Dutch patent for underwater energy storage
Dutch patent for underwater energy storage
US11136963B2
The invention provides an underwater energy storage system (UW-ES system) comprising a reservoir structure (5), which is resting at the bottom (4) of a waterbody (1), such as a sea, an ocean, a waterway, etc. The reservoir structure has a pressurizing reservoir (7A, 7B) with a deformable wall structure (17A, 17B) and a depressurizing reservoir (8A, 8B) with a rigid wall
Patents Assigned to Energy Vault, Inc.
Abstract: An energy storage and delivery system includes an elevator, where the elevator is operable to move one or more blocks from a lower elevation to a higher elevation to store energy (e.g., via the potential energy of the block in the higher elevation) and operable to move one or more blocks from a higher elevation to a lower elevation (e.g., by gravity) to
US Patent Application for UNDERWATER ENERGY STORAGE
An underwater energy storage system includes a tank for storing a compressed gas that is adapted to be stored underwater. The tank includes at least one water opening through which water from surrounding environment can flow into and out of the tank, and at least one gas opening through which the compressed gas is received. The underwater energy storage
3155705 UNDERWATER VEHICLE COMPRISING POWER STORAGE
This underwater vehicle comprises an on-board electrical network (1), the electrical network (1) comprising electrical lines (2, 3, 4), a plurality of power sources (5, 6, 7) storing direct voltage
DOGES: Deep ocean gravitational energy storage
Underwater compressed air energy storage (UWCAES) is a promising way to achieve isobaric storage by taking advantage of hydrostatic pressure. In the UWCAES system, the air stream is compressed to the hydrostatic pressure present at the depth where the air accumulators are located [8].
Offshore Storage & Power-to-X | Dutch Marine Energy Centre
Hydro-Pneumatic Energy Storage, sometimes referred to as underwater compressed air energy storage, harnesses renewable energy to compress air and store it in underwater
Patent databases and registers | RVO
It takes time and money to develop a product. It is important to know that you are not inventing something that already exists. Every patent granting authority has a register in which you can find the status of a patent. It
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Energy Storage NL, de brancheorganisatie voor de Nederlandse energieopslagsector, heeft in samenwerking met onderzoeksbureau Ecorys vandaag haar Marktrapport gepubliceerd. Zo''n 200 respondenten, denk aan
U.S. Patent for Underwater energy storage system and
An underwater energy storage system includes a tank for storing a compressed gas that is adapted to be stored underwater. The tank includes at least one water opening through which water from surrounding environment can flow into and out of the tank, and at least one gas opening through which the compressed gas is received. The underwater energy storage
WO2009131459A2
There is described an energy storage system (300, 310) for storing energy in connection with a renewable energy generating facility (100). The energy storage system (300, 310) is operable to employ one or more of: (a) compressed air energy storage apparatus (300, 310) for storing energy generated by the energy generating facility (100), the stored energy
WO2019182458A1
An underwater energy storage system comprising a container where energy is stored by transporting water between the container and a body of water, is disclosed. 5 The container comprises a water- and gas-tight membrane surrounding a container volume, where the container is rendered mainly incompressible by a fill material comprising densely packed,
Dutch Startup Replicates Hydropower on the
Ocean Grazer, a spin-off of the University of Groningen, has developed a prototype battery designed to rest on the seafloor. The battery consists of a large underground reservoir containing millions of litres of fresh
Patents for Enhanced Electricity Grids – Analysis
This new study, Patents for Enhanced Electricity Grids, combines the expertise of the International Energy Agency and the European Patent Office and is the most comprehensive, global and up-to-date investigation so far of patenting for electricity grid issues. In the last two decades, electricity grid technology patents have increased almost
United States Patent
energy storage system is sometimes abbreviated as " UW - ES potential energy . Said known system does not use the much system " higher hydrostatic pressure of the waterbody''s water at all . An underwater energy storage system for storing energy It is noted that other systems are known, which use a
Underwater Compressed Air Energy Storage
At 500 m depth the energy density is between 5.6 kW h m –3 and 10.3 kW h m –3, depending upon how the air is reheated before/during expansion.The lower limit on energy density at this depth is over three times the energy density in the 600 m high upper reservoir at Dinorwig pumped storage plant in the United Kingdom.
WO/2019/182458 UNDERWATER ENERGY STORAGE SYSTEM
An underwater energy storage system comprising a container where energy is stored by transporting water between the container and a body of water, is disclosed. 5 The container
CA2788981C
An underwater energy storage system includes a tank for storing a compressed gas that is adapted to be stored underwater. The tank includes at least one water opening through which water from surrounding environment can flow into and out of the tank, and at least one gas opening through which the compressed gas is received. The underwater energy storage
Underwater energy storage system — the University of
The invention provides an underwater energy storage system (UW-ES system) comprising a reservoir structure (5), which is resting at the bottom (4) of a waterbody (1), such as a sea, an ocean, a waterway, etc.
