🇫🇷 France — Advanced Manufacturing

Diaphragm High-Speed Coating Machine
Factory & Manufacturer in France

Precision-engineered diaphragm coating solutions designed for France's booming battery and new energy industry — delivering unmatched speed, uniformity, and efficiency.

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What Is a Diaphragm High-Speed Coating Machine?

The core technology driving next-generation battery safety and performance

⚡ Precision Coating at Industrial Scale

A Diaphragm High-Speed Coating Machine is a highly specialized piece of equipment used in lithium-ion battery manufacturing to apply a uniform functional coating layer onto the separator (diaphragm). This ceramic or polymer coating significantly enhances thermal stability, ionic conductivity, and puncture resistance — all critical for EV battery performance and safety.

Pengjin Technology's diaphragm coating solutions combine high-speed precision web handling with advanced slot-die or gravure coating heads, enabling production speeds exceeding 100 m/min while maintaining coating uniformity within ±2 μm. The machines integrate real-time vision inspection, tension control, and closed-loop feedback for zero-defect manufacturing.

High-speed production: up to 120 m/min continuous operation
Coating thickness uniformity: ±1–2 μm precision across full web width
Compatible with ceramic (Al₂O₃, PVDF), PVDF, and hybrid coatings
Integrated NMP solvent recovery system for eco-compliance
Closed-loop tension control for ultra-thin diaphragm substrates
CE-certified for European market compliance

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🏆 CE Certified Equipment 🇫🇷 France Market Ready ⚡ Up to 120 m/min Speed 🔋 EV Battery Grade ♻️ NMP Recovery Integrated

France's Battery Industry: A Rapidly Growing Market

Why France is becoming a leading hub for diaphragm coating technology investment in Europe

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Gigafactory Expansion in France

France is rapidly positioning itself as a European leader in battery cell manufacturing. ACC (Automotive Cells Company) — a joint venture between TotalEnergies, Stellantis, and Mercedes-Benz — is constructing a major gigafactory in Douvrin (Hauts-de-France), with planned capacity exceeding 40 GWh by 2030. This creates enormous demand for high-precision diaphragm coating machines.

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EV Manufacturing Boom

Renault, Stellantis, and Valeo are leading France's EV revolution. The French government's "France 2030" investment plan has committed over €30 billion to green industry transformation, with electric vehicles at the forefront. Every EV battery cell manufactured in France requires a high-quality coated diaphragm — making coating equipment suppliers a critical part of the supply chain.

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Green Energy Policy & Regulation

France's ambitious carbon neutrality goal by 2050, combined with EU Battery Regulation (EU 2023/1542), is pushing manufacturers toward cleaner, more efficient production processes. Diaphragm coating machines with integrated NMP solvent recovery systems are essential for compliance with strict VOC emission standards enforced by DREAL (France's regional environmental agencies).

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R&D & Innovation Ecosystem

France boasts world-class battery research institutions including CEA (Commissariat à l'Énergie Atomique), CNRS, and RS2E (French Network on Electrochemical Energy Storage). These institutions collaborate with manufacturers to develop next-generation solid-state and lithium-sulfur batteries — all requiring advanced separator coating technologies at the pilot and production scale.

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Energy Storage Applications

Beyond EVs, France's electricity grid transformation — driven by offshore wind, solar, and nuclear power modernization — is creating major demand for grid-scale energy storage systems (ESS). Large-format lithium-ion cells used in ESS require the highest-quality coated separators to ensure safety and 20+ year operational lifespan in demanding grid applications.

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Sino-European Industrial Cooperation

China-France industrial technology cooperation has deepened significantly, with French manufacturers increasingly sourcing advanced battery production equipment from leading Chinese manufacturers. Pengjin Technology has established European technical support networks to provide localized after-sales service, spare parts supply, and on-site commissioning for French and European clients.

Local Application Scenarios in France

Diaphragm high-speed coating machines powering France's most important industrial sectors

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Automotive Gigafactory — ACC Douvrin Plant

The ACC gigafactory in Douvrin-Billy-Berclau, northern France, represents one of Europe's most significant battery manufacturing investments. As this facility scales from pilot to full production, high-speed diaphragm coating lines become essential for producing NMC (nickel-manganese-cobalt) and LFP (lithium iron phosphate) battery separators at the rate of millions of units per day.

Pengjin Technology's diaphragm coating machines are engineered to handle both wet-process and dry-process separators, supporting the diverse chemistries planned for next-generation European EV batteries.

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Grid-Scale Energy Storage — Hauts-de-France & Île-de-France

France's transition to a decarbonized electrical grid requires massive deployment of battery energy storage systems (BESS). Industrial parks in Hauts-de-France and logistics hubs around Paris are deploying large-scale BESS units that rely on high-quality coated separators for safe, long-cycle operation.

