Category: Trumony

What Is a Battery Cooling System?

A battery cooling system is a critical component of battery thermal management systems (BTMS), designed to regulate and maintain the temperature of lithium-ion batteries used in electric vehicles (EVs), energy storage systems (ESS), and other high-power applications.

During charging and discharging cycles, lithium-ion batteries continuously generate heat due to electrochemical reactions and internal resistance. If excessive heat accumulates, the battery temperature may exceed the optimal operating range, leading to reduced performance, accelerated aging, shorter cycle life, and potential safety risks such as thermal runaway.

Therefore, an efficient battery cooling solution is essential to ensure battery packs operate safely, reliably, and efficiently under various working conditions.

Common Types of Battery Cooling Methods

Battery cooling technologies mainly include air cooling, liquid cooling, and phase change cooling. Each method has different advantages depending on the application requirements, power density, and thermal management demands.

1. Air Cooling System

Air cooling uses fans or natural airflow to remove heat generated by battery cells. Due to its simple structure, low cost, and easy maintenance, air cooling is commonly applied in low-power battery systems and early-generation electric vehicles.

However, as battery energy density and charging speed continue to increase, air cooling faces limitations in cooling efficiency and temperature uniformity, especially for large battery packs.

2. Liquid Cooling System

Liquid cooling is currently one of the most widely adopted battery thermal management solutions for electric vehicles and large-scale energy storage systems.

By circulating coolant through battery cooling plates, cooling tubes, or integrated thermal management modules, liquid cooling systems can efficiently transfer heat away from battery cells and maintain a more consistent temperature distribution.

Compared with air cooling, liquid cooling provides:

· Higher heat transfer efficiency

· Better temperature uniformity

· Improved battery performance under high-power operation

· Stronger adaptability for high-energy-density battery packs

For EV batteries and commercial energy storage applications, liquid cooling has become the preferred thermal management solution.

3. Phase Change Cooling System

Phase change cooling utilizes materials that absorb or release heat during phase transitions. This technology can provide stable thermal regulation without continuous energy consumption.

It is often combined with other cooling methods to improve temperature control and reduce peak heat loads in advanced battery applications.

Why Battery Cooling Systems Are Important

An effective battery cooling system provides several key benefits for battery performance and safety.

1. Maintaining Optimal Battery Temperature

Lithium-ion batteries typically operate most efficiently within a specific temperature range. A well-designed cooling system helps maintain battery cells within the ideal thermal window, ensuring stable charging and discharging performance.

2. Improving Battery Life

Uneven temperature distribution between battery cells can accelerate capacity degradation and cause inconsistent aging. Advanced thermal management solutions reduce temperature differences across the battery pack, helping extend battery cycle life and maintain long-term reliability.

3. Enhancing Battery Safety

Excessive heat is one of the major factors contributing to thermal runaway. Efficient cooling systems help prevent overheating, reduce thermal risks, and improve the overall safety of EVs and energy storage systems.

The Future Development of Battery Cooling Technology

With the rapid growth of electric vehicles and renewable energy storage, battery systems are moving toward higher energy density, faster charging speeds, and larger capacities. These trends create increasing challenges for battery thermal management.

Future battery cooling systems will focus on:

· Higher cooling efficiency

· Lightweight and compact designs

· Intelligent temperature monitoring and control

· Integration with battery management systems (BMS)

· Customized thermal solutions for different applications

Among various technologies, advanced liquid cooling solutions, especially aluminum battery cooling plates and integrated thermal management components, are expected to play an increasingly important role in next-generation battery systems.

Conclusion

A reliable battery cooling system is essential for maximizing battery performance, extending service life, and ensuring operational safety. From electric vehicles to large-scale energy storage systems, efficient thermal management has become a fundamental requirement for the continued development of the new energy industry.

As battery technology continues to evolve, innovative cooling solutions will remain a key factor in achieving safer, more efficient, and more sustainable energy applications.

As electric vehicles and energy storage systems continue to expand worldwide, efficient battery thermal management has become essential for safety, performance, and service life. Choosing an experienced battery cold plate manufacturer can significantly improve the reliability of battery packs while reducing overall system costs.

