Solid oxide fuel cell(SOFC)is a power generation device that converts directly the chemical energy stored in fuel into electricity at high temperature.It has advantages such as high energy conversion efficiency,strong adaptability to various fuels,wide sources,and environmental friendliness.This article analyzes the technical research focus,application,and technological development direction of SOFC field from the perspectives of patent application trends,patent applicants,and regional layout through analyzing the high-temperature solid fuel cell patent situation in the world in the past 30 years.At present,the high-temperature solid fuel cell technology market has entered a period of rapid development.Global research direction about SOFC mainly focuses on reducing costs and improving stability,while China's research direction mainly focuses on breaking through key technologies for fuel cell stack,localization of core components,and demonstration project construction.
维普
万方数据