第4期(总第192期)2023年11月现代车用动力MODERNVEHICLEPOWERNo.4(serialNo.192)Nov.2023doi:10.3969/j.issn.1671-5446.2023.04.001固态电池技术发展现状综述张春英1-2,马亚辉1-2，易正根1-2，吴瑶1-2,钱星1-2,刘静1.2（1.中国一汽无锡油泵油嘴研究所，江苏无锡214063;2.一汽解放商开院动力总成前瞻技术研究部，江苏无锡214063）摘要：车辆电动化发展要求动力电池具有高能量密度、高安全和高可靠性。液态电解质动力电池能量密度提升空间不足，严重影响车辆的续航里程，存在起火、漏液的安全隐患，因此,越来越多的企业进行固态电池的技术研发。采用固态电解质的动力电池不仅彻底解决了安全性问题,同时可显著提高动力电池的能量密度，满足车辆的长续航里程要求。总结了固态电池的技术发展现状，分析了国内外固态电池技术的难点，为车企应用推广固态电池提供理论参考依据。关键词：固态电池；固态电解质；能量密度中图分类号:U463.6TheSummarizeofCurrentDevelopmentStatusofSolidStateBatteryTechnologyZHANCChunying',MAYahui2,YIZhengen',WUYao',QIANXing',LIUJing'?(1.FAWWuxiFuelInjectionEquipmentResearchInstitute,Wuxi214063,China;2.PowertrainAdvancedTechnologyResearchDepartment,FAWJiefangCommercialVehicleDevelopmentInstitute,Wuxi214063,China)Abstract:Thedevelopmentofvehicleelectrificationrequiresbatteriestohavehighenergydensity,highsafety,andhighreliabilitycharacteristics.Thereisinsufficientspaceforenergydensityimprovement,whichseriouslyaffectsthevehicle'srange.Liquidelectro-lytepowerbatterieshavesafetyhazardssuchasignitionandleakage.Therefore,moreandmorecompaniesareconductingtechnologicalresearchanddevelopmentonsolidstatebatteries.Theuseofsolidelectrolyteinbatteriesnotonlycompletelysolvessafetyissues,butalsogreatlyimprovestheenergydensityofthepowerbattery,meetingtherequirementsofthevehicle'slongrange.Itanalyzesthediffi-cultiesofsolidstatebatterytechnologyathomeandabroad,summarizesthecurrentdevelopmentstatusofsolidstatebatterytechnolo-gy,andprovidesatheoreticalreferencefortheapplicationandpromotionofsolidstatebatteriesbyvehicleenterprises.Keywords:solidstatebattery;solidelectrolyte;energydensity文献标志码：A文章编号:1671-5446(2023)04-0001-05引...
