MoS2@porous从油菜花粉中提取的生物炭作为锂离子电池的负极材料

IF 1.8 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

International Journal of Applied Ceramic Technology Pub Date : 2024-12-30 DOI:10.1111/ijac.15027

Yifei Wang, Chunmei Wang, Shengqiang Wang, Huakang Zhang, Zhigang Liu, Jing Wang, Lirong Yang

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引用次数: 0

摘要

利用天然生物质制备多孔碳具有提高锂离子电池比容量和提高倍率性能的优点。本文利用经处理的RP （TRP）制备的空心网状多孔油菜花粉碳（RPC）微球作为骨架，装载二硫化钼纳米颗粒。采用水热热解方法制备了MoS2@porous生物炭衍生RP （MoS2@RPC）负极材料。由于球形、空心和网状多孔碳骨架的协同作用，更大的比表面积，均匀分布的MoS2纳米颗粒，以及适量的TRP， MoS2@RPC-1.0 （TRP用量为1.0 g）阳极材料表现出优异的速率性能和循环稳定性。在100次循环后观察到100 mA g - 1时的高比容量为~ 800 mAh g - 1，在500次循环后也获得了500 mA g - 1时的高比容量为~ 600 mAh g - 1。总之，MoS2@porous生物炭复合材料有望成为最有前途的锂离子电池负极材料之一。

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MoS2@porous biochar derived from rape pollen as anode material for lithium-ion batteries

Preparation of porous carbon from natural biomass offers attractive features to facilitate the specific capacity and promote the rate capability of lithium-ion battery (LIB). Herein, the hollow mesh porous rape pollen carbon (RPC) microsphere derived from treated RP (TRP) was utilized as a skeleton to load MoS₂ nanoparticles. The MoS₂@porous biochar-derived RP (MoS₂@RPC) anode materials were obtained by the hydrothermal–pyrolysis route. Attributing to the synergistic effect of spherical, hollow, and mesh porous carbon skeletons, larger specific surface areas, evenly distributed MoS₂ nanoparticles, and an appropriate amount of TRP, the MoS₂@RPC-1.0 (TRP amount of 1.0 g) anode material reveals exceptional rate capability and cycling stability. A high specific capacity of ∼800 mAh g⁻¹ at 100 mA g⁻¹ is observed after 100 cycles, and that of ∼600 mAh g⁻¹ at 500 mA g⁻¹ is also obtained after 500 cycles. In conclusion, the MoS₂@porous biochar composite is expected to become one of the most promising anode materials for LIBs.

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来源期刊

International Journal of Applied Ceramic Technology 工程技术-材料科学：硅酸盐

CiteScore

3.90

自引率

9.50%

发文量

280

审稿时长

4.5 months

期刊介绍： The International Journal of Applied Ceramic Technology publishes cutting edge applied research and development work focused on commercialization of engineered ceramics, products and processes. The publication also explores the barriers to commercialization, design and testing, environmental health issues, international standardization activities, databases, and cost models. Designed to get high quality information to end-users quickly, the peer process is led by an editorial board of experts from industry, government, and universities. Each issue focuses on a high-interest, high-impact topic plus includes a range of papers detailing applications of ceramics. Papers on all aspects of applied ceramics are welcome including those in the following areas: Nanotechnology applications; Ceramic Armor; Ceramic and Technology for Energy Applications (e.g., Fuel Cells, Batteries, Solar, Thermoelectric, and HT Superconductors); Ceramic Matrix Composites; Functional Materials; Thermal and Environmental Barrier Coatings; Bioceramic Applications; Green Manufacturing; Ceramic Processing; Glass Technology; Fiber optics; Ceramics in Environmental Applications; Ceramics in Electronic, Photonic and Magnetic Applications;