纳米纤维/还原氧化石墨烯/聚吡咯高性能电极材料

IF 0.9 4区农林科学 Q3 MATERIALS SCIENCE, PAPER & WOOD

Nordic Pulp & Paper Research Journal Pub Date : 2023-11-08 DOI:10.1515/npprj-2023-0029

Yunhao Luan, Lingyun Jia, Wenli Liu, Pengtao Liu

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引用次数: 0

摘要

摘要在纤维素纳米纤维悬浮液中加入氧化石墨烯(GO)和聚吡咯(PPy)制备复合气凝胶。然后用还原剂将氧化石墨烯还原为RGO(还原性氧化石墨烯)，制备出导电性能优异的CNFs/RGO/PPy复合气凝胶。采用扫描电镜(SEM)对CNFs/RGO/PPy气凝胶的结构和形貌进行了分析。采用循环伏安法(CV)、恒流充放电法(GCD)和电化学阻抗谱法(EIS)对其电化学性能进行了分析。结果表明，当CNFs/RGO/PPy的比例为6:2:3时，可获得最佳的结构和电化学效果。在0.25 mA cm−2的电流密度下，CNFs/RGO/PPy复合气凝胶具有较高的电化学性能，比电容为330 F g−1。作为一种储能材料，该复合材料在电极材料中具有优异的潜力。

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Nanofibers/reduced graphene oxide/polypyrrole for High-performance electrode material

Abstract This paper prepared the composite aerogel by adding graphene oxide (GO) and polypyrrole (PPy) to the cellulose nanofiber suspension. Then GO was reduced to RGO (reduced graphene oxide) with reducing agent, and CNFs/RGO/PPy composite aerogel with excellent conductivity was prepared. Scanning electron microscope (SEM) was adopted to analyze the structure and morphology of CNFs/RGO/PPy aerogel. Cyclic voltammetry (CV), galvanostatic charge-discharge (GCD), and electrochemical impedance spectroscopy (EIS) were employed to analyze its electrochemical properties. The results showed that the best structure and electrochemical effect could be obtained when the ratio of CNFs/RGO/PPy was 6:2:3. At the current density of 0.25 mA cm −2 , CNFs/RGO/PPy composite aerogel had higher electrochemical performance, and the specific capacitance was 330 F g −1 . As an energy storage material, the composite has excellent potential in electrode materials.

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来源期刊

Nordic Pulp & Paper Research Journal 工程技术-材料科学：纸与木材

CiteScore

2.50

自引率

16.70%

发文量

审稿时长

1 months

期刊介绍： Nordic Pulp & Paper Research Journal (NPPRJ) is a peer-reviewed, international scientific journal covering to-date science and technology research in the areas of wood-based biomass: Pulp and paper: products and processes Wood constituents: characterization and nanotechnologies Bio-refining, recovery and energy issues Utilization of side-streams from pulping processes Novel fibre-based, sustainable and smart materials. The editors and the publisher are committed to high quality standards and rapid handling of the peer review and publication processes. Topics Cutting-edge topics such as, but not limited to, the following: Biorefining, energy issues Wood fibre characterization and nanotechnology Side-streams and new products from wood pulping processes Mechanical pulping Chemical pulping, recovery and bleaching Paper technology Paper chemistry and physics Coating Paper-ink-interactions Recycling Environmental issues.