With more than 18 years of manufacturing experience, Trumony Aluminum Limited provides customized liquid cooling solutions for EV batteries, commercial energy storage systems (ESS), industrial equipment, and portable power applications. We combine engineering expertise, advanced manufacturing, and flexible production to support customers from prototype development to mass production.

18 Years of Manufacturing Experience

Founded in 2006, Trumony operates a modern 100,000 m² manufacturing facility equipped with automated stamping, vacuum brazing, friction stir welding (FSW), CNC machining, and comprehensive inspection systems. Certified to IATF 16949 and ISO 9001, we maintain automotive-level quality standards throughout the production process.

Our experienced thermal engineering team provides complete technical support, including:

· Thermal simulation

· Cooling channel optimization

· DFM (Design for Manufacturing)

· Rapid prototype development

· Engineering validation

Depending on project complexity, prototypes can typically be completed within 3–5 weeks, helping customers accelerate product development.

Comprehensive Battery Cold Plate Solutions

Unlike manufacturers that specialize in only one production process, Trumony offers multiple cold plate technologies to meet different battery designs and performance requirements, including:

· Stamped brazed cold plates

· Roll-bond cold plates

· Serpentine tube cooling plates

· Friction stir welded cold plates

Our products are compatible with prismatic, cylindrical, and pouch battery cells, serving applications such as:

· Electric vehicles (EV)

· Commercial vehicles

· Battery Energy Storage Systems (BESS)

· Industrial batteries

· Portable energy storage systems

This broad manufacturing capability allows customers to select the most suitable solution based on thermal performance, cost, and production volume.

Custom OEM & ODM Manufacturing

Every battery pack has unique cooling requirements. Trumony provides complete OEM and ODM services, allowing customers to customize:

· Cold plate dimensions

· Internal coolant flow channels

· Inlet and outlet connections

· Surface insulation coatings

· Material thickness

· Mounting structures

Whether you require a small prototype batch or high-volume production, our flexible manufacturing system supports projects at every development stage.

Designed for Reliable Thermal Performance

Our cold plates are primarily manufactured from high-quality 3003 aluminum alloy, offering excellent thermal conductivity, lightweight construction, and corrosion resistance.

Optimized coolant channel designs help improve temperature uniformity across battery cells, reducing temperature differences by 30–50% under appropriate operating conditions. More consistent cooling contributes to improved battery performance, enhanced safety, and longer service life.

Each product undergoes rigorous testing before shipment, including pressure testing, helium leak testing (when required), dimensional inspection, and quality verification to ensure consistent performance.

Stable Production Capacity for Global Supply

Trumony maintains an annual production capacity of approximately 600,000 battery cold plates, supported by mature supply chain management and efficient international logistics.

Our products are exported to customers across:

· Europe

· North America

· Southeast Asia

· The Middle East

· Australia

We work closely with battery manufacturers, EV suppliers, and energy storage system integrators worldwide, providing responsive technical support throughout the product lifecycle.

Why Choose Trumony Aluminum Limited?

Choosing the right thermal management partner is about more than purchasing a component. It means working with a manufacturer capable of supporting your product from concept to mass production.

Key advantages include:

· 18+ years of aluminum thermal management experience

· Automotive-certified manufacturing system

· Multiple cold plate manufacturing technologies

· OEM & ODM customization

· Rapid prototyping within 3–5 weeks

· Stable annual production capacity of 600,000 units

· Professional thermal engineering support

· Global export experience and responsive after-sales service

Partner with Trumony

As battery technologies continue to evolve, efficient liquid cooling solutions will remain critical to system performance and safety. Trumony Aluminum Limited is committed to helping global customers develop reliable, high-performance battery cooling solutions through advanced engineering, strict quality control, and flexible manufacturing.

Whether you are developing a new EV battery pack, an energy storage system, or another liquid-cooled application, our engineering team is ready to support your project from design to production. Contact Trumony today to discuss your custom battery cold plate requirements.

As energy storage systems continue to grow in capacity and power density, effective battery thermal management has become essential for ensuring safety, efficiency, and long-term reliability. The 104S ESS Cooling Plate is specifically engineered for 104S battery modules used in utility-scale and commercial energy storage systems, providing efficient liquid cooling that helps maintain consistent battery temperatures under demanding operating conditions.

