DataVXACS Applied Materials & InterfacesPaper
journal article·2022-10-05

Induction/Inhibition Effect on Lithium Dendrite Growth by a Binary Modification Layer on a Separator

Yitian Ma, Wenjie Qu, Xin Hu, Ji Qian, Yu Li, Li Li, Hai Lu, Huiling Du, Feng Wu, Renjie Chen

ACS Applied Materials & Interfaces· Volume 14· Issue 39
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Source abstract

Abstract

In lithium metal batteries (LMB), unrestricted growth of lithium dendrites will pierce the separator and cause an internal short circuit. Therefore, we designed modified separator with an InN thin layer, which could be in situ converted into a binary mixed-modified layer of Li–In alloy and Li3N during the lithium plating/stripping process. Among them, Li–In alloy induces the lateral growth of lithium dendrites and prevents the separator from being pierced; Li3N balances ion distribution at the lithium anode/separator interface, which is beneficial to inhibit the growth of lithium dendrites. Under the synergistic effect of the two phases, the performance of LMBs was obviously improved. In addition, the separator modification does not need to be carried out in a protective atmosphere and is suitable for large-scale roll-to-roll processing.
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Research context

Energy storageMetals & alloys

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Advanced Battery Technologies Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China

Shanghai Institute of Space Power-Sources, Shanghai 200245, China

Beijing Key Laboratory of Environmental Science and Engineering, School of Material Science and Engineering, Beijing Institute of Technology, Beijing 100081, China

Advanced Technology Research Institute, Beijing Institute of Technology, Jinan 250300, China

Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing Institute of Technology, Beijing 100081, China

Funding

Beijing Municipal Commission of Education · National Natural Science Foundation of China · Guangdong Key Laboratory of Battery Safety, Guangzhou Institute of Energy Testing · Shaanxi Province

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