동향

Fuel cell propulsion in small fixed-wing unmanned aerial vehicles: Current status and research needs

행사&학회소개
Introduction

Principles of fuel cells and basic performance

- Polymer electrolyte membrane fuel cells

- Direct methanol fuel cells

- Solid oxide fuel cells

- Commercial small fuel cell systems for UAVs

Notional fuel cell unmanned aerial vehicles

- US naval research laboratory

- Georgia Institute of Technology and Colorado State University

- California State University and Oklahoma State University: Pterosaur

- University of Michigan: Endurance

- KARI: EAV1 & EAV2

- KAIST

Recent fuel cell research activities

Recent research activities in fuel storage and generation

- Compressed hydrogen gas

- Liquid hydrogen

- Chemical hydrogen storage

Recent research activities in power management and fuel cell hybridisation

Recommendations on future research efforts

- Hydrogen storage and on-site refuelling

- Impact of operating pressure

- Water management for non-humidified operation

- Operational robustness

- Hybridisation and power management strategies

Concluding remarks

보고서작성신청
본 논문에서는 연료전지 추진체를 이용한 무인 비행기의 개발 현황에 대하여 소개하였다. 2차전지와 비교했을 때, 단위 무게 당 높은 에너지를 얻을 수 있는 연료전지를 활용하면 보다 많은 비행거리를 확보할 수 있다. 하지만, 셀의 무게, 비용 등 고려할 점들이 남아있는 만큼 최적화를 위한 연구가 필요하며, 본 자료를 통해 현재 상황 및 향후 전망을 살펴볼 수 있다.