Recently, it was announced by the Hubei Provincial Department of Science and Technology that a new device capable of achieving “self-generation, self-storage, self-consumption, and self-regulation” of electrical energy was unveiled at Wuhan Institute of Technology. This device was developed through a collaboration between the university, Shanghai Electric Power Design Institute Co., Ltd., and Shenzhen Zhongdian Power Technology Co., Ltd.
The successful implementation of this integrated system signifies a new phase in the fusion of user-side energy storage with building energy systems. It also offers an innovative solution for major urban centers to achieve safe, efficient, and low-carbon energy transformation.
This system integrates three core functions: photovoltaic power generation, energy storage regulation, and flexible interconnection. By employing direct current flexible collaborative scheduling technology, it enhances the efficient utilization of clean energy and allows for flexible load responses. The core energy storage unit, the Junan zinc-bromine flow battery, provides safety assurance and long-lasting energy support for the integrated system. This battery technology has been jointly developed by Wuhan Institute of Technology and Hubei Junan Energy Storage Technology Co., Ltd., and is known for its inherent safety and long cycle life.
The Junan zinc-bromine flow battery utilizes an aqueous electrolyte, which is non-flammable and non-explosive, effectively eliminating the risk of thermal runaway. This feature allows large-capacity energy storage devices to be safely deployed in sensitive areas close to load centers, such as building basements and parking lots, thereby enhancing the flexibility of site selection and societal acceptance of energy storage devices. Additionally, the battery can be directly and efficiently connected to the direct current bus, eliminating multiple energy conversion stages and significantly improving the overall system efficiency.
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