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Carbon Coated Aluminum Foil Battery Current Collector Semi Solid Sodium Battery

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Carbon Coated Aluminum Foil Battery Current Collector Semi Solid Sodium Battery

Name: Carbon Coated Aluminum Foil Battery Current Collector Semi Solid Sodium Battery
Brand: XWELL
Price: 1 USD

Brand Name : XWELL

Model Number : (12+1)u200mm

Certification : CE

Place of Origin : CHINA

MOQ : 100g

Payment Terms : L/C,D/A,D/P,T/T,Western Union,MoneyGram

Supply Ability : 1 t/month

Delivery Time : 5-7 days

Packaging Details : Plastic package

Model : (12+1)u200mm

Base Material : High-purity Al foil (≥99.6%)

Coating Composition : Conductive carbon black/graphite + polymer binder

Coating Thickness : 1–8 μm (single/double-sided)

Surface Roughness (Rz) : ≤3.0 μm (glossy finish)

Areal Resistance : <0.5 Ω·cm² (vs. >2 Ω·cm² for bare Al)

Thermal Stability : Stable up to 180°C (SSSB processing)

Applications : Semi-Solid-State Battery Optimization

Price : 1-1000USD/Negotiable

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Carbon-coated Aluminum Foil Battery Current Collector Semi-solid Sodium Battery Scientific Research Laboratory Material

Product Overview

Carbon-coated aluminum foil (CCAF) is a high-performance current collector engineered for semi-solid-state sodium batteries (SSSBs) and next-gen energy storage systems. By integrating a nano-carbon layer (5–20 μm) onto ultra-thin aluminum foil (8–30 μm), it addresses critical challenges of interfacial resistance, sodium dendrite growth, and electrode delamination in SSSBs.

Key Specifications

Parameter	Specification
Base Material	High-purity Al foil (≥99.6%)
Coating Composition	Conductive carbon black/graphite + polymer binder
Coating Thickness	1–8 μm (single/double-sided)
Surface Roughness (Rz)	≤3.0 μm (glossy finish)
Areal Resistance	<0.5 Ω·cm² (vs. >2 Ω·cm² for bare Al)
Thermal Stability	Stable up to 180°C (SSSB processing)

Material Advantages

Semi-Solid-State Battery Optimization
- Reduces interfacial impedance by >50% vs. bare Al foil in sulfide/oxide-based SSSBs.
- Enhances sodium-ion diffusion kinetics (tested at >5 mA/cm² current density).
Sodium Battery Performance
- Compatible with Na₃V₂(PO₄)₃ (NVP) and hard carbon electrodes.
- Mitigates Na dendrites via uniform current distribution (demonstrated >500 cycles at 1C).
Research-Grade Customization
- Surface treatments: Lithiophilic coatings (e.g., CuO nanoneedles) for hybrid Li/Na systems.
- Thickness variants: Sub-8μm Al foil for ultra-high-energy-density prototypes.

Applications

Semi-Solid-State Sodium Batteries: Lab-scale prototyping of 200+ Wh/kg cells.
Hybrid Electrodes: Dual-ion (Li⁺/Na⁺) battery research.
Dry Electrode Manufacturing: Solvent-free processing for SSSBs.

Storage: Dry environment (<30% RH) at 25°C.

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