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用于超级电容器的硝酸盐掺杂聚吡咯/银纳米线纳米棒的合成与电化学表征

Synthesis and Electrochemical Characterization of Nitrate-Doped Polypyrrole/Ag Nanowire Nanorods as Supercapacitors.

作者信息

Kang Hyo-Kyung, Pyo Ki-Hyun, Jang Yoon-Hee, Kim Youn-Soo, Kim Jin-Yeol

机构信息

School of Advanced Materials Engineering, Kookmin University, Seoul 02707, Republic of Korea.

Advanced Photovoltaics Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea.

出版信息

Materials (Basel). 2024 Apr 24;17(9):1962. doi: 10.3390/ma17091962.

DOI:10.3390/ma17091962
PMID:38730769
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11084369/
Abstract

Polypyrrole (PPy)-capped silver nanowire (Ag NW) nanomaterials (core-shell rod-shaped Ag NW@PPy) were synthesized using a one-port suspension polymerization technique. The thickness of the PPy layer on the 50 nm thickness/15 μm length Ag NW was effectively controlled to 10, 40, 50, and 60 nm. Thin films cast from one-dimensional conductive Ag NW@PPy formed a three-dimensional (3D) conductive porous network structure and provided excellent electrochemical performance. The 3D Ag NW@PPy network can significantly reduce the internal resistance of the electrode and maintain structural stability. As a result, a high specific capacitance of 625 F/g at a scan rate of 1 mV/s was obtained from the 3D porous Ag NW@PPy composite film. The cycling performance over a long period exceeding 10,000 cycles was also evaluated. We expect that our core-shell-structured Ag NW@PPy composites and their 3D porous structure network films can be applied as electrochemical materials for the design and manufacturing of supercapacitors and other energy storage devices.

摘要

采用单端口悬浮聚合技术合成了聚吡咯（PPy）包覆的银纳米线（Ag NW）纳米材料（核壳棒状Ag NW@PPy）。在厚度为50 nm、长度为15 μm的Ag NW上，PPy层的厚度被有效控制为10、40、50和60 nm。由一维导电Ag NW@PPy浇铸而成的薄膜形成了三维（3D）导电多孔网络结构，并具有优异的电化学性能。3D Ag NW@PPy网络可显著降低电极的内阻并保持结构稳定性。结果，从3D多孔Ag NW@PPy复合薄膜在扫描速率为1 mV/s时获得了625 F/g的高比电容。还评估了超过10000次循环的长期循环性能。我们期望我们的核壳结构Ag NW@PPy复合材料及其3D多孔结构网络薄膜可作为电化学材料应用于超级电容器和其他储能装置的设计与制造。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/6d2938114dc9/materials-17-01962-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/640b10d2ff05/materials-17-01962-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/73e180df8bec/materials-17-01962-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/15467803a48a/materials-17-01962-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/13338b75ed49/materials-17-01962-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/39d67a395df1/materials-17-01962-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/a365c6e9f621/materials-17-01962-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/9d7366b1f328/materials-17-01962-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/6d2938114dc9/materials-17-01962-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/640b10d2ff05/materials-17-01962-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/73e180df8bec/materials-17-01962-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/15467803a48a/materials-17-01962-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/13338b75ed49/materials-17-01962-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/39d67a395df1/materials-17-01962-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/a365c6e9f621/materials-17-01962-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/9d7366b1f328/materials-17-01962-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4888/11084369/6d2938114dc9/materials-17-01962-g007.jpg

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本文引用的文献

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Core-double-shell, carbon nanotube@polypyrrole@MnO₂ sponge as freestanding, compressible supercapacitor electrode.核壳双结构的碳纳米管@聚吡咯@二氧化锰海绵作为独立的、可压缩的超级电容器电极。
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