Structured Manufacturing Data (2026)

Photovoltaic Panel

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Photovoltaic Panel used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Photovoltaic Panel is characterized by the integration of Solar Cells and Tempered Glass Cover. In industrial production environments, manufacturers listed on CNFX commonly emphasize Monocrystalline Silicon construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A semiconductor device that converts sunlight directly into electrical energy through the photovoltaic effect.

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Product Specifications

Technical details and manufacturing context for Photovoltaic Panel

Definition
As a critical component of Outdoor Solar Bollards, the photovoltaic panel captures solar radiation and generates direct current (DC) electricity to power the bollard's LED lighting system. It serves as the primary energy source, enabling autonomous operation without grid connection.
Working Principle
When photons from sunlight strike the semiconductor material (typically silicon) in the photovoltaic cells, they dislodge electrons, creating an electric current. Multiple cells are connected in series and parallel within the panel to achieve the required voltage and current output.
Common Materials
Monocrystalline Silicon, Tempered Glass, EVA Encapsulant, Aluminum Frame
Technical Parameters
  • Rated power output under standard test conditions (STC: 1000W/m² irradiance, 25°C cell temperature, AM1.5 spectrum) (W) Customizable
Components / BOM
  • Solar Cells Part
    Convert sunlight into electrical energy through photovoltaic effect
    Material: Monocrystalline/Polycrystalline Silicon
  • Tempered Glass Cover Part
    Protects cells from environmental damage while allowing maximum light transmission
    Material: Low-Iron Tempered Glass
  • EVA Encapsulation Part
    Seals and protects solar cells from moisture and mechanical stress
    Material: Ethylene-Vinyl Acetate
  • Backsheet Part
    Provides electrical insulation and environmental protection on rear side
    Material: Polymer Composite
  • Junction Box
    Houses electrical connections and bypass diodes for safety
    Material: Plastic with Weatherproof Seal
  • Aluminum Frame Part
    Provides structural support and mounting points for installation
    Material: Anodized Aluminum Alloy

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Photovoltaic Panel.

Solar Panel PV Module monocrystalline silicon solar panel efficiency industrial photovoltaic panel installation guide tempered glass solar panel durability EVA encapsulation solar cell protection aluminum frame photovoltaic panel specifications

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Outdoor Solar Bollards
View system integration details
Solar Wall Lights
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Solar Table Lamps
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Solar Lampposts
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LED Solar Lights
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric pressure (no pressure rating required)
other spec: Irradiance range: 0-1500 W/m², Humidity: 0-100% RH (non-condensing), Wind load: Up to 2400 Pa
temperature: -40°C to +85°C (operational), -40°C to +90°C (storage)
Media Compatibility
✓ Direct sunlight exposure ✓ Grid-tied electrical systems ✓ Outdoor mounting structures (aluminum/steel)
Unsuitable: Submerged or high-saline spray environments (marine splash zones)
Sizing Data Required
  • Peak power requirement (kW)
  • Available installation area (m²)
  • Local solar irradiance data (kWh/m²/day)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Potential Induced Degradation (PID)
Cause: High voltage potential between panel frame and cells causing ion migration, electrolyte formation, and corrosion of cell metallization due to system grounding issues, moisture ingress, or poor panel quality.
Hot Spot Formation
Cause: Localized overheating from cell mismatch, shading, micro-cracks, or solder bond failures leading to thermal runaway, encapsulant browning, and permanent power loss.
Maintenance Indicators
  • Visible browning/yellowing of encapsulant or delamination indicating thermal degradation or moisture ingress
  • Audible cracking/popping sounds during thermal cycling signaling mechanical stress or solder joint failure
Engineering Tips
  • Implement regular infrared thermography surveys to detect hot spots before catastrophic failure, ensuring panels operate within ±5°C of average temperature
  • Use automatic cleaning systems with deionized water to prevent soiling losses while avoiding abrasive damage and ensuring proper drainage to minimize moisture-related failures

Compliance & Manufacturing Standards

Reference Standards
IEC 61215 (International Electrotechnical Commission standard for terrestrial photovoltaic module design qualification and type approval) UL 1703 (Underwriters Laboratories standard for flat-plate photovoltaic modules and panels) ISO 9001 (Quality management systems requirements for manufacturing processes)
Manufacturing Precision
  • Power output tolerance: +/- 3% (typical for standard efficiency panels)
  • Dimensions tolerance: +/- 2mm (for panel length/width specifications)
Quality Inspection
  • Electroluminescence testing (for detecting micro-cracks and defects in solar cells)
  • Damp heat testing (85°C/85% relative humidity for 1000 hours to verify long-term reliability)

Factories Producing Photovoltaic Panel

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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 typical efficiency range for monocrystalline silicon photovoltaic panels?

Monocrystalline silicon photovoltaic panels typically achieve 18-22% efficiency rates, making them among the most efficient commercial solar panels available for converting sunlight to electrical energy.

How does EVA encapsulation protect solar cells in photovoltaic panels?

EVA (ethylene-vinyl acetate) encapsulation provides a waterproof, UV-resistant barrier that protects solar cells from moisture, thermal stress, and environmental degradation while maintaining optical clarity for maximum light transmission.

What are the advantages of aluminum frames in industrial photovoltaic panels?

Aluminum frames provide structural rigidity, corrosion resistance, and lightweight durability while facilitating easy mounting and installation. They also offer excellent heat dissipation and long-term stability in various environmental conditions.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

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.

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