Patent · US9912015B2 · B2 · US

Portable and modular energy storage with authentication protections for electric vehicles

(11) Publication number

US9912015B2

(21) Application number

15/225,680

(22) Filing date

2016-08-01

(30) Priority date

2015-07-31

(43) Publication date

2018-03-06

(45) Date of grant

2018-03-06

(52) CPC

H01M Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy: 10/425, 10/0525, 10/44, 10/441, 10/486, 10/613, 10/617, 10/625, 10/6556, 10/6568, 10/6569, 2/1005, 2/1077, 2/206, 2010/4271, 2010/4278, 2220/20, 50/204, 50/224, 50/249, 50/256, 50/264, 50/289, 50/505
B60L Propulsion of electrically-propelled vehicles; supplying electric power for auxiliary equipment of electrically-propelled vehicles; electrodynamic brake systems for vehicles in general; magnetic suspension or levitation for vehicles; monitoring operating variables of electrically-propelled vehicles; electric safety devices for electrically-propelled vehicles: 11/1816, 2240/54, 2240/545, 2240/547, 2240/549, 50/64, 50/66, 53/14, 58/21, 58/26
H01G Capacitors; capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type: 11/10, 11/18, 11/82
H02J Electric power networks; circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy: 7/00, 7/0021, 7/0052, 7/0063, 7/50, 7/60, 7/62, 7/65, 7/80, 7/82, 7/84, 7/855, 7/865, 7/96, 7/977
Y02E Reduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution: 60/10, 60/122, 60/13
Y02T Climate change mitigation technologies related to transportation: 10/70, 10/7011, 10/7022, 10/7072, 90/14, 90/16

(73) Assignee

OHORA GERARD

(54) Title

Portable and modular energy storage with authentication protections for electric vehicles

(57) Abstract

A power system that authenticates multiple battery packs to allow for power transfer between the battery packs and an external load system may include a plurality of modular battery packs, each of which may include a first housing, a plurality of battery cells enclosed in the first housing, a first interface for authentication communication, and a second interface that transmits power from the plurality of battery cells. The power system may also include a second housing configured to removably receive the plurality of modular battery packs, and a processing system that is configured to exchange authentication information with the plurality of modular battery packs through the respective first interfaces, wherein the respective second interfaces are only enabled to transmit power when the authentication information is validated.

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Claims (20)

A power system that authenticates multiple battery packs to allow for power transfer between the battery packs and an external load system, the power system comprising: a plurality of modular battery packs, wherein each of the plurality of modular battery packs comprises: a first housing; a plurality of battery sub-systems, wherein each of the plurality of battery sub-systems comprises: a plurality of individual battery cells; a processor; and a memory that stores a serial number for the battery sub-system; a power sub-system that: authenticates, and receives the serial numbers from, the memories from each of the plurality of battery sub-systems; and aggregates power from the plurality of battery sub-systems; a first interface for authentication communication; and a second interface that transmits power from the power sub-system; a second housing configured to removably receive the plurality of modular battery packs; and a processing system that is configured to exchange authentication information with the plurality of modular battery packs through the respective first interfaces, wherein the respective second interfaces are only enabled to transmit power when the authentication information is validated.
The power system of claim 1, wherein the power from the plurality of modular battery packs is transmitted to a motor of an electric or hybrid electric vehicle.
The power system of claim 1, wherein each of the plurality of modular battery packs further comprises an output switch that prevents power from being transmitted from the second interface.
The power system of claim 3, wherein the output switch prevents power from being transmitted from the second interface when a battery pack voltage dips below a threshold value.
The power system of claim 3, wherein the output switch prevents power from being transmitted from the second interface when a number of charge cycles for the battery pack surpasses a threshold.
The power system of claim 3, wherein the output switch prevents power from being transmitted from the second interface when a malfunction is detected in the battery pack.
The power system of claim 1, wherein the authentication information comprises one or more cryptographic keys.
The power system of claim 1, wherein the authentication information comprises one or more cryptographic signatures.
The power system of claim 1, wherein the first interface for each modular battery pack further transmits configuration information for the respective modular battery pack.
The power system of claim 1, wherein each of the plurality of modular battery packs further comprises a thermal material enclosed in the first housing that transfers heat away from the plurality of battery cells.
A method of authenticating multiple battery packs to allow for power transfer between the battery packs and an external load system, the method comprising: receiving one or more modular battery packs into a second housing of a power system, wherein the second housing is configured to removably receive the plurality of modular battery packs, and wherein each of the plurality of modular battery packs comprises: a first housing; a plurality of battery sub-systems, wherein each of the plurality of battery sub-systems comprises: a plurality of individual battery cells; a processor; and a memory that stores a serial number for the battery sub-system; a power sub-system that: authenticates, and receives the serial numbers from, the memories from each of the plurality of battery sub-systems; and aggregates power from the plurality of battery sub-systems; a first interface for authentication communication; and a second interface that transmits power from the power sub-system; exchanging authentication information with the one or more modular battery packs through the respective first interfaces; and enabling the respective second interfaces to transmit power only when the authentication information is validated.
The method of claim 11, wherein the first housings of the modular battery packs are hermetically sealed.
The method of claim 11, wherein the plurality of individual battery cells comprises a plurality of supercapacitors.
The method of claim 11, wherein the first interface comprises a wireless communication system that communicates wirelessly with the second housing.
The method of claim 11, wherein the second interface comprises a transmitter coil that wirelessly transmits the aggregated power from the plurality of battery cells to the second housing.
The method of claim 11, wherein the second interface comprises a two-pole wired port that mates with a corresponding two-pole wired port of the second housing.
The method of claim 11, wherein the volume of the first housing is at least 0.50 cubic feet, having dimensions of at least 6″×6″×12″.
The method of claim 11, further comprising communicating, through the first interface of the modular battery packs, a charge history of the modular battery pack to the second housing.
The method of claim 11, wherein the aggregated power from the plurality of battery cells provided to the second housing comprises a signal of approximately 48 VDC and 45 A.
The method of claim 11, further comprising: receiving, through the second interface of the modular battery packs, charging power from the second housing, and charging the plurality of individual battery cells of the modular battery packs using the charging power from the second housing.

