recently, good news came from the field of energy storage technology: the 5kW sulfur iron flow battery energy storage system developed and manufactured by Shenzhen zhonghe energy storage technology co., ltd. has obtained the full performance test report issued by the authoritative third-party organization Beijing Jianheng certification center. the test performance has all reached the standard and successfully passed the on-site acceptance of Huaneng energy clearing institute, marking a key step on the road to commercial application of the technology.

According to the test report (No.: CGC-B-CNC-2026-202 A/0) issued by Jianheng Certification Center, this inspection is strictly based on T/HNSDCHYXH003-2024 "General Technical Conditions for Sulfur-Iron Flow Battery" and customer-specific test plan. After nearly 3 months of rigorous testing, the energy storage system has reached the design objectives in terms of rated power, rated energy, rated energy efficiency, energy retention rate and other key performance indicators.

As a new type of electrochemical energy storage technology, sulfur iron flow battery is coming to the fore with its unique advantages:

High safety: the electrolyte is aqueous solution, no risk of combustion and explosion, and extremely safe.

Low cost: The active substances sulfur and iron are abundant and inexpensive, and have great potential for cost reduction.

Long life: the active material is stable, the number of cycles is much higher than that of traditional batteries, and the operation and maintenance cost of the whole life cycle is reduced. This test has verified its good energy retention ability.

passing the third-party authoritative inspection and acceptance by Huaneng energy clearing institute this time is not only a high recognition of the technical strength of neutralization and energy storage, it has laid a solid foundation for the large-scale application of sulfur iron flow batteries in the field of energy storage. Next, Zhonghe Energy Storage will devote itself to the engineering amplification of this new energy storage technology, build a megawatt demonstration project, accumulate operation and maintenance experience for commercial promotion, and promote the widespread landing of this technology. In the future, Zhonghe Energy Storage will continue to devote itself to the research and development of low-cost, high-safety and long-life energy storage technologies, and at the same time work with industry partners to promote the iteration of long-term energy storage technologies, contributing a solid force for China to build a new power system and achieve the goal of "double carbon"