本征安全模塊

Intrinsic-Safe Module

概述 Overview

振華新能源開發了基于三元18650電芯的本征安全模塊,是系統解決方案的核心部件。電芯的電路自熔斷、定向泄壓、安全隔離設計可以確保失效的單顆電芯被有效隔離,保障模塊的高安全性;模塊采用輕量化材料和緊湊型結構,保證高能量密度;溫度場分布和電流密度分布的一致性設計使所有電芯處于相同的工作環境,故循環壽命與電芯相比無明顯衰減;由于電芯具有很好的高低溫性能,模塊無需溫控裝置即可具有較寬的工作溫度窗口。模塊的具體規格依不同的應用領域而不同,且可進行定制開發。

Sinowatt has developed intrinsic-safe module based on 18650 cell, which is the critical part of our system solution. Thermal run-away cell can be isolated effectively by self-fusing connection, oriented pressure relief vent, safety spacing against thermal transmission, so the high safety of the module is guaranteed. The module has high energy density due to light-weighting material and compact structure. The uniformity design of thermal field and current density distribution guarantees that all cells work under same condition, so that there is no deterioration of module lifecompared with single cell. Module can be operated under wide temperature window without additional temperature-adjusting devices due to excellent cell performance. Dimension of modules varies according to different application fields, and can be tailored as well.

模塊特征 Features

電芯類型 Cell Model  SW18650-25HP(NMC)
本征安全 Intrinsic Safety   失效電芯電路自熔斷
電芯失效后定向泄壓
電芯失效熱傳遞物理隔離
Self-fusing connection isolates thermal run-away cell
Oriented pressure relief vent of failed cell
Safety spacing against thermal transmission
能量密度 Energy Density 輕量化材料和緊湊型結構
light-weighting material and compact structure
150Wh/kg &280Wh/L
使用壽命 Long Life 大于8年或12萬公里@電動乘用車使用
大于5年或20萬公里@電動物流車使用
大于10年@光伏儲能系統使用
>8 years or 120k km @ Passenger EV
>5 years or 200k km @ Logistics EV
>10 years @ PV energy system
低溫性能 Low Temperature Performance -20℃≥80%@1C  Discharge
-30℃≥50%@0.5C Discharge
可靠性 Reliability 標準化自動化批量生產
無損超聲波點焊工藝
Fully standard automatic mass production
Lossless ultrasonic spot-welding process

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