关于AESC锂电池性能的调查报告

1、关于aesc 锂电池性能的调查报告姓名：孙继国学号：13120023专业：掌握理论与掌握科学班级：研 13 电 气指导老师：秦岭一、公司简介 :company nameautomotive energy supply corporation aesc汽车能源供 应公司2-10-1 hironodai, zama citylocationbusiness descriptionkanagawa prefecture, japan 252-0012research, develop, manufacture, and sell high performance lithium-ion batter

2、ies for automotive applications讨论，开发，制造，以及汽车应用销售高性能 锂离子电池establishedapril 19, 2007capital2.345 billion yen capital reserve of 2.345 billion yen资产:2.345 十亿日元capital contribution rationissan motor co., ltd.: 51%日产汽车有限公司：51nec corporation: 42%nec 公司：42nec energy devices, ltd.: 7%nec 能源设备有限公司：7represent

3、ativerepresentative director and president shigeaki katonumber ofemployeesapproximately 500 as of march 31, 2021salesapproximately 43.8 billion yen fy2021约 43.8 十亿日元（2021 年度）organization二、主要产品特点:1.该公司的锂电池在汽车应用中性能优越aesc的锂离子电池的最主要特点是：(1) 采纳高 稳固锰酸锂在阴极(2) 采纳轻巧，紧凑，叠层电池结构， 具有良好的散 热性；其结果是，从 aesc 展览兼具高 稳固性和

4、先 进性能的 锂离子电池，可以很简洁地在 车辆中装载，并且也是正确的 电池在成本方面 ；2.采纳锰锂酸使其电池的安全性更好，价格更低廉；采纳锰酸锂的好处是：锰酸锂晶体结构比较稳固，没有过充电状态，而且锰储量丰富，价格稳固3.轻巧，简洁，叠层的电池结构，具有良好的散热性其锂电池结构：阴极，通过在铝箔上涂覆的锰酸锂制成，阳极，通过涂覆在铜箔上的碳材料形成，交替地层叠具有夹着隔膜，然后用层压薄膜的密封结构；该结构使电池表面积大，呈片状，结构简洁，因而良好的散热性，并答应自由的设计电池外形，以适应在加载电池装入车辆；做到了汽车应用中良好性价比；三、 aesc的主要产品aesc的主要产品为：electr

5、icvehiclesev 锂电池和hybridelectricvehicleshev 由于电动汽车和混合动力汽车对电池的要求不同，这两种锂电池在材料、结构和性能上各不相同；ev 电动汽车电池设计为高容量型电池，这样可以实现单次充电 后续航才能；而hev 混合动力汽车就被设计为高输出型电池这样可以提高瞬时传输 电力；1. aesc 高容量锂电池（支持快速充电）由于电动汽车仅由5车载电池供应能量，必需具有大容量电池，实现大续航能 力；另外，当出行时，必需具有快速充电才能；aesc 锂电池可实现30ah 或更高的电池容量，这是一般手机锂电池的1030 倍；该类电动汽车锂电池主要有以下3 中型号：1高

6、能电池单元lithium-ion cell:high energy cell具有高散热和高能量密度的特点，其阴极和电极分层layeringcathodes and electrodes，外形为290mm×216mm，结构紧凑，容量大；混合了锂镍氧化物的锂锰 阴极使电池的稳固性好，寿命长，并且由于电池的层叠结构使电池的表面积大，散热性能好；（ 2）模块：高能量模块module:high energy module该模块具有紧凑的外形，增加了装载在车辆上的效率；通过4 个锂电池单元通过 2 并联， 2 串联装在金属盒中制成，这样既可以防止锂电池单元振动，又可以敏捷的包装为简洁紧凑的外形；

7、该模块在日产尼桑和其他汽车中广泛采纳（ 3）高能量电池组pack:high energy battery pack该电池组可以实现为车辆量身定制设计通过连接多个模块的传感器，掌握器，以及其他元件，然后容纳单元中的自定义设计用于每个车型；由 48 个电池模块连接 成的 电池组已在日产尼桑和the renaultkangoo上使用，具有 360v的输出电压和24kwh 的容量，可供一个标准家庭2 天使用 ；详细结构如下：voltage, temperature, and such are constantly monitored by sensors attached to the modules

8、 in the pack. the data is sent from the battery controller to the vehicle control unit via a can controller area network.when a vehicle is maintenanced at a service factory, the circuit is interrupted by operating the sdsw service disconnect switch so that work can be safely performed.2. aesc 混合动力汽车

9、用高输出锂电池混合动力电动汽车（hev）是由发动机和电动机的组合供能；当车辆第一次启动或其他时间需要一个大的转矩移动时，需要电动机和发动机共同驱动；而在其他时间，驱动能量被回收并用于对电池进行充电；因此，该电池特殊注意电池的瞬加输出电能的才能； aesc生产的 hev锂电池具有结构紧凑，重量轻，并且可供应远超其他公司锂电池的高输出才能；主要有以下三种型号：（ 1）高能电池单元lithium-ion cell:high energy cell该单元高散热和高功率密度的特点，外形为290mm×216mm，由层叠阴极，电极和分别器包装在一起组成；由于采纳了层叠结构，该单元散热性能好；阴极由

