Runhe Materials Enters the Immersion Cooling Fluid Industry

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  • November 29, 2024

In the current landscape of rapid advancements in various industries such as energy storage, communication, data centers, and renewable energy, effective thermal management has emerged as a critical challenge that needs urgent attentionAmong the various solutions being explored, liquid cooling technology stands out as an efficient method for heat dissipation, attracting significant interest from industry players.

Ruihe Materials, a company at the forefront of this technological wave, has introduced a comprehensive and integrated immersion cooling solutionThey have developed several immersion cooling liquids that can be utilized across multiple applications, including data centers, energy storage systems, electric vehicles, and electric scootersReports indicate that Ruihe's immersion cooling liquid has already reached mass production for energy storage scenariosAs liquid cooling technology gains traction and moves towards mass implementation, Ruihe's strategic positioning in the cooling liquid sector is poised for significant growth.

The era of large-scale commercialization of liquid cooling technologies is upon us.

From a technical perspective, many complex electronic products, which generate substantial heat, necessitate efficient cooling to ensure the operational environment remains adequate, allowing for proper functioning and longevity of the equipment

Thus, selecting the appropriate cooling components becomes paramount during the product design phase.

Currently, cooling technologies are primarily categorized into two types: air cooling and liquid coolingAir cooling is generally considered for applications with minimal heat dissipation needs, while liquid cooling is preferred for situations requiring more substantial heat managementWithin the realm of liquid cooling, technologies can be further divided into circulating water cooling and immersion cooling, based on specific cooling requirements and whether the cooling liquid is in direct contact with the heat source.

In the information technology sector, the explosion of AI hardware has dramatically increased the demand for computational power, which in turn has resulted in significant thermal management needsJensen Huang, the CEO of Nvidia, has emphasized that liquid cooling technology represents the future, promising to revolutionize the entire cooling market for high-performance computing.

Furthermore, Elon Musk, CEO of Tesla, recently announced through social media that their AI startup, xAI, has begun training on a supercluster based in Tennessee, consisting of 100,000 liquid-cooled H100 GPUs supplied by Nvidia

This highlights how leading global tech companies are not only pushing the boundaries of computational power but also innovating in liquid cooling technologies simultaneouslyMedia reports suggest that 2025 may mark a pivotal point for liquid cooling technology, facilitating a transition from early adoption to widespread use.

In the energy storage domain, immersion cooling technologies are also on the riseImmersion cooling systems are recognized as some of the safest energy storage solutions available today, capable of significantly enhancing the overall safety and economics of battery systemsThis ensures a better user experience and returns, leading to widespread acceptance of this technology.

Research data from CICC indicates that the global thermal management market for energy storage is projected to reach 18.5 billion yuan by 2025, with the immersion cooling market segment expected to hit 14.4 billion yuan

Notably, the compound annual growth rate (CAGR) for the period from 2021 to 2025 is anticipated to be a remarkable 98%.

In the burgeoning sector of new energy vehicles, battery cooling technologies face three critical challenges: safety risks in the battery cells, cooling efficiency, and maintaining consistent operating temperaturesThe introduction of full immersion liquid thermal management technology presents effective solutions to these pressing issuesImmersion cooling systems, as innovative thermal management solutions for power batteries, also unveil substantial development potential and promising market prospects.

Industry projections suggest that in the thermal management market for new energy vehicles, the market size in China reached 49.6 billion yuan in 2022, with the global market reaching 77.9 billion yuanBy 2025, it is expected that the thermal management market in China and globally will grow to 100.6 billion yuan and 151.2 billion yuan, respectively.

The entry into the immersion cooling liquid industry is on the rise.

Ruihe Materials specializes in deep-processing silicon products and secondary processing products, encompassing a variety of silicone oils

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Among these, cooling liquids have emerged as a significant application of siloxane and modified silicone oils, becoming a key focus of the company’s R&D and market strategies.

According to video material from Ruihe, the company has launched a triad of immersion cooling solutions tailored to liquid cooling technology:

The first category consists of cooling media, featuring ultra-low viscosity, high safety, and exceptional stabilityIn energy storage scenarios, Ruihe’s immersion cooling liquid has entered mass production and application, effectively addressing battery thermal runaway issues and ensuring lithium battery safety for energy storage devices, electric vehicles, and electric scooters.

The second category includes thermal interface materialsThe company offers thermally conductive greases and gels compatible with cooling media, such as RH-TSG-905 liquid metal thermal grease, which boasts a high thermal conductivity (>6W/mk) and exceptionally low thermal resistance

This unique Polymerin Liquid Metal structure aligns perfectly with immersion cooling setups.

The third category encompasses instant protective materials, which effectively isolate the cooling media from electronic componentsThe RH-CC-803 instant-drying protective coating shields liquids from electronic components without the need for light or heat cure, providing immediate all-around protection, high-temperature resistance, aging resistance, and high reliability while being energy-efficient and pollution-freeThis solution also saves space while enhancing thermal conductivity.

To date, Ruihe’s immersion cooling liquid has passed rigorous national safety tests for large-capacity lithium batteries, ensuring properties like “non-flammability and non-explosiveness,” capable of resisting direct flames up to 600°C without ignitingFurthermore, the thermal management performance validation indicates that utilizing this immersion solution can enhance battery cell cycle life from 3,000 cycles to 4,000 cycles, marking a 33% increase.

Reports confirm that Ruihe Materials' immersion cooling liquid has indeed achieved mass production and application across energy storage scenarios

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