/science/article/pii/S2352940722001500?via%3Dihub
BibTex
@article{BUT181614, author="Wanli {Gao} and Christian {Iffelsberger} and Martin {Pumera}", title="Dual polymer engineering enables high-performance 3D printed Zn-organic battery cathodes", journal="Applied Materials Today", year="2022", volume="28", number="1", pages="12", doi="10.1016/j.apmt.2022.101515", issn="2352-9407", url="https://www.sciencedirect.com/science/article/pii/S2352940722001500?via%3Dihub" }