Wide Operating Temperature Range Electrolytes for High Voltage and High Specific Energy Li-Ion Cells
Open accessAbstract
A number of electrolyte formulations that have been designed to operate over a wide temperature range have been investigated in conjunction with layered-layered metal oxide cathode materials developed at Argonne. In this study, we have evaluated a number of electrolytes in Li-ion cells consisting of Conoco Phillips A12 graphite anodes and Toda HE5050 Li 1.2 Ni 0.15 Co 0.10 Mn 0.55 O 2 cathodes. The electrolytes studied consisted of LiPF 6 in carbonate-based electrolytes that contain ester co-solvents with various solid electrolyte interphase (SEI) promoting additives, many of which have been demonstrated to perform well in 4V systems. More specifically, we have investigated the performance of a number of methyl butyrate (MB) containing electrolytes (i.e., LiPF 6 in ethylene carbonate (EC) + ethyl methyl carbonate (EMC) + MB (20:20:60 v/v %) that contain various additives, including vinylene carbonate, lithium oxalate, and lithium bis(oxalato)borate (LiBOB). When these systems were evaluated at various rates at low temperatures, the methyl butyrate-based electrolytes resulted in improved rate capability compared to cells with all carbonate-based formulations. It was also ascertained that the slow cathode kinetics govern the generally poor rate capability at low temperature in contrast to traditionally used LiNi 0.80 Co 0.15 Al 0.05 O 2-based systems, rather than being influenced strongly by the electrolyte type.
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Boron-based salts such as LiBOB, LiDFOB and similar derivatives were used as electrolyte additives due to their good SEI film-forming properties.
“Some boron-based salts described in Sect.3, such as LiBOB, LiDFOB and similar derivatives, were also used as electrolyte additives due to their good SEI film-forming properties [136, 137].”
From Review on Low-Temperature Electrolytes for Lithium-Ion and Lithium Metal Batteries (2023) · cites this paper as [136]
The Introduction describes LiBOB as an electrolyte additive among formulations containing SEI-promoting additives. It does not identify LiDFOB or similar boron-based derivatives as additives. The Results and Discussion attribute the LiBOB formulation’s improved performance to a possible cathode electrolyte interface (CEI) effect, rather than demonstrating SEI film formation. (LLM, conf=0.88)
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Research works printed but not linked: 9
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“3, such as LiBOB, LiDFOB and similar derivatives, were also used as electrolyte additives due to their good SEI film-forming properties [136, 137].”
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- Authors
- Smart, M. C., Hwang, C., Krause, F. C., Soler, J., West, W. C., Ratnakumar, B. V., & Amine, K.
- Affiliations
- California Institute of Technology (US)
- Argonne National Laboratory (US)
- Venue
- ECS Transactions
- Publisher
- The Electrochemical Society
- Published
- 2013-04-01
- Volume
- 50
- Issue
- 26
- Pages
- 355-364
- ISSN
- 1938-5862 (ISSN-L)
- 1938-6737
- OpenAlex
- W2003667386
- Cited by
- 9
- References
- 0
- Citations by year
- 2024: 2 · 2023: 1 · 2021: 1 · 2020: 2 · 2017: 3
- FWCI
- 0.00
- Type
- conference paper
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- ECS Transactions (publishedVersion)
- Funders
- U.S. Department of Energy (-AC02-05CH11231, 05CH11231, DE AC02 05CH11231, DE-AC02-)
- National Aeronautics and Space Administration (DE-AC02-05CH11231)
- California Institute of Technology
- Jet Propulsion Laboratory
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Battery Materials
- Physical Sciences › Engineering › Automotive Engineering › Advanced Battery Technologies Research
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Battery Materials and Technologies
- Keywords
- lithium-ion batteries, LiPF6 electrolyte, vinylene carbonate, lithium oxalate, LiBOB, graphite anode, rate capability, low-temperature performance, cathode kinetics, high specific energy
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