Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 31, Issue 15, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202009694
Keywords
liquid electrolytes; lithium metal batteries; porous current collector; solid‐ state electrolytes; surface coating
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Funding
- George Mason University, College of Science Postdoctoral Fellowship [183904]
- George Mason University Quantum Science & Engineering Center
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The review summarizes four strategies for high-performance Li metal anodes, including surface coating, porous current collector, liquid electrolyte, and solid-state electrolyte, and discusses the opportunities, challenges, future directions, and outlook for practical applications of Li metal anodes.
Lithium metal is the holy grail anode for next-generation high-energy rechargeable batteries due to its high capacity and lowest redox potential among all reported anodes. However, the practical application of lithium metal batteries (LMBs) is hindered by safety concerns arising from uncontrollable Li dendrite growth and infinite volume change during the lithium plating and stripping process. The formation of stable solid electrolyte interphase (SEI) and the construction of robust 3D porous current collectors are effective approaches to overcoming the challenges of Li metal anode and promoting the practical application of LMBs. In this review, four strategies in structure and electrolyte design for high-performance Li metal anode, including surface coating, porous current collector, liquid electrolyte, and solid-state electrolyte are summarized. The challenges, opportunities, perspectives on future directions, and outlook for practical applications of Li metal anode, are also discussed.
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