Fast battery charging method and system for large power load applications

Patent metadata

Field	Value
Publication number	US-11518260-B2
Application number	US-202017126930-A
Country	US
Kind code	B2
Filing date	Dec 18, 2020
Priority date	Dec 18, 2020
Publication date	Dec 6, 2022
Grant date	Dec 6, 2022

Abstract

Renewable energy charging stations, systems, and methods are disclosed for capturing storing and delivering large amounts of renewable electrical energy from a renewable energy source to vehicles including passenger aircraft using charging circuits in communication with a demultiplexer and high-temperature superconducting cables to deliver required large electrical charges at fast charging rates safely and at low temperatures.

First claim

What is claimed is:

1. A system for charging vehicles comprising:
a renewable energy collection device configured to collect renewable energy from a renewable energy source, said renewable energy source comprising at least one of: solar power, wind power, and hydroelectric power;
a high-voltage capacitor in communication with the renewable energy collection device;
a first high temperature superconducting cable in communication with the high-voltage capacitor;
a transformer in communication with the first high temperature superconducting cable;
a second high temperature superconducting cable in communication with the transformer;
at least one demultiplexer in communication with the second high temperature superconducting cable, said at least one demultiplexer configured to engage a relay circuit, said relay circuit configured to deliver converted electrical energy to at least one rechargeable vehicle battery;
wherein at least one of the high-voltage capacitor and the transformer is in communication with at least one multiplexer; and
wherein the at least one demultiplexer is configured to deliver electrical power up to 1000 MW to at least one of a storage bank and the at least one rechargeable vehicle battery.

2. The system of claim 1 , wherein the at least one rechargeable vehicle battery comprises a plurality of lithium ion cells.

3. The system of claim 1 , wherein a temperature during a transfer of an amount of electrical energy through the system does not exceed 45° C.

4. A system for charging vehicles comprising:
a renewable energy collection device configured to collect renewable energy from a renewable energy source, said renewable energy source comprising at least one of: solar power, wind power, and hydroelectric power;
a high-voltage capacitor in communication with the renewable energy collection device;
a first high temperature superconducting cable in communication with the high-voltage capacitor;
a transformer in communication with the first high temperature superconducting cable;
a second high temperature superconducting cable in communication with the transformer;
at least one demultiplexer in communication with the second high temperature superconducting cable, said at least one demultiplexer configured to engage a relay circuit, said relay circuit configured to be in communication with at least one rechargeable vehicle battery;
a vehicle comprising the at least one rechargeable vehicle battery, said at least one rechargeable vehicle battery in communication with the at least one demultiplexer via the relay circuit, said at least one rechargeable vehicle battery configured to receive converted electrical energy from the at least one demultiplexer via the relay circuit;
wherein at least one of the high-voltage capacitor and the transformer is in communication with at least one multiplexer; an wherein the at least one demultiplexer is configured to deliver electrical power up to 1000 MW to at least one of an electrical energy storage bank and the at least one rechargeable vehicle battery; and
wherein the high-voltage capacitor is further in communication with the electrical energy storage bank, said electrical energy storage bank configured to store the renewable energy collected by the renewable energy collection device.

5. The system of claim 4 , wherein the system has an operating temperature range ranging from −30° C. to 45° C.

6. The system of claim 4 , wherein the at least one demultiplexer comprises relay mechanisms, said relay mechanisms configured to distribute a predetermined amount of the electrical energy to the at least one rechargeable vehicle battery.

7. The system of claim 4 , wherein the vehicle is an aircraft.

8. The system of claim 4 , wherein the vehicle comprises at least one of:
a crewed aircraft; an uncrewed aircraft; a crewed rotorcraft, an uncrewed rotorcraft; a crewed spacecraft; an uncrewed spacecraft;
a crewed terrestrial vehicle; an uncrewed terrestrial vehicle; a crewed surface waterborne vehicle; an uncrewed surface waterborne vehicle; a crewed sub-surface waterborne vehicle; an uncrewed sub-surface waterborne vehicle; and a hovercraft.

9. The system of claim 4 , wherein the vehicle comprises a plurality of the rechargeable vehicle batteries, said plurality of rechargeable vehicle batteries comprising a plurality of lithium ion cells.

10. The system of claim 9 , wherein the at least one demultiplexer comprises the relay circuit, said relay circuit configured to distribute a predetermined amount of the electrical energy to each of the plurality of the rechargeable vehicle batteries.

11. The system of claim 4 , wherein electric energy up to 250 MW is delivered to the high-voltage capacitor.

12. The system of claim 4 , wherein converted electrical energy up to 1000 MW is delivered to the relay circuit from the at least one demultiplexer.

13. The system of claim 4 , wherein a temperature during a transfer of the electrical energy through the system does not exceed a temperature of 45° C.

14. The system of claim 4 , wherein the system has an operating temperature range ranging from −30° C. to about 45° C.

15. The system of claim 4 , wherein the renewable energy collection device is configured to deliver the collected renewable energy to the high-voltage capacitor.

16. A method for collecting and dispensing energy, the method comprising:
collecting renewable energy from a renewable energy source to form collected electrical energy;
converting the collected electrical energy using at least one high-voltage capacitor to form converted electrical energy;
directing the converted electrical energy from the at least one high-voltage capacitor via a first high temperature super conducting cable to a transformer;
directing the converted electrical energy from the transformer via a second high temperature super conducting cable to a first demultiplexer;
distributing the converted electrical energy from the first demultiplexer to at least one rechargeable vehicle battery;
maintaining a temperature ranging from −30° C. to 45° C. during the distribution of the converted electrical energy from the first demultiplexer to the at least one rechargeable vehicle battery;
charging the at least one rechargeable vehicle battery;
distributing the converted electrical energy from the first demultiplexer to an electrical energy storage bank;
distributing the converted electrical energy from the electrical energy storage bank to a second demultiplexer;
wherein an amount of electrical energy is distributed at a rate ranging from 250 MW to 1000 MW from the second demultiplexer to
the at least one rechargeable vehicle battery at a charging rate ranging from 1 MWh to 100 MWh;

wherein at least one of the high-voltage capacitor and the transformer is in communication with at least one multiplexer.

17. The method of claim 16 , further comprising:
delivering the converted electrical energy from the electrical energy storage bank via the second demultiplexer to the at least one rechargeable vehicle batteries at a rate ranging from 250 MW to 1000 MW in a duration ranging from 1 hour to 3 hours.

18. The method of claim 16 , wherein the transformer is in communication with the electrical energy storage bank.

19. The method of claim 16 , wherein the electrical energy storage bank comprises a plurality of battery cells.

20. The method of claim 16 , wherein the at least one rechargeable vehicle battery comprises a plurality of lithium ion vehicle battery cells.

Assignees

• Boeing Co

Inventors

• Safai Morteza

Classifications

• H02J7/50

  acting upon multiple batteries simultaneously or sequentially · CPC title

• H02J2101/20

  Dispersed power generation using renewable energy sources · CPC title

• B60L50/60

  using power supplied by batteries (in combination with fuel cells B60L50/75) · CPC title

• H02J7/02 Primary

  for charging batteries from AC mains by converters · CPC title

• H02J7/345

  using capacitors as storage or buffering devices · CPC title