US Patent for System for underwater compressed fluid energy storage
A system and method for underwater compressed fluid energy storage include a compressed fluid storage system that comprises a fluid containment vessel positioned on a floor of a body of water, wherein the fluid containment vessel comprises sediment positioned therein to ballast the vessel on the floor.
Underwater energy storage and electricity
Other embodiments may be applicable to, for example, an energy storage device or a tidal power energy generation system. The present invention relates to systems and methods for pumping
Efficient underwater energy harvesting from bubble-driven
Bubbles are ubiquitous in water and are unusually energy-rich in the seabed. Harvesting energy from subsea bubbles is a viable solution to supplying energy in situ for underwater equipment, but the existing approaches are unsatisfactory due to low-efficient conversion of bubble potential energy.
EP4074961A1
The invention relates to an underwater energy storage system (1) for an off-shore wind turbine (19), the underwater energy storage system (1) comprising a hollow shaft (6), a generator (13), a motor (2) and a mass (3) attached to the motor (2). The invention further relates to a wind farm (30) comprising the underwater energy storage system (1), whereby the wind farm (30) further
Underwater Compressed Gas Energy Storage
Underwater compressed air energy storage was developed from its terrestrial counterpart. It has also evolved to underwater compressed natural gas and hydrogen energy storage in recent years. UWCGES is a promising
Underwater pumped-hydro energy storage
An underwater pumped-hydro energy storage device includes a submersible tank that includes an inlet and an outlet. A pump is disposed at the outlet of the submersible tank to evacuate water from the submersible tank in a surrounding body of water. 2013-02-28 Priority to US13/779,818 priority Critical patent/US8664786B1/en 2013-02-28
Advancing underwater energy storage with seabed power
Advancing underwater energy storage with seabed power solution. The StEnSea project is seeking to revolutionise long duration energy storage by adapting the principles of
Underwater compressed air energy storage
Underwater compressed air energy storage is a developing storage technology which is a natural extension of compressed air energy storage for coastal environments. It is very similar to underground CAES in all aspects but the energy store. Compared with a fixed volume underground store, an underwater store brings the benefit of isobaric
面向海上风电高效利用的水下抽水蓄能 容量优化配置分析
ABSTRACT: Underwater energy storage is receiving increasing attention to address the challenges of integrating marine renewable energy, represented by offshore wind power, into the power grid. Underwater pumped hydro storage (UPHS) is typical of these
Energy storage in The Netherlands – Frontis Energy
Existing Energy Storage Facilities. To date, the Netherlands has almost 20 MW of energy storage capacity either operating (14 MW), contracted (1 MW), or under construction (4 MW). All energy storage facilities in the
US20170233181A1
the article discloses a pumpkin-shaped, underwater, compressed-air-storage devices being trialed at the University of Nottingham. It is described that the compressed-air-storage devices, constructed from steel and polymer, are designed to be pumped full of high-pressure air during times of high winds and low demand, with the stored energy used to turn turbines to create
Using the oceans'' depths to store renewables,
Underwater gravity energy storage has been proposed as an ideal solution for weekly energy storage, by an international group of scientists. The novel technology is considered an alternative to
Deep Sea Pumped Storage
In this case the pump-turbine is running in turbine mode, generating electricity. In order to re-charge the storage system, the water is pumped out of the sphere against the pressure of the surrounding water
6 FAQs about [Dutch patent for underwater energy storage]
What is underwater compressed energy storage?
Underwater compressed energy storage is similar to CAES, with the major difference being that the air is compressed in a container located underwater. Several approaches to UWCAES are under development including the utilization of distensible air container also referred to as an Energy Bag , .
Can a buoyancy based energy storage be used in deep sea floors?
An international research team has developed a novel concept of gravitational energy storage based on buoyancy, that can be used in locations with deep sea floors and applied to both the storage of offshore wind power and compressed hydrogen.
What is offshore energy storage?
ORES (Ocean Renewable Energy Storage) is another approach to offshore energy storage which utilizes large concrete spherical structures mounted to waterbed , . Water is pumped from these large containers during charge phase and is allowed to reenter the container through a turbine on discharge phase.
Is underwater gravity energy storage a viable solution for weekly energy storage?
Underwater gravity energy storage has been proposed as an ideal solution for weekly energy storage, by an international group of scientists.
Can pumped-hydro storage be used to store green hydrogen?
The novel technology is considered an alternative to pumped-hydro storage for coasts and islands without mountains that are located close to deep waters, and may also be interesting for PV if used to store green hydrogen. The proposed storage solution can be implemented at a minimum depth of 300 meters. Image: PublicDomainPictures/Pixabay
Can BBES be implemented offshore without divers?
BBES can be implemented offshore from water surface without divers lowering implementation costs. Conclusions have not been drawn as to the achievable round-trip efficiency of BBES as this is subject for further research utilizing a more elaborate experimental apparatus.
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