电力行业节能22节能ENERGYCONSERVATIONNO.082023聚合物电解质膜燃料电池雾化水热管理系统的性能研究陈承戴1王长宏1*苏舜辉2(1.广东工业大学材料与能源学院,广东广州510006;2.广州西奥多科技有限公司,广东广州510555)摘要:聚合物电解质膜燃料电池是绿色环保的能源利用技术,电池内部的水热平衡对电池性能至关重要。通过雾化冷却实验、非持续雾化实验、雾化激活电池实验,探究雾化对聚合物电解质膜燃料电池性能和寿命的影响。结果表明:与不使用雾化相比,100mL/h的雾化量可以将电池内部平均温度降低10℃;非持性雾化后,在全工作电压范围内的电池性能得到明显提升。与未使用雾化相比,在6.0V条件下雾化20min的电池的电流输出增加20%。雾化技术还可以重新激活搁置的电池;雾化协同送风使电池性能几乎重新恢复到出厂前的状态,同时促进了电池高电流输出时的稳定性。电池极限输出功率比出厂前高出约24.9%。关键词:聚合物电解质膜燃料电池;雾化;新能源;极化特性;水热管理中图分类号:TM911.4文献标识码:A文章编号:1004-7948(2023)08-0022-04doi:10.3969/j.issn.1004-7948.2023.08.006ResearchonperformanceofatomizationhydrothermalmanagementsystemforpolymerelectrolytemembranefuelcellCHENCheng-daiWANGChang-hongSUShun-huiAbstract:Polymerelectrolytemembranefuelcell(PEFC)isagreenenergyutilizationtechnology,andtheinternalwater-heatbalanceisveryimportantforPEFCperformance.Throughatomizationcoolingexperiment,non-continuousatomizationexperimentandatomizationactivationbatteryexperiment,theeffectofatomizationontheperformanceandlifetimeofpolymerelectrolytemembranefuelcellwasexplored.Theresultsshowthatcomparedwithnoatomization,theaveragetemperatureofPEFCcanbereducedby10℃under100mL/hatomization.Afternon-persistentatomization,thePEFCperformancecanbeobviouslyimprovedinthewholeworkingvoltagerange.PEFCperformanceat6.0Vfor20minofatomizationis20%higherthanthecurrentvoltagewithoutatomization.Atomizationtechnologycanalsobeusedtore-activatethePEFC.Theatomizationcombinedwithairsupplymakesthecellalmostrecovertothepre-factoryperformance,whilealsopromotingthestabilityathighcurrentoutput.ThePEFC'sultimateoutputpowerisabout24.9%higherthanbeforeitismanufactured.Ke...