The application of energy storage lithium battery packs in household energy storage and commercial energy storage. There are more and more applications of lithium battery packs in communication base station energy storage, household energy storage, and industrial and commercial energy storage. As a forward-looking technology to promote the development of the new energy industry in the future, the energy storage industry is used in different application scenarios such as new energy grid connection, electric vehicles, smart grids, microgrids, distributed energy systems, home energy storage systems, and power supply projects in areas without electricity. , Showing huge development potential, and the market prospect is very broad.
The energy storage system stores the unused or surplus electric energy through a certain specification of lithium battery pack, and then extracts and uses it at the peak of use, or transports it to a place where energy is scarce for reuse. The energy storage system covers household energy storage, communication energy storage, grid frequency modulation energy storage, wind and solar energy storage micro-grid energy storage, large-scale industrial and commercial distributed energy storage, data center energy storage, and photovoltaic power generation businesses in the new energy field. In addition, the energy storage system will partly carry the echelon application of some on-board power lithium battery packs in the future.
Application of energy storage lithium battery pack in household energy storage
Home energy storage battery systems are divided into solar home energy storage power supplies, multifunctional home energy storage battery systems, high-power energy storage power supplies, portable home energy storage batteries, outdoor home energy storage batteries, home energy storage power supplies, and 12V home energy storage power supplies. 24V household energy storage power supply, 48V household household energy storage battery. The customization of portable household energy storage lithium battery pack system is very flexible. The manufacturer of energy storage electrical portable household energy storage lithium battery can customize different voltages according to your needs.
Home energy storage systems are currently divided into two types, one is the grid-connected home energy storage system, and the other is the off-grid home energy storage system. Home energy storage lithium battery packs allow you to obtain safe, reliable and sustainable energy, and ultimately improve the quality of life. Household energy storage products can be installed in household energy storage lithium battery packs, whether in photovoltaic off-grid application scenarios, or even in households where photovoltaic systems are not installed.
Household energy storage lithium battery packs have a service life of more than 10 years, modular design, multiple energy storage units can be connected in parallel more flexibly, simple, fast, and greatly improve energy storage and utilization.
The grid-connected home energy storage system consists of five parts, including: solar cell array, grid-connected inverter, BMS management system, lithium battery pack, and AC load. The system adopts a mixed power supply of photovoltaic and energy storage systems. When the mains power is normal, the photovoltaic grid-connected system and the mains supply power to the load; when the mains power fails, the energy storage system and the photovoltaic grid-connected system are jointly powered.
The off-grid home energy storage system is independent and does not have any electrical connection to the grid. Therefore, the entire system does not need a grid-connected inverter, and the photovoltaic inverter can meet the requirements. Off-grid home energy storage systems are divided into three working modes. Mode 1: Photovoltaic provides energy storage and user electricity (sunny day); Mode 2: Photovoltaic and energy storage batteries provide user electricity (cloudy); Mode 3: Energy storage The battery provides electricity to the user (evening and rainy days).
Application of energy storage lithium battery pack in commercial energy storage
Energy storage technology is closely connected with new energy applications and the development of power grids, which can effectively improve energy efficiency and solve power supply problems in remote areas. Therefore, energy storage technology is a key technology that needs to be solved when solar and wind power generation becomes the main energy source, and it is a key link that cannot be bypassed in the development of new energy. Industry insiders believe that the future of energy storage batteries should lie in the wind power and photovoltaic industries, especially the wind power industry that has already been deployed in large numbers. Due to the instability of wind resources, the application of lithium battery pack energy storage technology can help wind farms to smooth out and "cut peaks and fill valleys."
●Microgrid
A small power generation and distribution system composed of distributed power sources, energy storage devices, energy conversion devices, loads, monitoring and protection devices, etc., is currently the main application of domestic energy storage lithium battery pack systems. Distributed power generation has the advantages of high energy efficiency, low pollution, high reliability, and flexible installation location, but at the same time, it has disadvantages such as strong output power fluctuation and complex control. In order to effectively integrate the advantages of distributed power generation, increase the utilization rate of renewable energy, and enhance the stability of the power grid, energy storage systems have received extensive attention from the energy community.
●New energy vehicle charging station
The charging station uses clean energy to supply power. After photovoltaic power generation, the electric energy is stored. The photovoltaic, energy storage and charging facilities form a micro-grid, which can intelligently interact with the public grid according to the demand, and can realize two different operation modes of grid-connected and off-grid . The use of energy storage systems can also alleviate the impact of charging piles on the regional power grid during high-current charging. The development of new energy vehicles is inseparable from the construction of charging infrastructure. The installation of supporting energy storage facilities will help improve the quality of local power grids and increase the site selection of charging stations.
●Wind power generation system
Considering the reality of grid operation and the long-term benefits of large-scale development of wind power, improving the controllability of the output power of wind farms is an important development direction of wind power technology at present. The introduction of wind power technology into the lithium battery pack energy storage system can effectively suppress wind power fluctuations, smooth the output voltage, improve power quality, ensure the grid-connected operation of wind power, and promote wind energy utilization.
●Communication field
At this stage, most of the lithium batteries used in the field of communication backup power supply are lithium iron phosphate battery packs. The backup power supply based on lithium battery packs can be widely used in indoor and blind area coverage, second and third types of city power areas, and short-term backup power. Scenarios that require high power supply weight, volume, cycle life, and magnification. In the era of big data, scenarios with limited space such as shared stations and central computer room expansion also gradually require the participation of lithium battery backup power.
In the future, JUNLEE Energy, which has been committed to battery research and development, is a challenge and an opportunity. The R&D team of engineers will provide the world with more economical new energy batteries, and will improve lithium-ion battery technology to reduce the total cost.
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