DataVXACS Energy LettersPaper
journal article·2020-05-08

Self-Healing Janus Interfaces for High-Performance LAGP-Based Lithium Metal Batteries

Qi Liu, Dong Zhou, Devaraj Shanmukaraj, Peng Li, Feiyu Kang, Baohua Li, Michel Armand, Guoxiu Wang

ACS Energy Letters· Volume 5· Issue 5
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Source abstract

Abstract

The application of NASICON-type Li1.5Al0.5Ge1.5P3O12 (LAGP) solid electrolyte in lithium (Li) metal batteries has been retarded by its instability toward metallic Li and the poor interfacial compatibility with cathodes. Here we report a durable LAGP-based Li metal battery by employing self-healing polymer electrolytes (SHEs) as Janus interfaces. The SHEs were constructed on both sides of LAGP pellets by in situ polymerizing a functional monomer and a cross-linker in ionic liquid-based (anodic side in contact with Li metal) or adiponitrile (AN)-based (cathodic side) electrolytes. The as-developed SHEs show flame-retardant, high ionic conductivity (>10–3 S cm–1 at 25 °C), excellent interfacial compatibility with electrodes, and effective inhibition of Li dendrite formation. The LAGP-based Li metal||LiMn2O4 batteries with the SHE interfaces deliver a high reversible capacity with a long cycle.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storagePolymers

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Conducting polymers and applications

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

Affiliations

Shenzhen Key Laboratory on Power Battery Research and Shenzhen Geim Graphene Center, School of Shenzhen International Graduate, Tsinghua University, Guangdong 518055, China

School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

Centre for Clean Energy Technology, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia

CIC ENERGIGUNE, Parque Tecnológico de Álava, Miñano 01510, Spain

College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210006, China

Funding

Australian Research Council · Australian Renewable Energy Agency · National Natural Science Foundation of China · Guangdong Technical Plan Project · Australian Rail Manufacturing CRC projects · Special Fund Project for Strategic Emerging Industry Development of Shenzhen · Shenzhen Technical Plan Project · Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program · Shenzhen Key Laboratory

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