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UltracapacitorslMicroelectronicslHigh-VoltageCapacitors特卡特培训By:麦克斯维尔技术-圣地亚哥UltracapacitorslMicroelectronicslHigh-VoltageCapacitorsAboutMaxwell电容器制造始于1965生产设施:欧美及亚洲麦克斯维尔是创新、高能效储存及能源输送解决方案的领先开发者及生产者认证:ISO9001:2000ISO/TS16949ISO9002UltracapacitorslMicroelectronicslHigh-VoltageCapacitorsTableofContent1.什么时候我可以用超级电容?2.什么事超级电容?3.超级电容市场4.超级电容应用5.规范你的系统SizingyourSystem6.SizingExamples7.超级电容系统设计指引8.摘要UltracapacitorslMicroelectronicslHigh-VoltageCapacitors什么时候我可以用超级电容?•需要高度可靠后备电力的应用。•1-60秒短时桥接电力,用于转换到第二个电源或顺序关闭•很好地补偿瞬时严重电压凹陷的优质电力•针对大瞬时高峰或电能浪涌的电力缓冲器UltracapacitorslMicroelectronicslHigh-VoltageCapacitors电力vs能量电力和能源有什么不同?UltracapacitorslMicroelectronicslHigh-VoltageCapacitors应用模型UltracapacitorslMicroelectronicslHigh-VoltageCapacitorsPeakPowerShaving•超级电容提供尖峰电力...可获得电力需要的电力超级电容尖峰电力削减尖峰电力UltracapacitorslMicroelectronicslHigh-VoltageCapacitorsBack-UpPowerSupport•超级电容提供尖峰电力…...还有后备电力.需要的电力可获得的电力超级电容后备电力后备电力UltracapacitorslMicroelectronicslHigh-VoltageCapacitors什么是超级电容?UltracapacitorslMicroelectronicslHigh-VoltageCapacitors超级电容的性能特性•超级电容的表现在传统电容器和电化学单元之间.•快充快放能力•高可逆过程,10万个周期•能力比单元低仅有单元能力的~10%•能量比电解电容更高•出色的低温表现UltracapacitorslMicroelectronicslHigh-VoltageCapacitors什么是超级电容?C=erA/dd最小化A最大化E=1/2CV2电解质金属箔电解质ECDL分离器超级电容是:100年的老技术,因现代材料而加强基于电解质的极化、高表面积电极及极小的充电点和分离也就是电化学双层电容电极电解质ECDL分离器UltracapacitorslMicroelectronicslHigh-VoltageCapacitors特性铅酸单元超级电容器传统电容器充电时间1-5h0.3-30s10-3-10-6S放电时间0.3-3h0.3-30s10-3-10-6S能量wh/kg10-1001-100.1充电寿命1000500,000500,000额定功率w/kg1,00010,000100,000充放电效率0.70-0.850.85-0.980.95技术比较UltracapacitorslMicroelectronicslHigh-VoltageCapacitors技术比较(page2)0,010,1110100100010100100010000动力或电力密度/[W/kg]能量密度/[Wh/kg]双层电容器10h1h0,1h36sec3,6sec0,36sec36msec铅酸单元Ni/CdLi-单元Al-ElcoU/C燃料单元UltracapacitorslMicroelectronicslHigh-VoltageCapacitors01234EfficiencySelfDischargeAvailabilityCycleStabilityEnergyDensityPowerDensityEnergyCostPowerCostSystemCostSafetyRecyclingEnvironmentTemperatureRangeChargeAcceptanceUltracapsPb-AGMNiMHLiIon超级电容vs单元技术UltracapacitorslMicroelectronicslHigh-VoltageCapacitors超级电容市场UltracapacitorslMicroelectronicslHigh-VoltageCapacitors超级电容市场超级电容全球市场消费品数码相机PDA玩具记忆备份应急电源UPS风力发电工业固定式燃料单元自动化/机器人运输电动巴士/卡车发动机启动轻量电动车当地电力铁路UltracapacitorslMicroelectronicslHigh-VoltageCapacitors已有产品AvailableProducts•含水电解质:ESMA,Elit,Evan,SkeletonTechnologiesandTavrima•优势:•高电解导电率•不需紧密密封以隔离•低环境影响•弱势:•低分解电压(1.23V)•窄的工作区间(水的冰点)•有机电解质:MaxwellTechnologies,Panasonic,EPCOS,NessCapacitors,ASAHIGLASS•优势:•高分解电压•宽的工作电压•弱势:•低电解导电率•需要紧密密封,隔离湿气UltracapacitorslMicroelectronicslHigh-VoltageCapacitors超级电容应用UltracapacitorslMicroelectronicslHigh-VoltageCapacitors应用汽车14/42V系统HEV电力子系统牵引Traction回复制动电压稳定柴油机启动工业电力质量PitchsystemsActuators消费电子AMRPDAs数码相机对讲机扫描器玩具小单元大单元UltracapacitorslMicroelectronicslHigh-VoltageCapacitors电力机车包制动能源收集柴油机启动今日市场风电厂风浆系统突发电力Burstpower小单元应用Digitalcameras,AMR,Actuators,Memoryboards牵引工业消费者UltracapacitorslMicroelectronicslHigh-VoltageCapacitorsUltracapacitorslMicroelectronicslHigh-VoltageCapacitors储能系统:基站或在车上时间t11号车刹车储能系统储存刹车能量时间t22号车加速储能系统放出能量SITRAS®SES-解决方案优势:通过减少一次能源消耗降低成本应用:交替送出储存的刹车能量,用于车辆再加速解决方案:可以提供基站式或车上储存系统UltracapacitorslMicroelectronicslHigh-VoltageCapacitorsSITRAS®SES-益处SavedenergyReductionofthepowerneedby50kWEnergysavingof340.000kWhperyearandperinstallationthermallimit68kWh/h04.08.0107.08.0110.08.0113.08.0150403020100kWh/hSavedenergyReductionofthepowerneedby50kWEnergysavingof340.000kWhperyearandperinstallationthermallimit68kWh/h04.08.0107.08.0110.08.0113.08.0150403020100kWh/h04.08.0107.08.0110.08.0113.08.0150403020100kWh/hUltracapacitorslMicroelectronicslHigh-VoltageCapacitors庞巴迪运输系统的MITRACMITRACenergysaverUltracapacitorslMicroelectronicslHigh-VoltageCapacitors柴油发动机的启动byStadler柴油引擎车辆用的超级电容模块电压平衡的结实构造容易放大以适应额外的启动电力容易与现有机壳集成容易使用,免维护UltracapacitorslMicroelectronicslHigh-VoltageCapacitors风力发电机变桨系统现代风力涡轮机由三叶可变速涡轮构成独立的机电推动装置控制和调节旋翼桨叶最新技术usesthewindnotonlytoproducewindenergybutalsoforitsownsafetyUltracapacitorslMicroelectronicslHigh-VoltageCapacitors变桨系统储能装置每个变桨系统配有一个超级电容紧急供电装置超级电容因如下原因代表着一个理想的应急供能系统:•提高了安全水平•高可靠性•效率•可扩展性75V,81F超级电容模块4模块串联驱动300V3-5MW风电场的变桨距系统开关盒包含2600F的超级电容UltracapacitorslMicroelectronicslHigh-VoltageCapacitors能量单元驱动的叉车•装有能量单元的叉车•单元系统级超级电容模块•BOOSTCAPmodule:48BCAP0010112V,55F40kW尖峰电力UltracapacitorslMicroelectronicslHigh-VoltageCapacitorsSizingYourSystemUltracapacitorslMicroelectronicslHigh-VoltageCapacitors数据表UltracapacitorslMicroelectronicslHigh-VoltageCapacitors数据表UltracapacitorslMicroelectronicslHigh-VoltageCapacitors如何检测超级电容•检测超级电容你需要:•双向电源(supply/load)OR•separatepowersupplyandprogrammableload(constantcurrentcapable)•voltagevs.timemeasurementandrecordingdevice(digitalscopeorotherdataacquisition)•电容和电阻CapacitanceandResistance:电容Capacitance=(Id*td)/(Vw-Vf)=(Id*td)/VdESR=(Vf-Vmin)/IdVw=initialworkingvoltageVmin=minimumvoltageunderloadId=dischargecurrentVf=voltage5secondsafterremovalofload.td=timetodischargefrominitialvoltagetominimumvoltageUltracapacitorslMicroelectronicslHigh-VoltageCapacitors基本公式电容的定义:C=Q/V(1)Charge=current*time:Q=I*tC=I*t/V(1a)Solvingforvoltage:V
本文标题:Maxwell超级电容
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