Designed for Large-Scale ESS Applications

The 104S cooling plate is developed for high-voltage lithium battery packs commonly deployed in containerized energy storage systems. During continuous charging and discharging, battery cells generate significant heat. Without effective thermal management, temperature gradients can accelerate cell aging, reduce system efficiency, and increase safety risks.

By circulating a water-glycol coolant through optimized internal flow channels, the cooling plate efficiently transfers heat away from battery cells, helping maintain a more uniform temperature distribution throughout the battery module.

High-Performance Aluminum Construction

Manufactured from high-quality aluminum alloy with excellent thermal conductivity, the cooling plate combines lightweight construction with outstanding heat transfer performance. Depending on project requirements, it can be produced using advanced manufacturing processes such as extrusion, friction stir welding (FSW), laser welding, or TIG welding, ensuring structural integrity and long-term leak resistance.

The optimized coolant channel design minimizes pressure drop while maximizing heat exchange efficiency, reducing the workload of the cooling circulation system and contributing to improved overall energy efficiency.

Engineered for Reliability

Designed for demanding ESS environments, the 104S cooling plate offers:

· Efficient and uniform battery cooling

· Excellent thermal conductivity

· Lightweight aluminum structure

· High leak-tightness and mechanical strength

· Corrosion-resistant surface treatment for outdoor applications

· Compatibility with standard 104S battery module designs

· Easy integration into containerized ESS systems

The cooling plate is suitable for operation in various climates, including high-temperature, high-humidity, and coastal environments.

Applications

The 104S ESS Cooling Plate is widely used in:

· Utility-scale Battery Energy Storage Systems (BESS)

· Renewable energy storage for solar and wind power

· Commercial and industrial energy storage

· Grid frequency regulation

· Peak shaving and load shifting

· Emergency backup power systems

Supporting Safe and Efficient Battery Operation

Maintaining an optimal battery operating temperature is critical for maximizing system performance and extending battery service life. The 104S cooling plate helps reduce temperature variation across battery cells, improving thermal consistency and supporting stable battery operation under varying load conditions.

Leveraging extensive experience in aluminum thermal management solutions, Trumony Aluminum provides customized liquid cooling plates designed to meet diverse ESS requirements. From product design and thermal simulation to prototype development and mass production, we deliver reliable thermal management solutions that help customers build safer, more efficient, and more durable energy storage systems.

Founded in 2017and headquartered in Suzhou, China, Trumony Aluminum Limited stands as a preeminent manufacturer of high-performance battery cold plates, empowering the global transition to electric vehicles (EVs) and energy storage systems (ESS). The company has established end-to-end vertical integration capabilities, delivering reliable liquid cooling solutions to 56 countries worldwide.

Trumony’s core strength lies in its advanced aluminum-based liquid cooling technologies, including micro-channel cold plates, snake tube cooling systems, and stamped cold plates. Crafted from premium 3003 aluminum alloys, these products achieve thermal resistance as low as 0.07 K/W and enhance heat transfer efficiency by 25% , maintaining optimal battery temperatures (20–35°C) to extend lifespan by 20% and boost charging performance. The company’s customizable offerings cater to diverse battery formats—from cylindrical 4680/21700 cells to prismatic and pouch packs—with maximum product dimensions reaching 1.3×2.3 meters for heavy-duty applications.

Rigorous quality control, including air leak and insulation resistance tests, ensures compliance with ISO 9001 and IATF 16949 standards. Trumony’s competitive edge is further reinforced by rapid prototyping (7-day turnaround), in-house CFD thermal simulation, and collaborative R&D with institutions like Shanghai Jiao Tong University. Key innovations include CTP/CTC integrated designs and data-driven smart thermal management, aligning with industry demands for lightweight and space-efficient solutions.

Boasting annual revenue of $30–35 million (30–40% from exports), Trumony partners with global OEMs including BMW and Tesla, serving EVs, commercial trucks, and large-scale ESS containers. As the industry grows at a 17.0–20.3% CAGR, the company continues to lead through sustainable materials, flexible customization, and global supply chain resilience—solidifying its role as a trusted enabler of next-generation battery thermal management.

From May 27 to 29, 2026, Trumony Aluminum Limited successfully participated in the SNEC PV+ International Energy Storage and Battery Technology Conference & Exhibition held in Shanghai, China.

