A molten salt strategy for deriving a porous Si@C nano-composite from Si-rich biomass for high-performance Li-ion batteries

Lin Ning; Xu Tianjun; Han Ying; Shen Kangze; Zhu Yongchun; Qian Yitai

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A molten salt strategy for deriving a porous Si@C nano-composite from Si-rich biomass for high-performance Li-ion batteries

机译：一种熔融盐策略，用于衍生多孔Si-C纳米复合材料，用于高性能锂离子电池的富含Si的生物质

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The preparation of a porous Si@C nano-composite from Si-rich biomass such as bamboo leaves is realized through baking the precursor at 400 degrees C in air, followed by reduction inmolten AlCl3 at 200 degrees C. During this process, both Si and C components in those natural precursors are recovered as active materials. The obtained crystallized Si nanoparticles are embedded well in the pyrolyzed porous carbon matrix. As an anode for Li-ion batteries, the Si@C nano-composite exhibits long-term cycling stability with a capacity of 600 mA h g(-1) at 2.0 A g(-1) after 3700 cycles.

机译：通过在空气中400摄氏度的400℃下烘烤前体，实现来自Si的生物质的多孔Si-C纳米复合物的制备，然后通过在200摄氏度下减少Inolten AlCl3。在此过程中，Si和这些天然前体中的C组分作为活性材料回收。将得到的结晶的Si纳米颗粒在热解的多孔碳基质中嵌入很好。作为锂离子电池的阳极，Si @ C纳米复合材料在3700次循环后，在2.0Ag（-1）下，容量为600mA H（-1）的长期循环稳定性。

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《RSC Advances》 |2016年第83期|共4页
作者
Lin Ning; Xu Tianjun; Han Ying; Shen Kangze; Zhu Yongchun; Qian Yitai;
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作者单位

Univ Sci &

Technol China Dept Chem Hefei Natl Lab Phys Sci Microscale Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China Dept Chem Hefei Natl Lab Phys Sci Microscale Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China Dept Chem Hefei Natl Lab Phys Sci Microscale Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China Dept Chem Hefei Natl Lab Phys Sci Microscale Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China Dept Chem Hefei Natl Lab Phys Sci Microscale Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China Dept Chem Hefei Natl Lab Phys Sci Microscale Hefei 230026 Anhui Peoples R China;

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正文语种 eng
中图分类化学;
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1. A molten salt strategy for deriving a porous Si@C nano-composite from Si-rich biomass for high-performance Li-ion batteries [J] . Lin Ning, Xu Tianjun, Han Ying, RSC Advances . 2016,第83期

机译：一种熔融盐策略，用于衍生多孔Si-C纳米复合材料，用于高性能锂离子电池的富含Si的生物质
2. LiNi0.29Co0.33Mn0.38O2 polyhedrons with reduced cation mixing as a high-performance cathode material for Li-ion batteries synthesized via a combined co-precipitation and molten salt heating technique [J] . Jiang Xuyin, Chu Shiyong, Chen Yubo, Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2017,第Null期

机译：减少阳离子混合的LiNi0.29Co0.33Mn0.38O2多面体，是通过共沉淀和熔融盐加热技术合成的锂离子电池的高性能正极材料
3. High-performance LiCoO_2 by molten salt (LiNO_3:LiCl) synthesis for Li-ion batteries [J] . K.S. Tan, M.V. Reddy, G.V.S. Rao Journal of power sources . 2005,第1a2期

机译：熔融盐（LiNO_3：LiCl）合成锂离子电池的高性能LiCoO_2
4. Molten Salt Synthesis of Transition Metal Oxides Doped Li_4Ti_5O_(12) as Anode Material of Li-ion Battery [C] . Qingjun Guo, Qiang Wang, Gang Chen, Future and present advanced lithium batteries and beyond - a symposium in the honor of prof. Bruno Scrosati . 2016

机译：锂离子电池负极材料Li_4Ti_5O_（12）掺杂过渡金属氧化物的熔融盐合成
5. A Study of High-Performance Solid-State Electrolytes for Li-Ion Battery [D] . Alsharif, Nour. 2021

机译：锂离子电池高性能固态电解质的研究
6. Biomass Derived Nitrogen-Doped Highly Porous Carbon Material with a Hierarchical Porous Structure for High-Performance Lithium/Sulfur Batteries [O] . Yan Zhao, Xiaomin Zhang, Yusen He, 2017

机译：高性能锂/硫电池生物质衍生的氮掺杂高多孔碳材料具有多层多孔结构。
7. Biomass Derived Nitrogen-Doped Highly Porous Carbon Material with a Hierarchical Porous Structure for High-Performance Lithium/Sulfur Batteries [O] . Yan Zhao, Xiaomin Zhang, Yusen He, 2017

机译：用于高性能锂/硫电池的具有分级多孔结构的生物质衍生氮掺杂高孔多孔碳材料
8. Physical Chemistry of Molten-Salt Batteries. Final Report, October 1, 1981-September 30, 1982. LiCl Precipitation from LiCl-KCl Anolyte in Porous Li-Al Electrodes. [R] . Vallet, C. E., Heatherly, D. E., Heatherly, L., 1983

机译：熔盐电池的物理化学。最终报告，1981年10月1日 - 1982年9月30日.LiCl-KCl阳极液在多孔Li-al电极中的LiCl沉淀。

A molten salt strategy for deriving a porous Si@C nano-composite from Si-rich biomass for high-performance Li-ion batteries

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