10、锂镍氧化物掺入锂锰材料组成，阳极材料采纳无定形碳；（ 2）高能模块module:high energy module该模块具有紧凑的外形， 增加了装载在车辆上的效率,由 8 个 hev 单元连接后装在金属盒中组成，可以防止hev 单元受振，又可以敏捷的包装为简洁紧凑的外形（ 3）高能量电池组pack:high energy battery pack该电池组可以实现为车辆量身定制设计，通过连接多个模块的传感器，掌握器， 以及其他元件，然后容纳单元中的自定义设计用于每个车型的情形下形成的；由12 个 hev模块连接组成的电池组已在nissan fuga hybrid and the nissan

11、cima上使用，具有1.4kwh的容量和346v 的输出电压；为四、技术支持aesc inherited the results of r&d conducted by both nissan and the nec group and has reached the stage of real world applications with our batteries now being used in mass production vehicles. with these results, we have established a foundation of mass prod

12、uction capabilities and products that exhibit not only cost performance but also performance and quality that are backed by the safety performance that is essential for automotive applications. with this foundation, aesc willcontinue to endeavor to provide advanced lithium-ion battery products to a

13、wide range of customers around the world.1.采纳抱负的锰系阴极材料aesc's manganese spinel cathode material与锂电池安全性好，性价比更高；其他阴极材料的锂电池对比，锰系(1) manganese spinel structure that is stable even with overchargingwhen lithium-ion batteries are charged, lithium ions move from the cathode material to the anode materia

14、l.because lithium manganate is a spinel structure with the manganese in a lattice shape, the material remains stable even when charging.(2) manganese, a material with abundant reserves and a stably low price.manganese has become an important material in aesc's lithium-ion batteries, and compared

15、 to nickel and cobalt, which are classified as rare metals, abundant reserves of manganese have been confirmed. therefore, manganese is inexpensive, and the price remains stable.2. 采纳层叠结构形式，实现了散热好，重量轻，结构紧凑的特点；aesc's cell is a sheet shaped cell that is sealed by a laminate film.because of the bro

16、ad surface area, the cells demonstrate excellent heat dissipation, and because of their simple, compact structure, the cells provide a high degree of design freedom to accommodate loading the batteries into a vehicle.aesc's lithium-ion batteries cells for both ev and hev applications feature a s

17、tructure in which cathodes and anodes are alternately stacked with a separator sandwiched between and then sealed with a laminate film.the batteries are able to achieve a large capacity even while having an extremely compact shape.in addition, because of the simple structure, the batteries are light

18、weight and maintain a competitive advantage from acostperspectiveas well.a laminated cell structure that boasts of advanced heat dissipation compared to conventional cylindrical cells.because the laminated cell has a broad surface area, the cell is better able to dissipate heat, and increases in the

19、 overall temperature of the cell due to charging and discharging can be kept low.therefore, vehicles that adopt batteries from aesc can simplify countermeasures against heat.3. mechanism behind rechargeable lithium-ion batterieswhy do the batteries repeatedly charge and discharge.lithium-ion batteri

20、es typically use a lithium metal oxide in the cathode and a carbon-based material in the anode. the lithium-ion batteries produced by aesc use lithium manganate in the cathode and a carbon-based material in the anode.when the batteries are charging, electrons move from the cathode to the anode, and

21、lithiumions move from the cathode and into the carbon-based material of the anode. if the cathode and the anode are connected in this state, lithiumions flowfrom the anode and return to the cathode, and the electrons travel through the connection to the cathode and combine with the lithiumions. when

22、 this occurs, an electric current is generated from the cathode to the anode.superiority of lithium-ion batteries compared to other batteries.the basic performance energy density, power density, etc. of a battery including the voltage is determined almost entirely by the combination of metals used i

23、n the cathode and anode.comparing voltages, the lead-acid storage battery used in vehicles has a voltage of2v witha combination that includes the use of lead dioxide in the cathode and lead in the anode. vehicles use 12v batteries that are configured by connecting six of these 2v batteries in a seri

24、es. nicad ni-cd batteries have a voltage of 1.2v using a combination of nickel hydroxide in the cathode and cadmium hydroxide in the anode, and nickel-metal hydride ni-mhbatteries have a voltage of 1.2v using a combination of nickel hydroxide in the cathode and a hydrogen storage alloy in the anode.