As one of the most influential events in the renewable energy and energy storage industries, SNEC attracted industry professionals, technology innovators, and business partners from around the world. During the exhibition, Trumony showcased its latest thermal management solutions for Energy Storage Systems (ESS) and Electric Vehicles (EV), including liquid cooling plates, liquid cooling components, battery thermal management materials, and integrated cooling solutions.

Throughout the exhibition, Trumony’s booth welcomed numerous visitors from Europe, North America, Southeast Asia, the Middle East, and other regions. Our team engaged in in-depth discussions with customers, industry experts, and potential partners regarding thermal management challenges, system efficiency optimization, product customization, and future market trends.

During the event, Trumony team met with several key customers to exchange insights on emerging energy storage technologies and explore future cooperation opportunities. These face-to-face communications further strengthened mutual understanding and laid a solid foundation for long-term collaboration.

As a company dedicated to thermal management solutions for new energy vehicles and electrochemical energy storage systems, Trumony remains committed to providing customers with high-performance liquid cooling products and comprehensive engineering support. Through continuous innovation and close cooperation with global partners, we strive to contribute to the development of safer, more efficient, and more sustainable energy systems.

We would like to express our sincere gratitude to all customers, partners, and visitors who visited our booth during SNEC 2026. We look forward to continuing our cooperation and creating greater value together.

For more information about Trumony’s thermal management solutions, please contact our team or visit our website.

Designed for High-Power Thermal Management

The 280 cooling plate is a critical thermal management component widely used in energy storage systems (ESS), industrial power electronics, and high-performance electronic equipment. Commonly designed for battery systems utilizing 280Ah cells, it plays a vital role in maintaining temperature uniformity, enhancing system efficiency, and ensuring operational safety. With increasing power density in modern energy storage applications, efficient liquid cooling solutions have become essential for long-term reliability and performance.

Key Component in Energy Storage Systems

Within an ESS liquid cooling architecture, the cooling plate serves as the primary heat transfer interface between battery cells and the coolant loop. By continuously removing heat generated during charging and discharging cycles, it helps maintain optimal operating temperatures and minimizes temperature differences across the battery pack.

Manufactured from high-thermal-conductivity aluminum alloys such as AL3003, 280 cooling plates are typically produced through advanced stamping and brazing processes. Optimized internal flow channel designs improve heat exchange efficiency while reducing pressure drop. These features help maintain consistent cell temperatures, improve battery lifespan, and reduce the risk of thermal runaway.

High Cooling Performance and Safety Protection

A well-designed 280 cooling plate can effectively manage the thermal load of large-format lithium iron phosphate (LFP) battery modules. Combined with an appropriate coolant circulation system, it provides efficient heat dissipation while maintaining excellent temperature uniformity across the battery pack.

In addition to thermal performance, electrical safety is a critical consideration. Advanced surface treatments and insulation designs help achieve low electrical conductivity, reducing the possibility of electrical faults and enhancing overall system safety. This combination of cooling efficiency and electrical protection makes the 280 cooling plate an indispensable component in modern ESS applications.

Applications Beyond Energy Storage

The advantages of the 280 cooling plate extend beyond battery energy storage. Similar liquid cooling technologies are widely adopted in industrial drives, power conversion systems, charging infrastructure, and other high-power electronic equipment where thermal stability directly impacts performance and reliability.

By efficiently transferring heat away from critical components, cooling plates enable equipment to operate reliably in demanding environments, including high ambient temperatures, dusty conditions, and continuous-duty applications.

Supporting the Future of Energy Storage

As energy storage systems continue to increase in capacity and power density, the demand for advanced thermal management solutions will continue to grow. The 280 cooling plate addresses these challenges through customized designs, efficient heat transfer capabilities, and robust safety performance.

With its ability to improve battery performance, extend service life, and enhance system reliability, the 280 cooling plate remains a cornerstone technology for next-generation energy storage and high-power electronic applications.

Advanced Liquid Cooling Solution for ESS Battery Packs

In modern energy storage systems (ESS), stable battery temperature control is critical for operational safety, system efficiency, and long-term reliability. The 314 cold plate is specifically designed for 314 battery cell configurations and provides an efficient liquid cooling solution for large-scale ESS battery packs.

