HOME / Compressed air energy storage patent

Compressed air energy storage patent

Compressed air energy storage in integrated energy systems: A

An integration of compressed air and thermochemical energy storage with SOFC and GT was proposed by Zhong et al. [134]. An optimal RTE and COE of 89.76% and 126.48 $/MWh was reported for the hybrid system, respectively. Zhang et al. [135] also achieved 17.07% overall efficiency improvement by coupling CAES to SOFC, GT, and ORC hybrid system.

Systems and methods for efficient two-phase heat transfer in compressed

@article{osti_1532111, title = {Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems}, author = {McBride, Troy O. and Bollinger, Benjamin R. and Bessette, Jon and Bell, Alexander and Kepshire, Dax and La Ven, Arne and Rauwerdink, Adam}, abstractNote = {In various embodiments, foam is compressed

US7281371B1

A compressed air pumped hydro energy storage and distribution system includes a first reservoir of water and a second reservoir of air and water. An air pressure source, connected to the second reservoir, develops a pressure head in the second reservoir. While in accordance with the patent statutes only the best mode and preferred

Compressed air energy storage systems: Components and

Compressed air energy storage systems may be efficient in storing unused energy, but large-scale applications have greater heat losses because the compression of air creates heat, meaning expansion is used to ensure the heat is removed [[46], [47]]. Expansion entails a change in the shape of the material due to a change in temperature.

Advanced Compressed Air Energy Storage Systems:

Compressed air energy storage (CAES) is an effective solution for balancing this mismatch and therefore is suitable for use in future electrical systems to achieve a high penetration of renewable energy generation. This study introduces recent progress in CAES, mainly advanced CAES, which is a clean energy technology that eliminates the use of

Increased power in compressed-gas energy storage and

In various embodiments, energy is stored or recovered via super-atmospheric compression and/or expansion of gas in conjunction with substantially adiabatic compression and/or expansion from or to atmospheric pressure.

Compressed air storage: Opportunities and sustainability issues

Compressed air energy storage is a promising technique due to its efficiency, cleanliness, long life, and low cost. This paper reviews CAES technologies and seeks to demonstrate CAES''s models, fundamentals, operating modes, and classifications. Application perspectives are described to promote the popularisation of CAES in the energy internet

SustainX earns patent for isothermal compressed air energy storage

Keeping the air at a constant temperature during compression, storage, and expansion yields a more efficient storage cycle. The new patent covers the use of a liquid spray injected into air continuously during compression or expansion and solidifies SustainX''s position as a leader in the field of compressed-air energy storage.

Systems and methods for efficient two-phase heat transfer in compressed

Patent: Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems patent: July 2000: Compressed Air Energy Storage System Utilizing Two-Phase Flow to Facilitate Heat Exchange. Fong, Danielle A.; Crane, Stephen E.; Berlin, JR., Edwin P.

Hybrid compressed air energy storage system

A hybrid compressed air energy storage system is provided. A heat exchanger 114 extracts thermal energy from a compressed air to generate a cooled compressed air stored in an air storage reservoir 120, e.g., a cavern. A heat exchanger 124 transfers thermal energy generated by a carbon-neutral thermal energy source 130 to cooled compressed air conveyed from

High-efficiency heat exchange in compressed-gas energy storage

@article{osti_1531902, title = {High-efficiency heat exchange in compressed-gas energy storage systems}, author = {Bollinger, Benjamin and Magari, Patrick and McBride, Troy O.}, abstractNote = {In various embodiments, efficiency of energy storage and recovery systems employing compressed air and liquid heat exchange is improved via control of the system

Compressed air energy storage system

Compressed air energy storage means the use of the dump energy of an electric power system at the valley load wherein a motor drives an air compressor 102 to compress air into an air storage chamber 104, for example, a closed large-capacity underground cave, and thus non-storable electric energy is converted into storable barometric potential energy of compressed air and

Thermodynamic investigation of quasi-isothermal air compression

The compressed air energy storage system (CAES) is one of the most promising technologies of the field of smart grid and poly-generation in the near future [4], Four patents related to storage system based on liquid piston and scroll compressor/expander technology have been filed [19]. Enairys Powertech first non-commercial prototype was

( 19 ) United States ( 12 ) Patent Application Publication ( 10 )

pressed air to generate a cooled compressed air stored in an air storage reservoir 120, e.g., a cavern . A heat exchanger 124 transfers thermal energy generated by a carbon - neutral thermal energy source 130 to cooled compressed air con veyed from reservoir 120 to generate a heated compressed air . An expander 140 is solely responsive to the

Increased power in compressed-gas energy storage and

Thermal energy storage system using compressed air energy and/or chilled water from desalination processes patent-application, October 2007 Enis, Ben M.; Lieberman, Paul US Patent Application 11/585023; 20070234749

(19) United States (12) Patent Application Publication (10)

