期刊
ADVANCED ENERGY MATERIALS
卷 10, 期 43, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.202002297
关键词
dendrites; interfaces; lithium metal batteries; potassium metal batteries; sodium metal batteries
类别
资金
- National Natural Science Foundation of China [51702223]
- National Science Foundation, Civil, Mechanical and Manufacturing Innovation (CMMI) [1911905]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1911905] Funding Source: National Science Foundation
Anodes for lithium metal batteries, sodium metal batteries, and potassium metal batteries are susceptible to failure due to dendrite growth. This review details the structure-chemistry-performance relations in membranes that stabilize the anodes' solid electrolyte interphase (SEI), allowing for stable electrochemical plating/stripping. Case studies involving Li, Na, and K are presented to illustrate key concepts. Classical versus modern understandings of the SEI are described, with an emphasis on the new structural insights obtained through novel analytical techniques, including in situ liquid-secondary ion mass spectroscopy, titration gas chromatography, and tip-enhanced Raman spectroscopy. This Review highlights diverse approaches for increasing SEI stability, either by inserting a secondary layer between the native SEI and the separator, or by combining the membrane with a native SEI to form a hybrid composite. Exciting and nonintuitive findings are discussed, such as that the metal anode roughness profoundly affects the SEI structure and stability, or that organic artificial SEI-layers may be more effective than the native inorganic-organic SEIs. Emerging multifunctional architectures are presented, which serve a dual role as metal hosts and metal surface protection layers. Throughout the Review, fruitful future research directions and the critical areas where there is incomplete understanding are discussed.
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