RBST

Products

Home page

99.999% High Purity Alumina

99.995% High Purity Alumina

Ultra Fine Alumina

For New Energy Battery

High Purity Alumina Grinding Ball

High Purity Aluminum Hydroxide

Colored Sapphire Crystal

Battery Grade Ultra Fine Alumina Powder Lithium Battery Separator Ceramic Coating Al2O3

Category：

For New Energy Battery

Consult

Back to list

DETAIL

1. Product Overview

Battery Grade Ultra Fine Alumina Powder (Li-battery Separator Coating Al₂O₃) is a high-purity, low-sodium, nano/micron ultra-fine functional ceramic powder specially customized for lithium battery separator ceramic coating. Produced by low-sodium calcination, ultra-fine precise grinding and strict hierarchical classification technology, this alumina powder features ultra-low impurity content, uniform particle size, excellent dispersion and high insulation stability. It is the core inorganic coating material for wet/dry lithium battery separators, widely applied in power batteries, energy storage batteries and consumer lithium battery fields.

Different from general industrial alumina, our lithium battery separator grade ultra fine alumina strictly controls sodium ions, iron ions and soluble impurities that affect battery cycle life and safety. As professional lithium battery separator alumina, it effectively solves common industry pain points including coating agglomeration, uneven ceramic layer, poor high temperature resistance and excessive battery self-discharge. Fully compliant with new energy lithium battery manufacturing standards, it is the top-choice ceramic coating raw material for global separator processing factories and lithium battery manufacturers.

2. Core Advantages for Lithium Battery Separator

Ultra-Low Impurity & Low Sodium Grade

Uniform Particle Size & No Coarse Particles

Superior Dispersion & Coating Uniformity

High Thermal Stability & Safety Enhancement

Excellent Electrolyte Compatibility

Mass Stable Supply & Battery Grade Certification

3. Specialized Product Models for Li-Battery Separator

We provide exclusive customized ultra fine alumina powder series dedicated to lithium battery separator ceramic coating, covering power batteries, energy storage batteries and high-rate 3C batteries. All battery grade alumina products are supplied with complete batch COA test reports.

4. Core Application: Lithium Battery Separator Ceramic Coating

This battery-grade ultra-fine alumina is professionally designed for ceramic coated lithium battery separators, compatible with dry-process and wet-process PP/PE separators, covering all mainstream lithium battery application scenarios:

New Energy Vehicle Power Batteries

Energy Storage Lithium Batteries

Consumer Lithium Batteries

High-Rate & Special Batteries
Functional Effect After Coating

5. Inquiry & Industrial Cooperation

We are a professional manufacturer specializing in battery-grade ultra fine alumina for lithium battery separator coating, focusing on R&D and production of new energy battery ceramic coating materials. We have long-term stable cooperative supply relationships with many domestic and foreign separator coating factories and lithium battery manufacturers.

Welcome global new energy buyers, separator factories and lithium battery manufacturers to inquire about low sodium ultra fine alumina for battery separator coating. Get the latest bulk quotation, exclusive wholesale discount, free test samples and customized ceramic coating alumina solutions !

OTHER PRODUCTS

Thank you for visiting RBST official website. If you have any cooperation intention or suggestion, please contact us , and we will reply as fast as we can. Thank you!

Address：Chengxi Group, Dianjiang Industrial Park, Chongqing, China.

Tel：+86-156 8385 9858

Email：sales@cnrbst.com

RBST

Products

Battery Grade Ultra Fine Alumina Powder Lithium Battery Separator Ceramic Coating Al2O3

Boehmite (AlOOH)

Battery Grade Ultra Fine Alumina Powder Lithium Battery Separator Ceramic Coating Al2O3

99.999% Ultra High Purity Alumina Powder

Boehmite (AlOOH)

Battery Grade Ultra Fine Alumina Powder Lithium Battery Separator Ceramic Coating Al2O3

99.999% Ultra High Purity Alumina Powder