Effects of nanopores and sulfur doping on hierarchically bunched carbon fibers to protect lithium metal anode,Carbon Energy

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Effects of nanopores and sulfur doping on hierarchically bunched carbon fibers to protect lithium metal anode
Carbon Energy ( IF 19.5 ) Pub Date : 2021-7-16 , DOI: 10.1002/cey2.128
Ji In Jung ₁ , Sunwoo Park ₁ , Son Ha ₂ , Se Youn Cho ₃ , Hyoung‐Joon Jin _{1,

4} , Young Soo Yun _{2,

5}

Affiliation

The effects of nanopores and sulfur doping on a functionalized carbon-based nanoporous host (CNH) electrode were investigated. Sulfur doping of the CNH electrode decreased the lithium metal nucleation overpotential, increased the average Coulombic efficiency in a wide range of current densities, and afforded more stable cycling performance. In addition, in the homogeneously distributed nanopores in the sulfur-doped CNH fibers, lithium metal nanoparticles were uniformly grown and reversibly removed by a stripping process, resulting in protective lithium metal storage.

中文翻译：

纳米孔和硫掺杂对分级聚束碳纤维保护锂金属负极的影响

研究了纳米孔和硫掺杂对功能化碳基纳米多孔主体 (CNH) 电极的影响。CNH电极的硫掺杂降低了锂金属成核过电位，提高了宽电流密度范围内的平均库仑效率，并提供了更稳定的循环性能。此外，在硫掺杂的 CNH 纤维中均匀分布的纳米孔中，锂金属纳米颗粒均匀生长并通过剥离过程可逆地去除，从而产生保护性的锂金属存储。

更新日期：2021-09-09

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