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- Title
Efficient Interface Enabled by Nano-Hydroxyapatite@PorousCarbon for Lithium-Sulfur Batteries.
- Authors
Jia-Yu Wang; Xue-Feng Tong; Qi-Fan Peng; Yue-Peng Guan; Wei-Kun Wang; An-Bang Wang; Nai-Qiang Liu; Ya-Qin Huang
- Abstract
The dissolution and " shuttle effect" of lithium polysulfides (LiPSs) hinder the application of lithium-sulfur (Li-S) batteries. To solve those problems, inspired by natural materials, a nano-hydroxyapatite@porous carbon derived from chicken cartilage(nano-HA@CCPC) was fabricated by employing a simple pre-carbonization and carbonization method, and applied in Li-S batteries. The nano-HA@CCPC would provide a reactive interface that allows efficient LiPSs reduction. With a strong affinity for LiPSs and an excellent electronic conductive path for converting LiPSs, the shuttle effect of LiPSs was confined and the redox kinetics ofLiPSs was substantially enhanced. Li-S batteries employing nano-HA@CCPC-modified separators exhibited long cycle life and improved rate capability. At 0.5 C after 325 cycles, a specific capacity of 815 mAh•g -1 and a low capacity fading rate of 0.051% were obtained. The superior properties, sustainable raw materials, and facile preparation process make nano-HA@CCPC a promising additive material for practical Li-S batteries.
- Subjects
HYDROXYAPATITE; LITHIUM sulfur batteries; THERMAL conductivity; ENERGY storage; ELECTROLYTES
- Publication
Journal of Electrochemistry, 2022, Vol 28, Issue 11, p1
- ISSN
1006-3471
- Publication type
Article
- DOI
10.13208/j.electrochem.2219008