Energy storage is the storing of some form of energy that can be drawn upon at a later time to perform some useful operation.

The following outline is provided as an overview of and topical guide to energy storage:

Types of energy storage[edit | edit source]

• Pumped-storage hydroelectricity
• Superconducting magnetic energy storage
• flow batteries
• Conventional batteries (e.g. rechargeable electricity storage system)
• Gas holder
• Grid energy storage
• Fuel cell and hydrogen technology
• Gravitational mass
• Capacitors (e.g. rechargeable electricity storage system)
• Electromagnetic mass
• Mainspring
• Thermal energy storage
• Solar chimney
• Compressed fluids (e.g. compressed air)
• flywheels
• Vacuum storage (in rush generation technology)

History of energy storage[edit | edit source]

Main article: History of energy storage

General energy storage concepts[edit | edit source]

1. Using a high density magnetic field. Energy ${\displaystyle E}$ in terms of magnetic field strength ${\displaystyle B}$ is

${\displaystyle E={\frac {1}{2}}B^{2}={\frac {1}{2}}Li^{2}}$

where ${\displaystyle L}$ is the inductance of the electromagnet and ${\displaystyle i}$ is the current.

Energy storage scholars[edit | edit source]

Leaders in energy storage[edit | edit source]

See also[edit | edit source]

• Topic outline of energy development
• List of energy topics

External links[edit | edit source]

• U.S. Dept of Energy - Energy Storage Systems Government research center on energy storage technology.

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