Silver-Assisted Chemical Etching for the Fabrication of Porous Silicon N-Doped Nanohollow Carbon Spheres Composite Anodes to Enhance Electrochemical Performance.

Zimu Zhang, Yuqi Zhang, Weixuan Chen, Xiang Zhang, Le Yu, Zisheng Guan

Abstract read

In one paragraph

Article in Materials (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Zimu ZhangCollege of Materials Science and Engineering, Nanjing Tech University, 30 South PuZhu Road, Nanjing 210009, China.

Yuqi ZhangCollege of Materials Science and Engineering, Nanjing Tech University, 30 South PuZhu Road, Nanjing 210009, China.

Weixuan ChenCollege of Materials Science and Engineering, Nanjing Tech University, 30 South PuZhu Road, Nanjing 210009, China.

Xiang ZhangCollege of Materials Science and Engineering, Nanjing Tech University, 30 South PuZhu Road, Nanjing 210009, China.

Le YuCollege of Materials Science and Engineering, Nanjing Tech University, 30 South PuZhu Road, Nanjing 210009, China.

Zisheng GuanCollege of Materials Science and Engineering, Nanjing Tech University, 30 South PuZhu Road, Nanjing 210009, China.

Funding

National Natural Science Foundation of China 51902157the Priority Academic Program Development of Jiangsu Higher Education Institutions PAPD

6 · The paper itself

Abstract

Silicon (Si) shows great potential as an anode material for lithium-ion batteries. However, it experiences significant expansion in volume as it undergoes the charging and discharging cycles, presenting challenges for practical implementation. Nanostructured Si has emerged as a viable solution to address these challenges. However, it requires a complex preparation process and high costs. In order to explore the above problems, this study devised an innovative approach to create Si/C composite anodes: micron-porous silicon (p-Si) was synthesized at low cost at a lower silver ion concentration, and then porous silicon-coated carbon (p-Si@C) composites were prepared by compositing nanohollow carbon spheres with porous silicon, which had good electrochemical properties. The initial coulombic efficiency of the composite was 76.51%. After undergoing 250 cycles at a current density of 0.2 A·g

Indexed as

lithium-ion batteriesporous siliconsilicon/carbon composite anodessilver-assisted chemical etching

Identifiers

PMID38998272

DOI10.3390/ma17133189

PMCPMC11242775

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