GuangDong JinGuang High-Tech Co., Ltd.

Electrolyte for high-temperature Li-ion battery JG-02

Application

This product could be used for all types of Li-ion battery.
It has good performance at high temperature and the cell using it will have good cycle life.

Composition

Ester solvents

LiPF₆

additive, etc.

Specification

Item	Spec.	Testing Method
Colority	≤ 20 Hazen	Pt/Co scale
Water	≤ 20 ppm	Karl-Fischer titration
Free acid (as HF)	≤ 50 ppm	Neutralization
Metal	≤ 10 ppm	Atomic Absorption
Density（25℃）	1.21±0.03 g/cm³	Pycnometer
Conductivity（25℃）	7.5±0.5 mS/cm	Conductivity meter

Custom Test Result

Charge-discharge efficiency at first cycle (%)	Capacity retention at ambient temperature (%)		Storage at 70℃ for 7 days
	100 cycle	200 cycle	Capacity retention	Capacity recovery	Swelling
>92	>95	>93	>95	>97	<3

Electrolyte for high-temperature Li-ion battery JG-04

Application

This product is designed for pouch cell using LiMn₂O₄ as cathode material and artificial graphite as anode material.
It has good performance at high temperature and the cell using it will have good cycle life.

Composition

Ester solvents

LiPF₆

additive, etc.

Specification

Item	Spec.	Testing Method
Colority	≤ 50 Hazen	Pt/Co scale
Water	≤ 20 ppm	Karl-Fischer titration
Free acid (as HF)	≤ 50 ppm	Neutralization
Metal	≤ 10 ppm	Atomic Absorption
Density（25℃）	1.20±0.03 g/cm³	Pycnometer
Conductivity（25℃）	7.0±0.5 mS/cm	Conductivity meter

Custom Test Result

Charge-discharge efficiency at first cycle (%)	Capacity retention at ambient temperature (%)		Storage at 85℃ for 4 hours and then 1C charge-discharge at ambient temperature
	100 cycle	200 cycle	Capacity retention	Capacity recovery	Swelling
>92	>95	>93	>95	>97	<5

NOTES

This product is a corrosive, explosive, and flammable liquid with a middle flash point and a pungent smell. According to the composition, it has a flash point in the range of 18-40℃, boiling point in the range of 90-248℃ and explosion limits in the range of 1.4%~16%.
Keep the drum well sealed in the process of storage and transportation to guaranty the quality of the product.
Storage: the product must be conserved in a dry and cool place with temperature lower than 30℃ and relative humidity lower than 80%. Keep the place well ventilate, avoiding leakage in an airport place to form explosive gas mixture.
The quality guarantee period of the product is six months.

Prohibit and forbidden: keep away from kindling, heat source and inflammable materials. Smoking and lighting fires are strictly prohibited at work place. Avoid contacting with oxidant, reductive, acids, alkalis. Avoid rain, high temperature, fire, static electricity, sunshine. Be careful in transportation, storage and usage to avoid damage of package and container by inversion, bump, or violent shock.
If the product had been taken out from the drum, don’t return it back because it will lead to contamination.
In order to guaranty the safety of operator and the quality of the product, direct contact with air or H₂O is forbidden, and the product should be used in the environment of H₂O<20ppm. Ingestion of electrolyte is absolutely forbidden. Wash hands and face with plenty of water before finishing the work.