期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 46, 页码 15002-15027出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201712702
关键词
additives; electrolytes; lithium metal electrodes; rechargeable batteries
资金
- GV-ELKARTEK-2016 from the Basque Government
- MINECO RETOS from the Spanish Government [ENE2015-64907-C2-1-R]
- Basque Government [1-AFW-2017-2]
- Spanish Government [FJCI-2015-23898]
- Basque Government
Lithium metal (Li-0) rechargeable batteries (LMBs), such as systems with a Li-0 anode and intercalation and/or conversion type cathode, lithium-sulfur (Li-S), and lithium-oxygen (O-2)/air (Li-O-2/air) batteries, are becoming increasingly important for electrifying the modern transportation system, with the aim of sustainable mobility. Although some rechargeable LMBs (e.g. Li-0/LiFePO4 batteries from Bollor 8 Bluecar, Li-S batteries from OXIS Energy and Sion Power) are already commercially viable in niche applications, their large-scale deployment is hampered by a number of formidable challenges, including growth of lithium dendrites, electrolyte instability towards high voltage intercalation-type cathodes, the poor electronic and ionic conductivities of sulfur (S-8) and O-2, as well as their corresponding reduction products (e.g. Li2S and Li2O), dissolution, and shuttling of polysulfide (PS) intermediates. This leads to a short lifecycle, low coulombic/energy efficiency, poor safety, and a high self-discharge rate. The use of electrolyte additives is considered one of the most economical and effective approaches for circumventing these problems. This Review gives an overview of the various functional additives that are being applied and aims to stimulate new avenues for the practical realization of these appealing devices.
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