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          汽車動力系統

          EV Battery System

          概述 Overview

          振華新能源為了滿足客戶端不同運行工況條件下汽車動力系統需求,提供一套基于三元18650電芯的通用解決方案,該方案采用標準化的本征安全型模塊,并具有高能量密度的明顯優勢。

          To meet clients' different requirements for EV battery systems under different operating conditions, Sinowatt provides a whole set of general solutions based on Li (NMC) 18650 cells, which adopts standardized intrinsic safe modules and has distinct advantage of high energy density.

          應用領域 Applications

          專用車 Special EV(48V-200V/5-100KWh)
          乘用車 Passenger EV(144V-400V/15-80KWh)
          商用車 Commercial EV(300V-600V/30-80KWh)

          技術優勢 Features

           安全性 Safety

          電芯安全性:特殊隔膜/卷芯絕緣保護/CID/泄壓閥設計
          模塊安全性:電芯的電路自熔斷/定向泄壓/安全隔離設計
          控制安全性:電壓/電流/溫度/絕緣阻抗/漏電等安全控制

          Safety of cell: customized separator, jelly-roll insulation protection, CID and vent design
          Safety of module: self-fusing connection/oriented pressure relief vent/safety spacing against thermal transmission
          Safety of control: safe control for Voltage, Current, Temperature, Isolation Resistance and Electric Leakage etc.

          可靠性 Reliability

          針對電動汽車開發的自有18650動力電芯
          標準化電芯和模塊全流程自動化批量生產
          軟硬件模塊化/高精度/高魯棒性電池管理系統

          18650 power cell optimized for EVs
          Fully automatic mass production for standardized cells and modules
          BMS with modularized hardware and software, high accuracy and robustness

           高能量密度 High Energy Density

          高能量密度電芯:200Wh/kg及520Wh/L
          基于18650的結構可有效利用電池包內窄小空間
          安全吸熱隔離技術增加10%裝配空間
          使用樹脂等輕量化材料

          High energy density cell: 200Wh/kg and 520Wh/L
          18650 modules could fully utilize battery package space
          Thermal absorption and insulation technology decreases occupied space by 10%
          Applications of light material such as resin reduce the weight of package

          寬溫度窗口 Wide Temperature Range

          低于40mΩ的電芯直流內阻工作發熱量小
          電芯安全間距和模塊集流體確保有效散熱
          滿足低溫-30℃(特殊可達-40℃)放電要求

          Low heat generation due to DCIR lower than 40mΩ
          Effective heat dissipation guaranteed by safe spacing between cells and module current collector
          Normally -30℃, or -40℃ specially

          長壽命與高倍率 Long Life and High Rate

          電芯壽命超過1500周且成組后壽命無衰減
          電池組可滿足5年/20萬公里或者8年/12萬公里質保
          電芯和系統支持最高8C持續放電

          More than 1500 cycles for cell and no deterioration within battery pack
          Warranty of 5 years/200k km or 8 years/120k km
          Maximum 8C continuous discharge for cell and system

          應用案例 Application Case : FZ16C-EV324

          該項目是為某乘用車型定制開發的高能量電池系統。系統使用了標準本征安全模塊,可以確保失效的單顆電芯被有效隔離,保障系統安全;高能量密度電芯加輕量化設計保證系統能量密度在120Wh/Kg以上;溫度場和電流密度分布的均勻性設計保障電芯的工作條件一致,故模塊循環壽命與電芯相比無明顯衰減;由于電芯的內阻很低,可低溫放電且發熱量很小,該系統不需任何輔助溫度控制裝置即可在北方的冬季和南方的夏季正常工作。

          The EV battery system is customized for passenger EV. Intrinsic safe module is adopted to ensure system safety by effective thermal run-away cell insulation. The system energy density is more than 120Wh/Kg due to high energy density cell and light-weighting design. The uniformity design of thermal field and current density distribution guarantees that all the cells work under same condition, so that there is no deterioration of system life compared with single cell. The cell could discharge under low temperature and generate less heat due to low IR, so the system can operate normally in northern winter and southern summer without any additional temperature-adjusting devices.     
                                                 

           

          系統參數 Specifications

          基本信息
          Basic information
          產品型號 System Model  FZ16C-EV324
          電芯類型 Cell Model  SW18650-25HP 
          標稱電壓 Nominal Voltage   324V 
          額定能量 Nominal Energy 30KWh 
          最大充電電流 Maximum Charging Current  100A(1.0C)
          峰值功率 Output Peak Power 60KW
          額定功率 Nominal Output Power 30KW
          質量能量密度 Gravimetric Energy Density 120Wh/Kg
          體積能量密度 Volumetric Energy Density 160Wh/L
          通訊方式 Communication Protocol CAN
          循環壽命 Cycle Life ≥1500 cycles
          安全
          Safety
          阻燃等級 Flame Retardant Rating UL94V-0
          IP防護等級 Ingress Protection IP67
          絕緣電阻 Insulation Resistance >8MΩ
          參考標準 Reference Standards GB/T 31485-2015, GB/T 31467.3-2015 etc.
          環境
          Environment
          冷卻方式 Cooling Method Air cooling 
          工作溫度范圍 Operating Temperature Range -30℃~60℃

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