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    1810   KYG9830T1067


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Xiaomi Introduces Loop LiquidCool Technology – The Next Generation of Heat Dissipation

11/04/2021 | 09:42pm EST

Twice the cooling capability of conventional VC solutions, mass production aimed for H2 2022

Beijing, CHINA, November 5th, 2021 - Today, Global technology leader Xiaomi unveiled its latest breakthrough in heat dissipation - Loop LiquidCool Technology. Inspired by cooling solutions used in the aerospace industry, Loop LiquidCool Technology utilizes a capillary effect which draws liquid cooling agent to the heat source, vaporizes, and then disperses the heat efficiently towards a cooler area, until the agent condenses and is captured via a unidirectional closed looped channel. Compared to conventional vapor chambers solutions, this new technology has twice the cooling capabilities and ranks as the most efficient smartphone cooling solution. Xiaomi aims to bring Loop LiquidCool Technology to its products in H2 2022.

Loop LiquidCool Technology

This new technology features an annular heat pipe system that is composed of an evaporator, a condenser, a refill chamber, as well as gas and liquid pipes. Placed at heat sources, the evaporator has refrigerant that evaporates to gas when the smartphone is under high workload. The gas and the airflow is then diffused to the condenser, where the gas condenses into liquid again. These liquids are absorbed and collected through tiny fibers in the refill chamber-which refills the evaporator-making it a self-sustaining system.

Although this new technology uses the same method as VC liquid cooling, the new form factor makes a significant efficiency difference. As conventional VC systems do not have separate channels for gases and liquids, hot gas and cool liquids mix and obstruct each other while, especially under high workload. The ring-shaped pump features a special gas pipe design, which greatly reduces air passage resistance by 30%. By allowing for a smoother steam flow, the maximum heat transfer capacity is increased by up to 100%.

One-way circulation is key to heat dissipation

To ensure one-way high-efficiency circulation, implementing a Tesla valve structure within the refill chamber is crucial. A Tesla valve is a one-way valve that allow liquid to pass through the evaporator, while blocking gases from moving in the incorrect direction. This allows for a higher efficiency in gas/liquid circulation throughout the system.

On a custom Xiaomi MIX 4, the original vapor chamber was replaced with a new Loop LiquidCool Technology solution. During a 30-minute Genshin Impact gameplay test running 60fps max video settings, this impressive cooling system kept the device below a max temperature of 47.7℃ and the processor was 8.6℃ lower than the standard version.

Thanks to the one-way circulation, gas-liquid separation, and low heat-resistance gas pipes of the Tesla valve, the flexible form factor also make its possible to adopt and stack Loop LiquidCool Technology into any type of internal design. For example, a square-shaped loop will allow more space for the battery, camera module, and more.


About Xiaomi Corporation
Xiaomi Corporation was founded in April 2010 and listed on the Main Board of the Hong Kong Stock Exchange on July 9, 2018 (1810.HK). Xiaomi is a consumer electronics and smart manufacturing company with smartphones and smart hardware connected by an IoT platform at its core.

Embracing our vision of "Make friends with users and be the coolest company in the users' hearts", Xiaomi continuously pursues innovations, high-quality user experience and operational efficiency. The company relentlessly builds amazing products with honest prices to let everyone in the world enjoy a better life through innovative technology.

Xiaomi is one of the world's leading smartphone companies. The company's market share in terms of smartphone shipments ranked No. 3 globally in the third quarter of 2021. The company has also established the world's leading consumer AIoT (AI+IoT) platform, with 374.5 million smart devices connected to its platform as of June 30, 2021, excluding smartphones and laptops. Xiaomi products are present in more than 100 countries and regions around the world. In August 2021, the company made the Fortune Global 500 list for the third time, ranking 338th, up 84 places compared to 2020.

Xiaomi is a constituent of the Hang Seng Index, Hang Seng China Enterprises Index, Hang Seng TECH Index and Hang Seng China 50 Index.


Xiaomi Corporation published this content on 05 November 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 05 November 2021 02:41:04 UTC.

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