Developed with both 52S and 104S configuration solutions, the 314 cold plate helps maintain uniform temperature distribution across battery modules, reducing thermal imbalance and supporting stable system operation under high charging and discharging conditions.

High-Performance Stamping and Brazing Structure

The 314 cold plate is manufactured using a stamping and brazing process, combining excellent structural strength with efficient heat transfer performance. Compared with conventional cooling structures, the optimized internal flow channel design improves coolant distribution while maintaining reliable mechanical integrity for long-term ESS operation.

This mature manufacturing process also enables:

• High production consistency

• Stable leak-proof performance

• Excellent pressure resistance

• Cost-effective large-scale manufacturing capability

The brazed aluminum structure delivers strong thermal conductivity while ensuring lightweight performance, making it suitable for demanding energy storage applications.

Optimized for Energy Storage Battery Thermal Management

Designed specifically for ESS liquid cooling applications, the 314 cold plate effectively controls battery temperature rise during continuous operation, helping improve:

• Battery safety and thermal stability

• Charge and discharge efficiency

• Battery cycle life

• Overall system reliability

Uniform thermal management also helps reduce the risk of localized overheating and thermal runaway, which is essential for large-capacity energy storage systems.

Flexible 52S and 104S Platform Solutions

To meet different ESS integration requirements, Trumony provides both 52S and 104S cold plate solutions based on the 314 cell platform. The adaptable design supports multiple battery pack layouts and enables efficient customization according to customer project requirements.

This flexibility helps shorten development cycles while supporting faster project validation and mass production implementation.

Reliable Performance for Long-Term ESS Operation

The 314 cold plate undergoes strict quality inspection and leak testing to ensure stable long-term operation in demanding ESS environments. Its robust stamped-brazed structure offers dependable sealing performance and durability throughout the battery system lifecycle.

As energy storage systems continue to scale toward higher capacity and higher power density, the 314 cold plate provides a reliable and efficient thermal management solution that supports safer and more stable ESS operation.

Efficient Thermal Management for Modern ESS Applications

The 587 cooling plate developed by Trumony Aluminum Limited is a high-performance aluminum liquid cooling component specifically engineered for Energy Storage System (ESS) battery packs and other high-power electronic applications. Leveraging extensive expertise in aluminum thermal management technologies, Trumony combines advanced material engineering with precision manufacturing to deliver reliable and efficient cooling performance for demanding operating conditions.

High-Quality Aluminum Structure with Superior Heat Dissipation

Manufactured from premium aluminum alloys such as 3003, the 587 cooling plate achieves an excellent balance between lightweight construction, structural strength, and corrosion resistance. Its optimized internal coolant channel design significantly improves coolant distribution and thermal exchange efficiency, enabling rapid heat transfer away from battery cells and electronic components. By maintaining stable temperature uniformity across the battery pack, the cooling plate effectively reduces localized overheating and minimizes thermal runaway risks, thereby improving battery safety, operational stability, and service life. To accommodate diverse project requirements, Trumony provides customized solutions for coolant inlet and outlet structures, channel layouts, insulation coatings, and thermal interface integration. This flexibility allows customers to optimize system integration while accelerating project development and validation processes.

Reliable Manufacturing and Strict Quality Assurance

Every 587 cooling plate undergoes comprehensive quality inspection and performance verification prior to delivery. Advanced testing procedures, including helium leak detection, pressure resistance testing, thermal performance validation, and dimensional inspection, ensure consistent product reliability and long-term operational safety. Manufactured in accordance with international standards such as CE, ISO, RoHS, and UL requirements, the cooling plates are suitable for global market applications. Supported by in-house research and development, precision stamping, brazing, and CNC machining capabilities, Trumony Aluminum Limited is able to efficiently support both prototype development and large-scale mass production projects.

Ideal Solution for ESS and High-Power Applications

As battery energy density and charging power continue to increase, efficient thermal management has become increasingly critical for the safety and reliability of modern energy systems. The 587 cooling plate reflects Trumony’s advanced expertise in liquid cooling technology by combining efficient heat dissipation, lightweight aluminum construction, excellent durability, and flexible customization capability into a single solution. Its stable thermal performance and robust manufacturing quality make it an ideal choice for energy storage systems and various other high-power electronic applications worldwide.