用黑磷纳米片修饰的生物质多孔碳作为锂硫电池的有效硫宿主

IF 2.7 3区化学 Q2 CHEMISTRY, ANALYTICAL

Electroanalysis Pub Date : 2024-09-07 DOI:10.1002/elan.202400277

Zhe Yang, Xinyuan Liang, Chengzhuo Xiao, Jicheng Ma

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引用次数: 0

摘要

锂硫电池正极的穿梭效应和缓慢的氧化还原反应限制了其实际应用和发展。在此，我们合成了经黑磷纳米片修饰的花粉衍生多孔碳（BP/N-C），并将其用作锂硫电池中的硫宿主。从成分来看，生物质衍生碳形成了独特的三维骨架结构，具有高孔隙率和高导电率等优异性能。经黑磷改性后，BP/N-C 复合材料对多硫化锂的吸附能力和催化活性均有所提高。

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Biomass‐derived porous carbon modified with black phosphorus nanosheets as effective sulfur host for lithium‐sulfur batteries

The shuttle effect and slow oxidation‐reduction reactions of the cathode in lithium‐sulfur batteries limit its practical application and development. Herein, porous carbon derived from pollen modified by black phosphorus nanosheets (BP/N‐C) have been synthesized and utilized as a sulfur host in Li‐S batteries. From the compositional outlook, the biomass‐derived carbon forms a unique three‐dimensional skeleton structure, exhibiting excellent properties, such as high porosity and high conductivity. Upon modified with black phosphorus, the BP/N‐C composite materials demonstrate enhanced adsorption ability and catalytic activity toward lithium polysulfide

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来源期刊

Electroanalysis 化学-电化学

CiteScore

6.00

自引率

3.30%

发文量

222

审稿时长

2.4 months

期刊介绍： Electroanalysis is an international, peer-reviewed journal covering all branches of electroanalytical chemistry, including both fundamental and application papers as well as reviews dealing with new electrochemical sensors and biosensors, nanobioelectronics devices, analytical voltammetry, potentiometry, new electrochemical detection schemes based on novel nanomaterials, fuel cells and biofuel cells, and important practical applications. Serving as a vital communication link between the research labs and the field, Electroanalysis helps you to quickly adapt the latest innovations into practical clinical, environmental, food analysis, industrial and energy-related applications. Electroanalysis provides the most comprehensive coverage of the field and is the number one source for information on electroanalytical chemistry, electrochemical sensors and biosensors and fuel/biofuel cells.