Energy Storage System (ESS)

An energy storage system is a system that stores electrical energy for use at a later time. The stored energy can be released back when there is a need of energy. This can be done on a small scale, such as in a home or business, or on a larger scale, such as in a grid-level energy storage system.

There are several reasons why stationary energy storage is useful:  

1. To smooth out fluctuations in energy demand: Energy storage systems can be used to store excess energy when demand is low and release it when demand is high, helping to smooth out fluctuations in energy demand.
2. To improve the reliability of the electricity grid: Energy storage systems can provide backup power in the event of a power outage, improving the reliability of the electricity grid.
3. To enable the integration of renewable energy sources: Energy storage systems can be used to store excess renewable energy, such as solar or wind power, and release it when needed, helping to increase the use of renewable energy sources.
4. To reduce greenhouse gas emissions: Energy storage systems can be used to store electricity generated from low-carbon or zero-emission sources, such as solar or wind power, helping to reduce greenhouse gas emissions.

There are several technologies that can be used for stationary energy storage, including lithium-ion batteries, lead-acid batteries, and pumped hydroelectric storage. The choice of technology depends on factors such as the size of the system, the required storage capacity, and the available space.

Why LIB for ESS?

There are several reasons why lithium-ion batteries are a popular choice for energy storage:  High energy density:

1. Lithium-ion batteries have a high energy density, which means that they can store a large amount of energy in a relatively small and lightweight package. This makes them well-suited for applications where space and weight are important considerations.
2. Relatively low self-discharge rate: Lithium-ion batteries have a relatively low self-discharge rate, meaning that they can hold a charge for a long time when not in use. This makes them well-suited for energy storage applications where the battery may not be discharged frequently.
3. Good cycle life: Lithium-ion batteries have a good cycle life, meaning that they can be charged and discharged many times before their performance begins to degrade. This makes them well-suited for energy storage applications where the battery may be charged and discharged frequently.
4. Low maintenance: Lithium-ion batteries require little maintenance, as they do not produce gasses during normal operation and do not need to be topped up with water.
5. Wide range of temperature tolerance: Lithium-ion batteries can operate over a wide range of temperatures, making them suitable for use in a variety of different environments.

Overall, the high energy density, low self-discharge rate, good cycle life, low maintenance, and wide range of temperature tolerance make lithium-ion batteries an attractive choice for energy storage applications.