Bateria flexivel

Letter pubs.acs.org/NanoLett

Bendable Inorganic Thin-Film Battery for Fully Flexible Electronic Systems
Min Koo,† Kwi-Il Park,† Seung Hyun Lee,† Minwon Suh,† Duk Young Jeon,† Jang Wook Choi,‡ Kisuk Kang,§ and Keon Jae Lee*,†
†

Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea ‡ Graduate School of EEWS (WCU), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea § Department of Materials Science and Engineering, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul 151-742, Republic of Korea
S * Supporting Information

ABSTRACT: High-performance flexible power sources have gained attention, as they enable the realization of next-generation bendable, implantable, and wearable electronic systems. Although the rechargeable lithium-ion battery (LIB) has been regarded as a strong candidate for a high-performance flexible energy source, compliant electrodes for bendable LIBs are restricted to only a few materials, and their performance has not been sufficient for them to be applied to flexible consumer electronics including rollable displays. In this paper, we present a flexible thin-film LIB developed using the universal transfer approach, which enables the realization of diverse flexible LIBs regardless of electrode chemistry. Moreover, it can form high-temperature (HT) annealed electrodes on polymer substrates for high-performance LIBs. The bendable LIB is then integrated with a flexible light-emitting diode (LED), which makes an all-in-one flexible electronic system. The outstanding battery performance is explored and well supported by finite element analysis (FEA) simulation. KEYWORDS: Bendable thin-film battery, all-solid-state, rechargeable LIB, flexible electronic system he advent of a fully flexible electronic system will be a great leap in technology, as it will open the door to