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분야
ppt2.Recent R&D Trend
3.Technical barriers & Solution
4.Positive future Prospect
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 with capacity
Ex) LiCoO2
Collector
Connection with exterior load
Commonly using Metal
Ex)Al, Cu.
Substrate
Power of Si device → Si
Ex) Si, Glass, Polymer
cf) Polymer substrate → Flexible
Recent R&D Trend
New component materials
Anode : Stability, Reversibility, Low expansion rate
High Melting Temp. of Li(180.6℃) are
needed
Electrolyte : Patent on LiPON
→Need Alternative Materials
Cathode : Direct connect with capacity
→New Materials & Structures
Packaging & Coating
Direct connect with battery’s stability
Protection interior component from exterior
Needs consideration of economical problem
New Cell structures
Limit of Capacity
Research for sufficient capacity
T. J Boyle 외5명, “All-Ceramic Thin Film Battery”, 《 Sandia Report》, 2002
박호영 외3명, “전고상 박막전지 기술 현황과 전망”, 《전자공학회지》제34권 제12호, 2007
이성만, “음극 및 전해질에 대한 새로운 물질 설계 및 최적화공정 개발을 통한 박막 마이크로 전지 제조”, 《NEWS & INFORMATION FOR CHEMICAL ENGINEERS》 Vol. 22, No. 4, 2004
임동춘, “박막 소형전지 제조기술이 개발되어 박형 전자제품에 활용된다”, 기술뉴스브리프(KISTI)
윤영수 외1명, “마이크로 배터리의 개발현황 및 전망”, 《물리학과 첨단기술》제8권4호,1999
조재필 외 7명, “Silicon Nanotube Battery Anodes”,《Nano Letters》, 2009. 9
최지원 외2명, “나노구조 리튬이차전지 및 음극 재료의 연구동향”, 《전자공학회지》 제20권 제12호”,2007
네이버백과사전
리튬이온전지[Lithium-ion battery] , http://100.naver.com/100.nhn?docid=844184
위키피디아백과사전
Thin film rechargeable lithium battery, http://en.wikipedia.org/wiki/Thin_film_rechargeable_lithium_battery