(12) Patent Application Publication (10) Pub. No.: US 2011/0094212 A1 Ast et al. (43) Pub. Date: Apr. 28, 2011 (54) COMPRESSED AIR ENERGY STORAGE compressed air energy storage (CAES) system is alternately operable in a compression mode and an expansion mode and

Compressed air energy storage system (Patent) | DOE Patents

@article{osti_5382914, title = {Compressed air energy storage system}, author = {Ahrens, F W and Kartsounes, G T}, abstractNote = {An internal combustion reciprocating engine is operable as a compressor during slack demand periods utilizing excess power from a power grid to charge air into an air storage reservoir and as an expander during peak demand periods to feed power

Technical Feasibility of Compressed Air Energy Storage (CAES)

Pacific Gas & Electric Company (PG&E) conducted a project to explore the viability of underground compressed air energy storage (CAES) technology. CAES uses low-cost, off-peak electricity to compress air into a storage system in an underground space such as a rock formation or salt cavern. When electricity is needed, the air is withdrawn and

High-efficiency heat exchange in compressed-gas energy storage

In various embodiments, efficiency of energy storage and recovery systems employing compressed air and liquid heat exchange is improved via control of the system operation and/or the properties of the heat-exchange liquid.

SustainX Received Key Isothermal Compressed Air Energy Storage Patent

U.S. Patent No. 7,874,155 expands the patent portfolio surrounding SustainX''s isothermal compressed-air energy storage technology by protecting core elements of the company''s heat-transfer technology.

Who are the leading innovators in compressed air energy storage

Siemens is one of the leading patent filers in compressed air energy storage systems. Siemens, a world leader in power generation, with a broad portfolio and global installed base of thousands of utility- and industrial-grade gas turbines and compressors, is at the forefront of CAES technology.Back in 1991, a McIntosh 110 MW CAES plant in Alabama, was built with

US8201403B2

A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power

Compressed air energy storage power generation device

Patent Document 1 discloses an adiabatic compressed air energy storage (ACAES) power generation device that recovers heat from compressed air before storing the compressed air and reheats the compressed air when the stored compressed air is supplied to the turbine. Since the ACAES power generation device recovers the compression heat and uses the compression

US Patent Application for COMPRESSED AIR ENERGY STORAGE

Therefore, a power plant using renewable energy such as a wind power plant or a solar power plant may be provided with an energy storage device in order to smooth the fluctuation in the power generation amount. As an example of such an energy storage device, a compressed air energy storage (CAES) power generation device is known.

Advanced adiabatic compressed air energy storage system

the stored energy is recovered and utilized for peak power generation by using the stored compressed air energy based on the most effective and optimized combination of the stored compressed air pressure and temperature. More particularly, during peak hours, compressed air is released from the air storage 36 at specific pressure and temperature and is routed through

ADVANCED ADIABATIC COMPRESSED AIR ENERGY STORAGE

A compressed air energy storage (CAES) system is disclosed for the generation of power. The system may include a compressor configured to receive inlet air and output compressed air to an air storage during an off-peak period. During a peak load period, compressed air from the air storage may be released to generate power. A heat exchanger fluidly coupled to the air

Adiabatic compressed air energy storage process

A compressed air energy storage system including a compressor adapted to receive a process gas and output a compressed process gas. A heat transfer unit may be coupled to the compressor and adapted to receive the compressed process gas and a heat transfer medium and to output a cooled process gas and a heated heat transfer medium. A compressed gas

Increased power in compressed-gas energy storage and

Compressed Air Energy Storage System Utilizing Two-Phase Flow to Facilitate Heat Exchange patent-application, March 2012 Fong, Danielle A.; Crane, Stephen E.; Berlin, JR., Edwin P. US Patent Application 13/270068; 20120067036

Liquid air energy storage – A critical review

compressed air energy storage: CCHP: combined cooling, heating and power: CHP: combined heat and power generation: DS: dynamic simulation: ECO: economic analysis: ESS: energy storage system: A Chinese patent reports a system that integrated LAES and batteries for frequency regulation of power grids [38]. When the grid needs frequency

Patents Assigned to Energy Compression Inc.

Abstract: A compressed air energy storage module including an integrated thermal energy storage and recovery apparatus is provided. The compressed air energy storage module contains no moving parts and is constructed onsite, underground and out-of-sight. The compressed air energy storage module comprises a first regenerative heat exchanger

High-efficiency liquid heat exchange in compressed-gas energy storage

@article{osti_1531732, title = {High-efficiency liquid heat exchange in compressed-gas energy storage systems}, author = {Bollinger, Benjamin and Magari, Patrick and McBride, Troy O.}, abstractNote = {In various embodiments, efficiency of energy storage and recovery systems employing compressed air and liquid heat exchange is improved via control

Compressed air energy storage patent [PDF]

Solar Pro.