Recent developments in the field of energy harvesting technology that convert ambient energy resources into electricity enable the use of self-powered energy systems in wearable and portable electronic devices without the need for additional external power sources. In particular, piezoelectric-effect-based flexible energy harvesters have drawn much attention because they can guarantee power generation from ubiquitous mechanical and vibrational movements. In response to demand for sustainable, permanent, and remote use of real-life personal electronics, many research groups have investigated flexible piezoelectric energy harvesters (f-PEHs) that employ nanoscaled piezoelectric materials such as nanowires, nanoparticles, nanofibers, and nanotubes. In those attempts, they have proven the feasibility of energy harvesting from tiny periodic mechanical deformations and energy utilization of f-PEH in commercial electronic devices. This review paper provides a brief overview of f-PEH devices based on piezoelectric nanomaterials and summarizes the development history, output performance, and applications.

Abstract
 1. 서 론
 2. 압전나노소재 기반의 플렉서블 에너지 하베스팅 소자
  2.1. 플렉서블 에너지 하베스팅 소자의 에너지 생성 원리
  2.2. ZnO 나노선 기반의 플렉서블 압전발전소자
  2.3. 압전폴리머 나노구조체를 적용한 플렉서블 압전발전소자
  2.4. 압전세라믹 나노소재를 적용한 플렉서블 압전발전소자
  2.5. 플렉서블 압전발전소자를 이용한 응용 실험
 3. 결 론
 References

• 박귀일(경남과학기술대학교 에너지공학과) | Kwi-Il Park Corresponding Author