"Liquid Cooling" Is in The Spotlight, How To Find A "good Energy Storage"?

In the past two years, the pace of introducing new energy storage products has accelerated significantly. In order to meet the challenges of energy storage safety and better performance, liquid-cooled energy storage has gradually become an industry trend since 2020. But in fact, liquid cooling technology is not "new" technology.
In lithium battery applications, the accumulation of heat generated by repeated charging and discharging of the battery may cause safety hazards such as fire and explosion. Battery thermal management has become the most important prevention and control technology to ensure stable operation of the battery. Among various temperature control methods, traditional natural heat dissipation cooling has been eliminated due to slow aging and poor effect, and air cooling technology is now commonly used. However, liquid cooling technology has become the first choice in the field of electric vehicles due to better cooling effect and more balanced temperature control. It has been widely used and is currently being transplanted into the energy storage field by various companies to continue to exude its charm.
Some analysts believe that air-cooled temperature control in the energy storage field will still account for 70% of the market share by the end of 2022, but by 2025, the market shares of liquid cooling and air cooling will be equally divided.

So how to evaluate a liquid-cooled energy storage product? We still need to return to the demand and value of energy storage.
Recently, the National Energy Administration issued the "Notice on Strengthening the Safety Management of Electrochemical Energy Storage Power Stations", making guarding the bottom line of safety a top priority for industry development. Liquid cooling products are regarded as "born for safety", and their safety protection technology is particularly worthy of discussion.

1) If the temperature difference is less than 2.5°C, battery disease will be proactively warned early
First of all, the focus of energy storage safety has gradually shifted from how to put out fires to how to prevent it, and early warning of battery thermal runaway has become key. As a temperature control product, the performance of liquid cooling is first reflected in the involution of temperature difference control. According to incomplete statistics, liquid-cooled energy storage systems currently on the market generally have temperature restrictions at the system level. Some products can achieve a temperature difference between battery clusters or modules within 3°C. The liquid-cooled energy storage system product recently released by Yintu Energy has Through the design of multi-stage variable diameter flow channels and micro-channel flow sharing, the temperature difference of the battery core is less than 2.5°C. It is the liquid-cooled energy storage product with the smallest temperature difference control currently on the market.

2) 100% arc recognition in milliseconds, safety superior to international authoritative standards
Secondly, after the battery undergoes thermal runaway or even catches fire, "time" is really "money", and slower disposal and rescue will bring more economic losses. There was a case of energy storage project catching fire in the United States. The rescuers did not adopt any countermeasures for fear of personal safety and allowed it to smolder for five days. If measures had been taken to cut off the fault as early as possible, some of the unaffected batteries might have been saved.
Yintu Energy’s new product does just that. With many years of professional experience in energy storage integration and 25 years of experience in power electronics technology, Yintu Energy's first arcing Al outlier detection algorithm in energy storage systems can 100% identify arcing in milliseconds and shut down in seconds, realizing proactive Safety protection; and in the connection between the battery and the PCS at all levels, Yintu Energy uses the dual-current breaking method of power electronics + electrical combination to achieve microsecond-level reliable breaking, improving the speed and accuracy of protection.

Of course, as the last barrier to energy storage safety, fire protection design is essential. Sungrow innovatively designed the battery compartment and the electrical compartment separately. The bulkhead can withstand fire for more than an hour, effectively avoiding the spread of fire and reducing fire losses. From the linkage at the cell level, battery cluster level, and system level, Yintu Energy's energy storage system design safety capabilities have exceeded authoritative global standards such as NFPA15, NFPA855, NFPA68, and NFPA69, becoming an industry benchmark.

3) Lower energy consumption, higher value, better LCOS
Finally, as the scale of energy storage system containers and energy storage power station projects is increasingly upgraded, the auxiliary power consumption of system operation will become a "snitch" that steals energy storage profits. As a product, especially as a more cost-sensitive energy storage product, cost, energy consumption control, and added value are the focus of liquid-cooled energy storage purchasers.