Recent advances in lithium ion technology
Lithium ion technology is based on the use of lithium intercalating electrodes. Carbon is the most commonly used anode material, while the cathode materials of choice have been layered lithium metal chalcogenides (LiMX{sub 2}) and lithium spinel-type compounds. Electrolytes may be either organic liquids or polymers. Although the first practical use of graphite intercalation compounds as battery anodes was reported in 1981 for molten salt cells (1) and in 1983 for ambient temperature systems (2) it was not until Sony Energytech announced a new lithium ion rechargeable cell containing a lithium ion intercalating carbon anode in 1990, that interest peaked. The reason for this heightened interest is that these cells have the high energy density, high voltage and fight weight of metallic lithium systems plus a very long cycle life, but without the disadvantages of dendrite formation on charge and the safety considerations associated with metallic lithium.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 10108548
- Report Number(s):
- SAND--94-2763C; CONF-950259--1; ON: DE95004769
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
250903
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400400
ANODES
CARBON
CHALCOGENIDES
CLATHRATES
COBALT OXIDES
DENDRITES
DOPED MATERIALS
ELECTRICAL PROPERTIES
ELECTROCHEMISTRY
ELECTRODES
ELECTROLYTES
ENERGY DENSITY
LITHIUM COMPOUNDS
MANGANESE OXIDES
MATERIALS, COMPONENTS, AND AUXILIARIES
MATRIX MATERIALS
METAL-METAL OXIDE BATTERIES
REACTION KINETICS
SPINELS
TITANIUM SULFIDES