Our coating machines produce PVDF-coated and ceramic-coated diaphragms specifically optimized for large-format prismatic and pouch cells used in stationary energy storage — ensuring thermal runaway resistance and 8,000+ cycle durability.

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Aerospace & Defense — Toulouse Aerospace Corridor

France's internationally renowned aerospace industry, centered in Toulouse (home of Airbus), is developing next-generation electric and hybrid-electric aircraft. These applications require ultra-high-performance battery cells with diaphragms coated to the most stringent aviation safety standards (EASA/DO-311A).

Pengjin Technology supplies specialized diaphragm coating equipment capable of producing ultra-thin, ultra-uniform coatings (5–15 μm) on high-performance substrates for aerospace-grade battery cells where weight, energy density, and safety are all paramount.

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Consumer Electronics & Medical Devices — Paris Tech Hub

France's vibrant startup ecosystem in Paris (Station F, Sorbonne innovation district) and Lyon is generating growing demand for small-format, high-energy-density lithium batteries for wearables, medical implants, and IoT devices. Compact diaphragm coating pilot lines from Pengjin Technology enable French R&D facilities and specialty manufacturers to produce differentiated, application-specific separator coatings at pilot and small-batch production scale.

Industry Trends: The Future of Diaphragm Coating Technology

Staying ahead of the curve in Europe's evolving battery manufacturing landscape

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AI-Driven Process Optimization

Machine learning algorithms are being integrated into coating machine control systems to predict and correct coating defects in real-time. AI-powered vision inspection can detect sub-micron coating anomalies at full production speed, dramatically reducing waste and improving yield — critical for the cost-sensitive European battery market.

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Solvent-Free Dry Coating Processes

The EU's increasingly stringent VOC and chemical regulation environment is accelerating the shift toward solvent-free dry coating technologies. France's chemical industry regulators have set ambitious targets for industrial solvent reduction, driving demand for next-generation coating machines capable of processing aqueous and dry-process coatings with equal precision.

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Solid-State Battery Preparation

As solid-state batteries move from laboratory to pilot production in France (with CEA and multiple startups leading the charge), coating machines must evolve to handle solid electrolyte and composite separator coating at industrial scale. Pengjin Technology is actively developing solid-state compatible coating platforms for the next generation of battery manufacturing.

About Pengjin Technology

Your Trusted Diaphragm Coating Machine Partner in France

Guangdong Pengjin Intelligent Equipment Co., Ltd. (referred to as "Pengjin Technology") is a national high-tech enterprise specializing in professional equipment solutions for the new energy recycling economy. We are proud to be a leading factory and manufacturer supplying advanced diaphragm high-speed coating machines to clients across France and the broader European market.

Our primary offerings include NMP recycling equipment, NMP distillation equipment, coating machines, and more. Committed to innovation, Pengjin Technology holds 13 invention patents and over 50 utility model patents. Our team of nearly 1,000 employees, with around 20% dedicated to research and development, ensures continuous technological advancement.

For French and European clients, we provide full lifecycle support including technical consultation, equipment customization to meet EU standards, on-site installation and commissioning, operator training, and long-term maintenance partnerships.

13⁺

Invention Patents

50⁺

Utility Models

1000⁺

Employees

10⁺

Years Experience

Corporate Philosophy

Welcome to learn more about us

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Philosophy

Innovative tech services for customer success and employee fulfillment

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Vision

Leading new energy intelligent manufacturing

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Mission

Driving the development of new energy circular economy

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Values

Honesty, pragmatism, pioneering spirit, pursuit of excellence

Chairman's Philosophy

With the rapid development of the lithium battery industry, the efficient use of resources and the steady improvement of efficiency are the top priority of enterprise operation and development. Pengjin Technology adheres to the corporate mission of "driving the development of new energy recycling economy with technology" and provides more perfect NMP solutions for the majority of lithium battery manufacturers and NMP manufacturers. On the road of circular economy, Pengjin team will take excellent steps, keep pace with time; work together for a win-win situation, and create a more efficient tomorrow.

Pengjin team will be committed to NMP recycling, NMP circular economy and other resource recycling economy, high-tech development economy, and take solid steps to promote the high-quality development of new energy and realize the green, circular and low-carbon development of industries.

As France and Europe accelerate their battery manufacturing capacity through landmark initiatives like the Douvrin gigafactory and the EU Battery Alliance, we at Pengjin Technology are committed to being a reliable long-term technology partner — bringing world-class diaphragm coating machine expertise and after-sales support directly to the French market.