lithium ion car battery diaphragm Alumina material
The quality of diaphragm will influence the cycle life and
self-discharge of battery to a great extent. The design of
diaphragm hole, thickness and resistance have also become important
indexes in judging battery quality. As to nickel-hydrogen battery,
diaphragm with bad gas permeability will cause an increase of the
internal pressure from oxygen produced by positive electrode due to
overcharge which cannot be compounded. The increased pressure to
certain value will be released from safety vent and cause the loss
of electrolyte. Diaphragm with excellent gas permeability is
helpful to the compounding of oxygen and can increase the battery
capability of over-charge resistance.
【Application】
It is mainly used for the coating material of positive and negative
pole diaphragm of lithium battery, which is beneficial to the
stability of the battery.
It is suitable for Lithium ion battery separator,and the battery
can be used for electronic car, electronic intelligent products and
energy storage products.
【Specification】
1. Chemical properties: Al2O3>99.9%
2. Color:white
3.PSD: D50=0.8-1.2um,D99<6um
| ITEM | INDEX | ITEM | INDEX |
| Al2O3% | 99.9 | D50 | 0.8-1.2um |
| Ca% | <0.05 | D90 | <3um |
| Fe% | <0.01 | D99 | <6um |
| Na% | <0.4 | BET | 5-8m2/g |
【Product features】
Lithium ion batteries with alumina separator is fabricated for
safety improvement. Alumina separator is coated on electrode by a
scalable and cost-effective method.Lithium ion batteries with
alumina separator perform better than conventional cells.
The presence of the alumina can significantly improve the physical
and chemical properties of battery separators. The alumina coating
layer may reduce or prevent dendrite puncture, lithium plating and
separator shrinkage during over-heating, hence significantly
increasing safety performance for a lithium ion battery
1. Less magnetic foreign matters, stable electrical performance,
low content of harmful ions;
2. High heat resistance, stable at high temperature;
3. The particle size distribution is very narrow, which can be
coated with a very thin thermal insulation coating, with low
thermal resistance; no small particles blocking Li + ion channel,
no coarse particles scratching the film.
【Packing】 25kgs/poly-drum ,500kgs/pallet.
1.Q:Why your price isn't the lowest price compared with others
company or factories ?
A:Compared with the same level brand, we have the same functions
and components, but our price is the most competitive. At the same
time, our after sales service is satisfactory. We have a good
reputation in our customers.
2. Q:What is loading port?
A:Usually is Shanghai.
3 Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. Or it is
15-20 days if the goods are not in stock, it is according to
quantity.
4 Q: What are your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30%
T/T in advance, balance before shipment.
If you have other questions, please feel free to contact us.
Our company is always paying great attention to the intellectual
property and independent development, and pursuing innovation of
science and technology. Our company has been recognized as
“High-Tech Enterprise of Shanghai” since 2008. The project of the
high-precision rare earth polishing powder passed high-tech
achievements transformation, and its annual production reaches 2000
tons.
