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Housing Can (or Pouch) Component – Computer, Electronic and Optical Product Manufacturing

Q: What is the difference between a housing can and a pouch?

A housing can is a rigid metal or plastic enclosure offering high mechanical strength and thermal conductivity, while a pouch is a flexible laminated polymer bag that allows for lightweight, compact designs and accommodates cell expansion.

Q: How do you ensure sealing integrity in housing cans?

Sealing integrity is achieved through precision welding (e.g., laser or resistance welding), gaskets, or crimping, followed by leak testing (e.g., helium mass spectrometry) to meet industry standards for hermeticity.

Component Specifications

Definition

A housing can or pouch is a critical component in cell housing assemblies, designed to contain and protect electrochemical cells (such as lithium-ion cells) from mechanical damage, moisture, and contaminants. It ensures proper alignment, thermal management, and electrical isolation while maintaining the structural integrity of the battery module. The housing can be rigid (metal or plastic) or flexible (pouch-type), depending on the application requirements, and includes features for venting, terminal connections, and mounting.

Working Principle

The housing can operates by enclosing the electrochemical cell stack, providing a sealed environment to prevent electrolyte leakage and external contamination. It maintains internal pressure, facilitates heat dissipation through conductive materials or thermal interfaces, and supports electrical connections via integrated terminals. In pouch designs, the flexible laminate allows for expansion during charge cycles while maintaining a hermetic seal.

Materials

Aluminum alloy (e.g., 3003 or 6061), stainless steel (e.g., 304 or 316), or multi-layer laminated polymer (for pouches, typically PET/AL/PP). Surface treatments may include anodizing, plating, or coating for corrosion resistance and insulation.

Technical Parameters

Dimensions Customizable per cell size (e.g., 18650, 21700, pouch dimensions)
Sealing Method Laser welding, crimping, or heat sealing
Wall Thickness 0.2-1.5 mm (metal) or 0.1-0.3 mm (pouch laminate)
Pressure Rating Up to 1.5 bar (for venting safety)
Electrical Insulation Dielectric strength > 1000 V
Operating Temperature -40°C to 85°C

Standards

ISO 12405-4, IEC 62660-2, UL 1642, DIN EN 62133

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Housing Can (or Pouch).

Parent Products

This component is used in the following industrial products

Cell Housing Assembly

The structural enclosure that contains and protects the internal components of a lithium-ion battery cell.

View Product Details

Engineering Analysis

Risks & Mitigation

Electrolyte leakage
Thermal runaway propagation
Mechanical deformation under pressure
Corrosion in humid environments
Electrical short circuits

FMEA Triads

Trigger: Improper welding or sealing
Failure: Loss of hermeticity leading to electrolyte leakage
Mitigation: Implement automated welding with real-time monitoring and post-process leak testing.

Trigger: Material fatigue or corrosion
Failure: Structural breach or electrical insulation failure
Mitigation: Use corrosion-resistant alloys or coatings and conduct regular material inspections.

Trigger: Overpressure from gas generation
Failure: Can rupture or pouch swelling
Mitigation: Integrate pressure relief vents and design with safety margins per standards.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

Dimensional tolerance ±0.1 mm for critical features; sealing surface flatness < 0.05 mm

Test Method

Leak testing per ISO 12405-4, pressure cycling per IEC 62660-2, and thermal shock testing per UL 1642.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the difference between a housing can and a pouch?

A housing can is a rigid metal or plastic enclosure offering high mechanical strength and thermal conductivity, while a pouch is a flexible laminated polymer bag that allows for lightweight, compact designs and accommodates cell expansion.

How do you ensure sealing integrity in housing cans?

Sealing integrity is achieved through precision welding (e.g., laser or resistance welding), gaskets, or crimping, followed by leak testing (e.g., helium mass spectrometry) to meet industry standards for hermeticity.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Housing Can (or Pouch)