25、in contrast, the voltage of lithium-ion batteries is in a range of 3.23.8v, which means that a voltage that is three times higher than that of nicad batteries and ni-mh batteries can be obtained. in addition, the energy density of lithium-ion batteries is also superior with a volume energy density t

26、hat is roughly1.5 times that of ni-mh batteries and a weight energy density that is roughly double. therefore, if the batteries are of the same capacity, the rechargeablelithium-ionbattery can be fabricated witha morecompact, lightweight design with just two-thirds the volume of the ni-mh battery an

27、d half the weight.4. 加工过程五、公司荣誉附录：主要产品特点 :1. aescs lithium-ion batteries offer optimum performance for automotive applications(1) the use of high stability lithium manganate in the cathode 2 the adoption of a lightweight, compact, laminated cell structure with good heat dissipation. as a result, lit

28、hium-ion batteries from aesc exhibit both high stability and advanced performance, can be easily loaded in a vehicle, and are also the optimum battery in terms of cost.2. adoptionoflithiummanganese enables advanced safety performanceandlowercosts somebenefits of lithium manganate, which is used by a

29、esc as a cathode material, include 1 the fact that it is safe witha crystallinestructure that does not change even inan overcharged stated, and 2that manganese reserves are abundant and the market price is stable.a. lightweight,compact,liminated cell structure with good heat dissipationaesc's ce

30、lls feature a structure in which cathodes, formed by coating lithiummanganateon an aluminum foil, and anodes, formed by coating a carbon material on copper foil, are alternately stacked with a separator sandwiched between and then sealed with a laminate film.the features include a broad surface area

31、, a sheet-like shape, and a simple structure, and because of these features, the cells demonstrate good heat dissipation and allow for a high degree of freedom in the design of the battery shape to accommodate loading the batteries into a vehicle. aesc's batteries also demonstrate the high perfo

32、rmance that is needed for automotive use while remaining low in cost.aesc 的主要产品为： electric vehicles ev 锂电池和hybrid electric vehicles hevaesc produces batteries for electric vehicles ev and batteries for hybrid electric vehicles hev. both are types of lithium-ion batteries, but because battery require

33、ments differ for ev and hev applications, the materials, structures, and performance also differ.the batteries for ev use are designed as high capacity type batteries in order to extend the distance that can be driven on a single charge, while hev batteries are designed as high output type batteries

34、 that can instantaneously transfer a large amount of power.1. aesc s high capacitylithium-ion batterie for ev applications supports rapid chargingelectric vehicles are powered only by the energy that is stored in the on-board batteries. therefore, ev batteries must be designed as large capacity batt

35、eries so that vehicles can travel long distances on a single charge. in addition, sometimes electric vehicles must be charged away from home, so the batteries must be capable of being charged with a rapid charger.the cell capacity of aesc's lithium-ionbatteries lithium-ionbatteriefor ev applicat

36、ions is 30ah orgreater, which is 10-30 times the capacity of lithium-ion batteries for smart phones. 1lithium-ion cell:high energy cellsuperior heat dissipation and high energy density are achievedaesc's cells for ev applications are formed by layering cathodes and electrodes and then packingthe

37、m in a laminate pack. the cells are sheet shaped with a dimension of 290mm216mm, and while ×they are compact, they also demonstrate large capacity. stability is ensured and a long life span and large capacity are realized by blending lithium nickel oxide with a cathode material that is based on

38、 lithium manganese.another characteristic of aesc's cells is the excellent heat dissipation that results from the laminated structure with a wide surface area.(2) module:high energy modulea compact shape that increases the efficiency of loading in vehiclesthe modules for ev use are formed by con

39、necting 4 cells in a 2-series, 2-parallel formation and then housing the unit in metal case. the case functions to protect the cells from vibration and such and also increases the flexibility of the pack design because of its simple, compact shape.the ev modules adopted in the nissan leaf and other

40、vehicles feature a 2-series, 2-parallel formation,but applications with a 4-series formation are also possible. 3pack:high energy battery packvehicle tailored designs are possiblethe pack is formed by connecting multiple modules to sensors, a controller, and other components and then housing the uni

41、t in a case custom designed for each vehicle model.the battery packs for both the nissan leaf and the renault kangoo are formed by connecting 48 modules in a series.aesc's modules can be installed vertically or flat, and the pack can be designed with a shape that is tailored to the shape under t

42、he vehicle floor.the packs for both the nissan leaf and the renault kangoo are designed with a voltage of 360v and a capacity of 24kwh and can store electric power that is equivalent to 2 days of electric power used by a standard home.2 aesc s high output lithium -lon battery for hev applicationshyb

43、rid electric vehicles hev are powered by a combination of an engine and an electric motor. when the vehicle first starts to move and at other times when a large amount of torque is required, the battery pack and motor operate to assist the engine, and at other times, driving energy is recovered and used to charge the batteries. therefore, emphasis is focused on performance that allows the batteries to instantaneously transfera largeamountofelectricpower.aesc'slithium-ionbatteries forhev applications are compact and lightw