4场进球什么意思|体彩4场进球第77期
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電解液系列Electrolyte
鋰鹽系列Lithium salt
載冷劑系列Refrigerant

YH-52系列動力電池電解液

冰河冷媒     2017-11-15

動力電池用電解液

YH-52系列動力電池電解液
 
特性與應用
該系列產品適用于正極為錳酸鋰,負極為人造石墨或改性天然石墨的動力型電池,適合方形和圓柱電池。其特點是:常溫循環性能好,高低溫性能良好。 
 
電解液組分
EC、DMC、EMC、LiFP6及功能型添加劑
 
物理性能技術指標
檢測項目 單位 技術指標 檢測方法
水分含量 ppm ≤15 KarlFischer庫倫法
游離酸(以HF計) ppm ≤50 酸堿滴定法
密度(25℃) g/mL 1.21±0.03 密度瓶法
電導率(25℃) mS/cm 9.40±0.3 電導率儀
單項金屬雜質 ppm ≤5 ICP-Mass
色度 / 無色或淡黃色 目視
 
電池基本性能
循環性能
1CC/1CD,50周循環容量保持率≥98%;100周循環容量保持率≥93%;
200周循環容量保持率≥92%;500周循環容量保持率≥86%
低溫性能
-20℃靜置24h后,0.2C放電容量保持率≥70%
高溫性能
55℃存放30d后,膨脹率≤3%,容量恢復率≥86%
安全性能
3C/5V過充、針刺、擠壓,電池不冒煙、不起火、不爆炸
 
 
 
 
 
 
 
 
 
 
 
 

 

Electrolyte for Li-ion power battery
YH-52 series of electrolyte for Li-ion power battery
Characteristic&Application
  This series of electrolytes are researched and designed for Li-ion battery in EV using LiMn2Oas cathode material and artificial or modified natural graphite as anode material,which are suitable for cylindrical and prismatic cell. The characteristics of the battery using YH-52 electrolyte include good cycle life at ambient temperature and good performance at high or low temperature.                                                                                                 
Composition
EC,DMC,EMC,LiFP6,additive,etc.
 
Technical Indicator of Physical Properties
Item Unit Technical Indicator Testing Method
Moisture content ppm ≤15 KarlFischer method
Hydrofluoric acid ppm ≤50 Acid-base titration
Density(25℃) g/mL 1.21±0.03 Pycnometer method
Conductivity(25℃) mS/cm 9.40±0.3 Conductivity meter
Single metal impurity ppm ≤5 ICP-Mass
Colority / Colorless to pale yellow Visual
 
Physical Properties
Cycle Performance
The capacity retention rate after 50,100,200 and 500 cycles are equal or greater than 98%,93%,926% and 86% respectively under 1CC/1CD.
Low Temperature Performance
After stored at -20℃ for 24 hours,the capacity retention rate of the fully charged battery is equal orgreater than 70% under 0.2C.
High-low Temperature Performance
After stored at 55℃ for 30 days,the swelling rate is equal or less than 3% and the capacity recovery rate of the fully charged battery is equal or greater than 86%.
Safety Performance
Smokeless,nonflammable,inexplosive under 3C/5V overcharging,pierced by a needle or extruding.

 

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4场进球什么意思