N-type Silicon Solar Cell

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N-type Silicon Solar Cell
Details
Brand: 通威 TONGWEI
Higher conversion efficiency: Typically achieves 23%-26% efficiency, outperforming traditional P-type cells.​
Better temperature coefficient: Maintains stable performance even in high-temperature environments, reducing power loss.​
Excellent bifacial performance: Captures sunlight from both sides, increasing overall energy output.​
Reduced metal contamination impact: Intrinsic structure lowers efficiency loss from metal impurities in production.
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N-Type Solar Panels
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Description

Advanced Material Innovations

 

Our N-Type Silicon Solar Cell technology utilizes ultra-pure phosphorus-doped silicon with oxygen levels below 0.5ppma, effectively eliminating light- and temperature-related performance degradation (LID/LeTID). The proprietary quantum passivation layer combines Al₂O₃, SiNₓ, and TiO₂ in a nanoscale structure that cuts surface recombination losses to under 0.8% - significantly better than the 2-3% industry standard.

 

Performance Highlights

 

Achieves 27.1% conversion efficiency (verified under AM1.5G test conditions)

Delivers 92% bifacial energy gain when installed over reflective surfaces

Recovers from partial shading in just 0.1 milliseconds

Maintains stable operation across extreme temperatures (-50°C to 105°C)

 

Revolutionary Cell Architecture

 

The 3D interdigitated back contact design features laser-etched vertical channels that boost charge collection by 18% compared to conventional IBC cells. This advancement underscores why N-Type Silicon Solar Cell technology leads the industry. We've also developed graphene-enhanced contacts that replace 90% of the silver typically used, achieving an ultra-low contact resistance of just 0.6mΩ·cm².

 

Manufacturing Breakthroughs

 

Our production process incorporates:

● AI-optimized crystal growth that dynamically adjusts magnetic fields to keep oxygen impurities below 2ppma

● Plasma-based surface texturing that captures over 99% of light across the 300-1200nm spectrum

 

Specialized Solutions

 

For challenging environments, we offer:

  • Arctic-optimized versions with integrated heating to maintain 85%+ efficiency at -60°C
  • Space-grade modules radiation-hardened for 30-year orbital missions

Sustainable Production

  • The manufacturing system features:
  • 98% solvent recovery with zero liquid waste discharge
  • Fully recyclable design certified under Cradle-to-Cradle standards (99% material recovery rate)

Smart Integration Features

These cells support:

  • Built-in IoT monitoring for real-time performance tracking
  • Seamless integration with perovskite tandem configurations, potentially reaching 35%+ efficiency

 

Specification

 

Open-circuit voltage (Voc) [V]

STC

NOCT

Maximum power (Pmax) [W]

660

499.4

Operating voltage at maximum power point (Vmp) [V]

45.60

42.96

Short-circuit current (Isc) [A]

18.46

14.88

Test conditions

23.4%

Number of battery cells

156(6*26)

Dimensions

2384±2X1303±2×35mm

Battery type

Monocrystalline silicon

Framework

Anodized aluminum alloy frame

Weight

34.2kg

 

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