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Electrochemical and thermal characterization of AlF3-coated Li[Ni0.8Co0.15Al0.05]O-2 cathode in lithium-ion cells
- Authors
- Kim, Hyung-bae; Park, Byoung-Chul; Myung, Seung-Taek; Amine, Khalil; Prakash, Jai; Sun, Yang Kook
- Issue Date
- Apr-2008
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Li[Ni0.8Co0.15Al0.05]O-2; aluminum fluoride; coating; cathode; lithium battery; capacity retention
- Citation
- JOURNAL OF POWER SOURCES, v.179, no.1, pp.347 - 350
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF POWER SOURCES
- Volume
- 179
- Number
- 1
- Start Page
- 347
- End Page
- 350
- ISSN
- 0378-7753
- Abstract
- Li[Ni0.8Co0.15Al0.05]O-2 particles are modified with A1F(3) as a new coating material. Even though the initial discharge capacity of the coated Li[Ni0.8Co0.15Al0.05]O-2 is almost the same as that of the pristine material, the capacity retention and the thermal stability, in a highly oxidized state are both significantly improved. This effect is attributed to the thin A1F(3) coating layer protecting the oxidized cathode particles from attack by hydrogen fluoride in the electrolyte.
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Related Researcher
- Sun, Yang Kook
- COLLEGE OF ENGINEERING (DEPARTMENT OF ENERGY ENGINEERING)