콘텐츠 본문
논문 해외 국제전문학술지(SCI급) Synergistically Stabilizing Thin Li Metal through the Formation of a Stable and Highly Conductive Solid Electrolyte Interface and Silver–Lithium Alloy
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2023-09
- 저자명 Jungmin Kim, Isheunesu Phiri, and Sun-Yul Ryou
- 학술지명 ACS APPLIED MATERIALS & INTERFACES
- 발행처명 ACS Publications
- 발행국가 해외
- 논문언어 외국어
- 전체저자수 3
- 논문 다운로드 링크(외부) https://pubs.acs.org/doi/full/10.1021/acsami.3c07731
- 연구분야 공학 > 화학공학
논문 초록 (Abstract)
In this study, a stable solid electrolyte interface (SEI) and a Ag–Li alloy were formed through a simple slurry coating of silver (Ag) nanoparticles and Li nitrate (LiNO3) on a Li metal surface (AgLN-coated Li). The Ag–Li alloy has a high Li diffusion coefficient, which allowed the inward transfer of Li atoms, thus allowing Li to be deposited below the alloy. Moreover, the highly conductive SEI enabled the fast diffusion of Li ions corresponding to the alloy. This inward transfer resulted in dendrite suppression and improved the Coulombic efficiency (CE). The AgLN-coated Li exhibited an initial capacity retention >81% and CE > 99.7 ± 0.2% over 500 cycles at a discharge capacity of 2.3 mA h cm–2.
