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학술지 A 3.0V-Class Film-Type Lithium Primary Battery with Highly Improved Energy Density
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저자
이영기, 김종대, 김상효, 김광만
발행일
201006
출처
Journal of Power Sources, v.195 no.11, pp.3715-3719
ISSN
0378-7753
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.jpowsour.2009.11.139
협약과제
09SB1200, 통합형 플랙서블 필름 전지 시스템 개발, 김광만
초록
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.
키워드
Capacity, Energy density, Film-type battery, Lithium primary battery, Packaging pouch
KSP 제안 키워드
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)