固體氧化物燃料電池(SOFC)

1、solid oxide fuel cell(固體氧化物燃料電池）Ocean College，ZheJiang University of technologyName：Yan ZhipengDate: October 22, 2015Contentssolid oxide fuel cellBackgroundThe definition（定義） of SOFCApplicationsAdvantage and disadvantageConclusionBackgroundsolid oxide fuel cellThe definition of SOFCWhat is a SOFC ?

2、A solid oxide fuel cell (SOFC) is an electrochemical conversion device that produces electricity directly from oxidizing.Fuel cells are characterized by their electrolyte material; the SOFC has a solid oxide or ceramic, electrolyte. Cross section of the three ceramic layers of an SOFC. From left to

3、right: porous cathode, dense electrolyte, porous anode.The definition of SOFCThe picture of SOFCTwo types SOFCBasic reactionsWater and heat are the productsCATHODEANODEe-e-H2OH2Fue InExcess FuelWater & heat Air inO2-e-O2-O2-O2-O2Anode Reactions: 2H2 4H+ + 4e- Hydrogen oxidation reaction;Cathode

4、Reactions: O2 + 4H+ + 4e- 2 H2O Oxygen Reduction Reaction; Overall Cell Reactions: 2H2 + O2 2 H2OThe definition of SOFCHow it Works? The Air is carried to the cathode, where oxygen is dissociated, yielding O2- anions. These migrate through the crystal structure of the electrolyte, going on to oxide

5、the hydrogen atoms carried to the anode by the fuel. This reaction yields electrons, heat and water .Applicationssolid oxide fuel cell Base load power plants Electric and hybrid vehicles Auxiliary power (廠用電力) Off-grid(離網(wǎng)） power supply Portable charging（便攜） docks for small electronics. Advantage and

6、 Encounter problemsAdvantage Elimination liquid electrolyte Fuel flexible Green energy New techniqueAdvantage and Encounter problemsEncounter problemsmanufacturing（制造） costmaterials compatibility（兼容性）gas arrangementCathode flood（專業(yè)術(shù)語：陰極洪水）Conclusionsolid oxide fuel cell The SOFC plays a important role in modern society. The SOFC is a green energy and has a high energy conversion efficiency. The SOFC promotes our society.References /fuelcells/so/sofcm