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-11系列數碼電池電解液

冰河冷媒     2017-11-15

普通數碼電池用電解液

YH-11系列數碼電池電解液
特性與應用
該系列電解液針對鈷酸鋰及三元正極材料的性能特點研發,適用于方形和圓柱電池。其特點是:常溫循環性能好,容量發揮充分,高低溫性能良好、綜合性能好。 
 
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 1.23±0.03 密度瓶法
電導率(25℃) mS/cm 9.50±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≥95%;100周循環容量保持率≥93%;
200周循環容量保持率≥92%;300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≥75%
0℃靜置24h后,0.2C放電容量保持率≥96.9%
高溫性能
55℃存放7d后,膨脹率<3%,放電容量保持率≥95.2%
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 conventional consumer Li-ion battery
YH-11 series of electrolyte for conventional consumer Li-ion battery
Characteristic&Application
  This series of electrolytes are researched and designed for conventional consumer Li-ion battery using  Li(NixCoyMn1-x-y) or LiCoOas cathode material,which are suitable for prismatic and cylindrical cell. The characteristics of the battery using YH-11 electrolyte include good cycle life at ambient temperature,well comprehensive performance 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 1.23±0.03 Pycnometer method
Conductivity(25℃) mS/cm 9.50±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 300 cycles are equal or greater than 95%,93%,92% 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 75% under 0.2C.
After stored at -20℃ for 24 hours,the capacity retention rate of the fully charged battery is equal orgreater than 96.9% under 0.2C.
High-low Temperature Performance
After stored at 55℃ for 7 days,the swelling rate is equal or less than 3% and the capacity retention rate of the fully charged battery is equal or greater than 95.2%.
Safety Performance
Smokeless,nonflammable,inexplosive under 3C/5V overcharging,pierced by a needle or extruding.

 

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