LiCoO2 (LCO) Double-Side Coated Aluminum Foil Description

LiCoO2 (LCO) Double-Side Coated Aluminum Foil is a premium cathode material engineered for advanced lithium-ion battery applications. It consists of lithium cobalt oxide (LiCoO2) uniformly coated on both sides of high-purity aluminum foil, significantly increasing the active material loading and overall energy density compared to single-side coated electrodes. This configuration is especially beneficial in compact or high-performance battery designs where space and weight are critical.

The foil is prepared by creating a homogeneous slurry of LiCoO2 powder, conductive carbon additives (such as Super P), and a binder like polyvinylidene fluoride (PVDF) in a solvent such as N-methyl-2-pyrrolidone (NMP). The slurry is applied to both sides of the aluminum foil using precise coating techniques like roll-to-roll or slot-die coating. After coating, the material is dried, calendared to increase electrode density and mechanical strength, and then cut to size for use in coin cells, pouch cells, or cylindrical cell prototypes.

LCO double-side coated foil provides excellent cycle life, voltage stability, and energy capacity, making it ideal for research laboratories, product development, and performance benchmarking. It is widely used in consumer electronics, wearable devices, and other compact energy storage systems requiring reliable, high-energy cathode materials.

LiCoO2 (LCO) Double-Side Coated Aluminum Foil Applications

1. High-Energy Lithium-Ion Batteries: Used in batteries requiring higher capacity and compact design, such as smartphones, tablets, and laptops.

2. Battery Research and Development: Ideal for testing and prototyping in advanced battery labs, enabling evaluation of higher material loading effects.

3. Wearable Electronics: Supports lightweight, small-form-factor batteries with enhanced energy density for smartwatches, fitness trackers, and medical devices.

4. Electric Vehicles (EVs): Suitable for experimental and specialty cells where improved energy density and cycle life are crucial.

5. Energy Storage Systems (ESS): Applied in compact storage solutions requiring efficient, reliable cathode materials.

6. Battery Manufacturing: Utilized in pilot production and quality control for cathode performance validation before scale-up.

LiCoO2 (LCO) Double-Side Coated Aluminum Foil Packaging

Our products are packaged in customized cartons of various sizes based on the material dimensions. Small items are securely packed in PP boxes, while larger items are placed in custom wooden crates. We ensure strict adherence to packaging customization and the use of appropriate cushioning materials to provide optimal protection during transportation.

Packaging: Carton, Wooden Box, or Customized.

Kindly review the packaging details provided for your reference.

Manufacturing Process

1.       Testing Method

(1)    Chemical Composition Analysis - Verified using techniques such as GDMS or XRF to ensure compliance with purity requirements.

(2)    Mechanical Properties Testing - Includes tensile strength, yield strength, and elongation tests to assess material performance.

(3)    Dimensional Inspection - Measures thickness, width, and length to ensure adherence to specified tolerances.

(4)    Surface Quality Inspection - Checks for defects such as scratches, cracks, or inclusions through visual and ultrasonic examination.

(5)    Hardness Testing - Determines material hardness to confirm uniformity and mechanical reliability.

Please refer to the SAM testing procedures for detailed information.

LiCoO2 (LCO) Double-Side Coated Aluminum Foil FAQs

Q1. What are the benefits of double-side coating?

Double-side coating increases the active material loading per unit area, enhancing energy density without significantly increasing battery size.

Q2. What materials are used in the coating?

The coating consists of lithium cobalt oxide (LiCoO2) powder, conductive carbon additives like Super P, and a binder such as polyvinylidene fluoride (PVDF).

Q3. What substrate is used for the foil?

High-purity aluminum foil is used due to its conductivity, lightweight, and compatibility with lithium cobalt oxide.

Related Information

1.       Common Preparation Methods

The preparation of LiCoO2 (LCO) Double-Side Coated Aluminum Foil begins by formulating a uniform slurry composed of lithium cobalt oxide (LiCoO2) powder, a conductive additive such as Super P carbon black, and a binder like polyvinylidene fluoride (PVDF) dissolved in N-methyl-2-pyrrolidone (NMP) solvent. This slurry is mixed thoroughly to ensure even dispersion of all components. The mixed slurry is then applied to both sides of a high-purity aluminum foil using a roll-to-roll or slot-die coating process. Once coated, the foil is dried in a vacuum or convection oven to remove solvent residues and promote strong binder adhesion. The dried material is subsequently passed through calendaring rollers to densify the electrode layers, enhance mechanical strength, and improve the contact between particles. After calendaring, the double-side coated foil is inspected for uniformity, thickness consistency, and adhesion quality. The final product is then slit or punched into desired dimensions, ready for use in lithium-ion battery fabrication and electrochemical testing. This method ensures a balanced, high-performance cathode material suitable for applications demanding higher energy density and compact design.