Experimental Setup
Three electrode cell Working electrode : Composite electrode
active material + conducting material + binder
LiCoO2
carbon PVDF
Counter electrode & reference electrode : lithium foil
Electrolyte : Li salt IN non-aqueous solvent
Li salt : LiPF6, LiBF4, LiClO4…
Solvent : EC, PC, DMC, DME…
Lab. of Energy Conversion & STORAGE Materials
Fig.
전지가 사용되고 있음을 감안할 때 수요는 매우 클 것으로 보인다. 아울러 카메라 일체형 VTR, 액정 TV, 휴대용 MD, 헤드폰 스테레오, 소형 전동공구, 고급 전동완구 등 다양한 분야에서 사용이 늘어날 것으로 전망된다.
환경정책도 수요증가에 기여하여 현재 사용 중인 전지 가운데 리튬이온전지를 제
Structure of Thin film batteries
Encapsulation
Direct connect with battery’s stability
Protection the anode from exterior
Ex) Parlylene, Cr, V
Anode
Desorbs electrons as discharging
Ex) Li, SnO2, C
Electrolyte
High density of charge carrier
High density of vacancy & interstitial site
Low activation Energy of hopping
Cathode
Absorb electrons as discharging
Direct connect w
Fundamental structure is same as the general lithium polyer
battery . But some specific functional parts are to be reformed.
Functional improvement
Detailed shap have to be modified by experiment