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3.0V-class film-type lithium primary battery with highly improved energy density
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- Authors
- Young-Gi Lee, Jongdae Kim, Sanghyo Kim, Kwang Man Kim
- Issue Date
- 2010-06
- Citation
- Journal of Power Sources, v.195, no.11, pp.3715-3719
- ISSN
- 0378-7753
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- Lithium metal is used as an anode material in a 3.0 V-class film-type MnO2||Li primary battery to increase the operating voltage and discharge capacity for application to active sensor tags of a radio-frequency identification system. A 20-μm thick lithium layer deposited homogeneously on a copper foil is prepared for the purpose of controlling the efficient utilization and lithium handling. A plasticized gel polymer electrolyte filled with SiO2 particles is also used to enhance the electrochemical stability and safety of the battery. A lithium primary battery with a lithium anode and a nonaqueous electrolyte is fabricated for the first time in the form of a film with a newly designed Nylon 6/Al/polypropylene pouch for perfect shielding. The fabricated 3.0 V-class film-type lithium primary battery passes several safety tests and achieves a discharge capacity and an energy density of more than 9 mAh cm-2 and 470 Wh L-1, respectively. Crown Copyright © 2009.
- KSP Keywords
- Active sensor, Copper foil, Efficient Utilization, Energy density, Gel polymer electrolyte, Identification system, Lithium anode, Lithium primary battery, Non-aqueous electrolyte, Passive radio frequency identification(RFID), Radio Frequency(RF)