Battery-Grade Carbon-Coated Aluminum Foil 10-30μm ATOMFAIR®

$349.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

Battery-grade carbon-coated aluminum foil current collector with 10-30 μm base foil, ≥1 μm carbon layer, ≤5 mΩ resistance and 99.5% purity. Order now.

Battery-Grade Carbon-Coated Aluminum Foil

Product Type: Carbon-coated aluminum foil current collector

Research-grade laboratory product

Product Overview

Battery-grade carbon-coated aluminum foil is a 1-series aluminum foil current collector with 10-30 μm base foil thickness and one-side or two-side carbon coating.

The water-based carbon coating is described with strong bonding, high specific surface area, conductive performance, corrosion resistance and improved interface contact resistance.

Performance Features

Measured aluminum purity is at least 99.5% against a specification of at least 99.0%.
Base foil thickness examples include 10, 12, 13, 14 and 16 μm.
Carbon coating thickness is specified at ≥1 μm and can be customized.
Measured surface wetting is 50 and measured surface resistance is 2 milliohm on aluminum foil and 1 milliohm on the carbon layer.

Technical Specifications

Parameter	Specification / Available Values
Atomfair Model	AF-ALCC-10U30U
Aluminum purity	Specification ≥99.0%; measured ≥99.5%
Aluminum base foil thickness	10-30 μm; listed examples include 10, 12, 13, 14 and 16 μm
Coating appearance	One-side or two-side coating
Carbon coating thickness	Specification ≥1 μm; customizable according to requirement
Coating width	According to die size; common widths include 170 mm and 230 mm
Coating adhesion	No change after 3M tape pull
Solvent resistance	200 cotton-swab cycles without exposed foil
Coating surface wetting	Specification ≥30; measured 50
Surface resistance	Specification ≤5 milliohm; measured 2 milliohm on aluminum foil and 1 milliohm on carbon layer

Selection and Configuration

Coating side	One-side or two-side carbon coating
Base foil thickness	10-30 μm
Coating width	Matched to die size; common widths include 170 mm and 230 mm

Quotation Confirmation: Confirm base foil thickness and one-side or two-side carbon coating.

Specification Confirmation: Confirm carbon coating thickness, coating width and surface-resistance target.

Configuration Support: Coating size follows die size and should be specified for quotation.

Quotation Note: Include base foil thickness, coating side, coating width, carbon layer thickness and quantity.

LABORATORY PROCUREMENT SUPPORT

For model selection, accessory matching, platform compatibility or configuration confirmation, contact our technical sales team.

E-MAIL: inquiry@atomfair.com

Manufacturer: Atomfair LLC

Brand: ATOMFAIR®

The carbon coating must exhibit no delamination after a 3M tape pull test and withstand 200 cotton-swab cycles without exposing the aluminum foil. The coating surface must achieve a wetting value of at least 30 and a surface resistance no greater than 5 milliohm.

Coating Adhesion: The carbon coating must remain intact and show no change after a 3M tape pull test.
Solvent Resistance: The coating must withstand 200 cotton-swab cycles with a compatible solvent without exposing the underlying aluminum foil.
Surface Wetting: The coating surface must exhibit a wetting value of at least 30 to ensure proper electrolyte wetting.
Surface Resistance: The surface resistance must not exceed 5 milliohm to minimize electrical losses.
Coating Thickness: The carbon coating thickness must be at least 1 micrometer to provide adequate conductive pathways.

FAQ

What is the measured surface resistance on the carbon layer compared to the aluminum foil, and how does that affect battery performance?

The measured surface resistance is 1 milliohm on the carbon layer and 2 milliohm on the aluminum foil, both within the specification of ≤5 milliohm. This low resistance minimizes interfacial contact resistance between the current collector and the electrode coating, improving rate capability and reducing ohmic losses in the battery.

How does the water-based carbon coating perform under solvent exposure typical in electrode slurry preparation?

The carbon coating exhibits solvent resistance of 200 cotton-swab cycles without exposing the underlying aluminum foil, indicating strong compatibility with common organic solvents used in electrode slurry processing. Additionally, the coating adhesion passes a 3M tape pull test with no change, ensuring coating integrity during calendering and cell assembly.

What is the minimum aluminum purity specification and why is it critical for battery applications?

The aluminum purity is specified at ≥99.0% with a measured value of ≥99.5%. High purity is essential to minimize corrosion and pitting in the electrochemical environment, especially at high potentials, and to ensure consistent electrical conductivity across the current collector.

Assessment

Battery-grade carbon-coated aluminum foil current collector with measured aluminum purity ≥99.5%, carbon coating adhesion passing 3M tape pull, and surface resistance measured at 2 milliohm on foil and 1 milliohm on carbon layer, meeting specifications for laboratory battery research.

Positive

Robust carbon coating adhesion: Carbon coating exhibits no change after 3M tape pull test, indicating strong mechanical bonding to the aluminum substrate.
Low surface resistance: Measured surface resistance is 2 milliohm on aluminum foil and 1 milliohm on carbon layer, well within the ≤5 milliohm specification, supporting efficient electron transport.

Trade-offs

Customization required before ordering: Base foil thickness, coating side, carbon coating thickness, coating width, and surface resistance target must be confirmed with the manufacturer for quotation, adding lead time and specification complexity.
Coating width constrained by die size: Coating width is determined by the die; common widths are 170 mm and 230 mm, which may require custom tooling for non-standard widths.

Quality Standards & Performance Verification

Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

Shipping & Returns

Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).