China Petroleum First Independent Solid-State Battery Energy Storage Station Commences Operation
On December 12, China Petroleum announced that its first independent solid-state battery energy storage station, with a capacity of 100 kW / 124 kWh, was successfully connected to the grid and began operation on December 4 at the Wangsan Station of the Third Oil Production Plant in the North China Oilfield. This also marks China Petroleum's first independent solid-state battery energy storage station.
According to the North China Oilfield's new energy system plan, the Third Oil Production Plant meticulously organized the on-site implementation of the project. The solid-state battery's energy density can reach 280 Wh/kg, and the energy storage cells are capable of withstanding puncture and gunshot tests without exploding or catching fire. They can also operate in extreme environments with temperatures as low as -40°C.
Official sources reveal that the energy storage station is designed as a prefabricated outdoor layout, consisting of one battery module and one integrated step-up module. It is designed for over 6,000 cycles and has a service life of over 10 years.
China Petroleum explained that the Wangsan Station currently operates 11 energy-consuming devices, including 5 oil wells and 2 water wells, with an annual electricity consumption of about 960,000 kWh. The station has also installed photovoltaic capacity of 479.6 kW, generating approximately 570,000 kWh annually.
After the solid-state battery energy storage station was put into operation, it uses two operating modes: green electricity charging and discharging, and oil field grid peak-valley arbitrage. The energy conversion efficiency of the storage battery exceeds 90%, and it is expected to supply over 6,000 kWh of electricity to the oil wells within the station each month.
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