SOLAR POWER AND LIQUID AIR ENERGY STORAGE SYSTEMS, METHODS, AND DEVICES
First Claim
1. A solar energy production and storage apparatus comprising:
- an energy storage unit, the energy storage unit being a Liquid Air Energy Storage (LAES) unit;
a high temperature thermal storage unit;
the LAES unit comprising an electrical energy input, an electrical energy output, and one or more conduits to transfer thermal energy and/or working fluid between the LAES unit and the high temperature thermal storage unit;
a solar photovoltaic (PV) unit configured to produce electrical energy, the solar PV unit comprising an electrical energy output;
a solar thermal unit configured to produce thermal energy, the solar thermal unit comprising a thermal energy output; and
the high temperature thermal storage unit comprising a thermal energy input and one or more conduits to transfer at least one of thermal energy and/or working fluid between the LAES unit and the high temperature thermal storage unit,wherein the electrical energy output of the LAES unit is connected to an electrical grid,wherein the LAES unit is configured to operate in one or more modes of operation, the modes of operation comprising at least one of;
a charge or energy storage mode;
a discharge or energy production mode; and
/oran idle or non-storing non-generating energy mode,wherein the electrical energy output of the solar PV unit is configured to be coupled to the electrical grid and/or the electrical input of the LAES unit,wherein the electrical energy input of the LAES unit is configured to be coupled to one or more sources, the sources comprising the electrical grid and/or the electrical output of the solar PV unit,wherein the thermal energy output of the solar thermal unit is connected to the thermal energy input of the high temperature thermal energy storage unit,wherein the LAES unit further comprises a thermal energy input,wherein the thermal energy output of the high temperature thermal energy unit is connected to the thermal energy input of the LAES unit, andwherein the high temperature thermal energy storage unit is configured to operate in one or more modes of operation comprising at least one of;
a charge or thermal energy storage mode;
a discharge or thermal energy transfer mode; and
/oran idle or non-storing non-transferring thermal energy mode.
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Accused Products
Abstract
A solar energy production and storage apparatus includes an energy storage unit, a solar photovoltaic (PV) unit, a solar thermal unit, and a high temperature thermal storage unit. The energy storage unit can be a Liquid Air Energy Storage (LAES) unit which can include an electrical energy input, an electrical energy output, and one or more conduits to transfer at least one of thermal energy and working fluid between the LAES unit and the high temperature thermal storage unit. The solar PV unit can produce electrical energy and can include an electrical energy output. The solar thermal unit can produce thermal energy, the solar thermal unit comprising a thermal energy output. The high temperature thermal storage unit can include a thermal energy input and one or more conduits to transfer at least one of thermal energy and working fluid between the LAES unit and the high temperature thermal storage unit.
11 Citations
48 Claims
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1. A solar energy production and storage apparatus comprising:
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an energy storage unit, the energy storage unit being a Liquid Air Energy Storage (LAES) unit; a high temperature thermal storage unit; the LAES unit comprising an electrical energy input, an electrical energy output, and one or more conduits to transfer thermal energy and/or working fluid between the LAES unit and the high temperature thermal storage unit; a solar photovoltaic (PV) unit configured to produce electrical energy, the solar PV unit comprising an electrical energy output; a solar thermal unit configured to produce thermal energy, the solar thermal unit comprising a thermal energy output; and the high temperature thermal storage unit comprising a thermal energy input and one or more conduits to transfer at least one of thermal energy and/or working fluid between the LAES unit and the high temperature thermal storage unit, wherein the electrical energy output of the LAES unit is connected to an electrical grid, wherein the LAES unit is configured to operate in one or more modes of operation, the modes of operation comprising at least one of; a charge or energy storage mode; a discharge or energy production mode; and
/oran idle or non-storing non-generating energy mode, wherein the electrical energy output of the solar PV unit is configured to be coupled to the electrical grid and/or the electrical input of the LAES unit, wherein the electrical energy input of the LAES unit is configured to be coupled to one or more sources, the sources comprising the electrical grid and/or the electrical output of the solar PV unit, wherein the thermal energy output of the solar thermal unit is connected to the thermal energy input of the high temperature thermal energy storage unit, wherein the LAES unit further comprises a thermal energy input, wherein the thermal energy output of the high temperature thermal energy unit is connected to the thermal energy input of the LAES unit, and wherein the high temperature thermal energy storage unit is configured to operate in one or more modes of operation comprising at least one of; a charge or thermal energy storage mode; a discharge or thermal energy transfer mode; and
/oran idle or non-storing non-transferring thermal energy mode. - View Dependent Claims (8, 9, 16, 18, 27)
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2-7. -7. (canceled)
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10-11. -11. (canceled)
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12. The apparatus of claimer 1,
wherein the high temperature thermal energy storage unit further comprises a heating element unit to convert electrical energy to thermal energy, wherein the high temperature thermal energy storage unit further comprises an electrical energy input, wherein electrical energy is directable to the electrical energy input of the high temperature storage unit from one or more sources, the sources comprising at least one of: -
the electrical grid; the electrical output of the solar PV unit; and
/orthe electrical output of the LAES unit, wherein the high temperature thermal energy storage unit is configured to operate in one or more modes of operation, the modes of operation comprising at least one of; a charge or thermal energy storage mode; a thermal energy production mode; a discharge or thermal energy transfer mode; and
/oran idle or non-storing non-transferring thermal energy mode.
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13-15. -15. (canceled)
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17. (canceled)
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19-26. -26. (canceled)
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28-32. -32. (canceled)
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33. A solar energy production and storage apparatus comprising:
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a solar photovoltaic (PV) unit that produces electrical energy, the solar PV unit being coupled to an energy consumer to provide electrical energy to the energy consumer; a Liquid Air Energy Storage (LAES) unit coupled to the energy consumer to provide electrical energy to the energy consumer; a high temperature thermal storage unit coupled to the LAES unit to transfer thermal energy to the LAES unit; a solar thermal unit that produces thermal energy, the solar thermal unit being coupled to the high temperature thermal storage unit to transfer thermal energy to the high temperature thermal storage unit; the high temperature thermal storage unit storing the thermal energy received from the solar thermal unit and/or passing the thermal energy received from the solar thermal unit to the LAES unit to thermally charge the LAES unit and/or to improve electrical dispatch performance of the LAES unit; the solar PV unit and the LAES unit each coupled to the energy consumer to provide stabilized solar-LAES energy to the energy consumer; and a controller configured to stabilize the electrical capacity of energy generation available to the energy consumer by causing the LAES unit to dispatch electrical energy to the consumer from the LAES unit during periods of under capacity and to draw down electrical energy to the LAES unit during periods of over capacity. - View Dependent Claims (34, 35, 36, 38, 39, 40)
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37. (canceled)
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41. A solar energy production and storage system, comprising:
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an energy storage unit including a Liquid Air Energy Storage (LAES) unit; a high temperature thermal storage unit; the LAES unit comprising an electrical energy input, an electrical energy output, and one or more conduits to transfer at least one of thermal energy and working fluid between the LAES unit and the high temperature thermal storage unit; the high temperature thermal storage unit comprising a thermal energy input connected to receive power from a non-dispatchable source of electrical power; a thermal energy input connected to and a non-dispatchable source of thermal power, the thermal energy input being connected to the high temperature thermal storage unit to store thermal energy therein; the thermal energy in the high temperature thermal storage unit being connected in the LAES to raise a working fluid temperature to generate electrical power at said electrical energy output. - View Dependent Claims (42, 43, 44, 47, 48)
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45-46. -46. (canceled)
Specification