Enhanced Critical Current Density in the Garnet Oxide Electrolyte by a Silver Interlayer
Source abstract
Abstract
Ta-doped Li 6.4 La 3 Zr 1.4 Ta 0.6 O 12 (LLZTO) for solid-state lithium batteries demonstrates encouraging performance; however, they encounter issues with lithium dendrite formation that impede their widespread use. Herein, we design a LLZTO ceramic with an interlayer containing a mixed dense layer of Ag and LLZTO, prepared by one-step sintering. The Ag-rich interlayer in LLZTO can hinder the growth and the penetration of lithium dendrites though the reaction between Ag and lithium metal. Compared with the Ag-free counterpart, a higher critical current density of 0.6 mA cm –2, in addition to a longer life span under a current density of 0.2 mA cm –2, is achieved by adopting the interlayer in LLZTO. This research offers novel insights into the engineering of garnet-based solid electrolytes, tailored for the advancement of high-rate lithium metal batteries.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Perovskite Materials and Applications · Solid-state spectroscopy and crystallography · Advanced Battery Materials and Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
Shanghai Key Laboratory of High-resolution Electron Microscopy, ShanghaiTech University, Shanghai 201210, China
State Key Laboratory of Molecular Engineering of Polymers, Department of Materials Science, Fudan University, Shanghai 200438, China
Key Laboratory of Advanced Energy Materials Chemistry, Ministry of Education (Nankai University), Tianjin 300071, China
Funding
National Key Research and Development Program of China · National Natural Science Foundation of China · Shanghai Rising-Star Program
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