期刊
ENERGY & ENVIRONMENTAL SCIENCE
卷 8, 期 7, 页码 1905-1922出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ee01215e
关键词
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资金
- Danish Council for Strategic Research Programme Commission on Sustainable Energy and Environment under the Danish Innovation Foundation [11-116792/0603-00462B]
- U.S. Department of Energy's Office of Basic Energy Science (DOE-BES), Division of Materials Sciences and Engineering
- UT-Battelle, LLC
- UU/KTH StandUp for Energy
- Chalmers Areas of Advance: Materials Science, Energy and Transport
- Swedish Foundation for Strategic Research (SSF)
- Battery Fond
Presently lithium hexafluorophosphate (LiPF6) is the dominant Li-salt used in commercial rechargeable lithium-ion batteries (LIBs) based on a graphite anode and a 3-4 V cathode material. While LiPF6 is not the ideal Li-salt for every important electrolyte property, it has a uniquely suitable combination of properties (temperature range, passivation, conductivity, etc.) rendering it the overall best Li-salt for LIBs. However, this may not necessarily be true for other types of Li-based batteries. Indeed, next generation batteries, for example lithium-metal (Li-metal), lithium-oxygen (Li-O-2), and lithium-sulfur (Li-S), require a re-evaluation of Li-salts due to the different electrochemical and chemical reactions and conditions within such cells. This review explores the critical role Li-salts play in ensuring in these batteries viability.
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