Citations (31)

EP2876702A1
KR101146492B1
US2002136042A1
US2005007042A1
US2007127346A1
US2007181547A1
US2007267999A1
US2008197199A1
US2009251925A1
US2010104927A1
US2011014501A1
US2011234165A1
US2013026972A1
US2013059182A1
US2013164567A1
US2013288083A1
US2014377623A1
US2015037649A1
US2015042285A1
US2015048684A1
US2015056475A1
US2016093843A1
US2016094056A1
US2017033337A1
US2017033338A1
US2938686A
US7059769B1
US8830676B2
US8865337B2
WO2014207658A1
WO2017023869A1

Record as JSON

{
  "publication_number": "US9912015B2",
  "country": "US",
  "kind": "B2",
  "title": "Portable and modular energy storage with authentication protections for electric vehicles",
  "abstract": "A power system that authenticates multiple battery packs to allow for power transfer between the battery packs and an external load system may include a plurality of modular battery packs, each of which may include a first housing, a plurality of battery cells enclosed in the first housing, a first interface for authentication communication, and a second interface that transmits power from the plurality of battery cells. The power system may also include a second housing configured to removably receive the plurality of modular battery packs, and a processing system that is configured to exchange authentication information with the plurality of modular battery packs through the respective first interfaces, wherein the respective second interfaces are only enabled to transmit power when the authentication information is validated.",
  "claims": [
    "1. A power system that authenticates multiple battery packs to allow for power transfer between the battery packs and an external load system, the power system comprising: a plurality of modular battery packs, wherein each of the plurality of modular battery packs comprises: a first housing; a plurality of battery sub-systems, wherein each of the plurality of battery sub-systems comprises: a plurality of individual battery cells; a processor; and a memory that stores a serial number for the battery sub-system; a power sub-system that: authenticates, and receives the serial numbers from, the memories from each of the plurality of battery sub-systems; and aggregates power from the plurality of battery sub-systems; a first interface for authentication communication; and a second interface that transmits power from the power sub-system; a second housing configured to removably receive the plurality of modular battery packs; and a processing system that is configured to exchange authentication information with the plurality of modular battery packs through the respective first interfaces, wherein the respective second interfaces are only enabled to transmit power when the authentication information is validated.",
    "2. The power system of claim 1, wherein the power from the plurality of modular battery packs is transmitted to a motor of an electric or hybrid electric vehicle.",
    "3. The power system of claim 1, wherein each of the plurality of modular battery packs further comprises an output switch that prevents power from being transmitted from the second interface.",
    "4. The power system of claim 3, wherein the output switch prevents power from being transmitted from the second interface when a battery pack voltage dips below a threshold value.",
    "5. The power system of claim 3, wherein the output switch prevents power from being transmitted from the second interface when a number of charge cycles for the battery pack surpasses a threshold.",
    "6. The power system of claim 3, wherein the output switch prevents power from being transmitted from the second interface when a malfunction is detected in the battery pack.",
    "7. The power system of claim 1, wherein the authentication information comprises one or more cryptographic keys.",
    "8. The power system of claim 1, wherein the authentication information comprises one or more cryptographic signatures.",
    "9. The power system of claim 1, wherein the first interface for each modular battery pack further transmits configuration information for the respective modular battery pack.",
    "10. The power system of claim 1, wherein each of the plurality of modular battery packs further comprises a thermal material enclosed in the first housing that transfers heat away from the plurality of battery cells.",
    "11. A method of authenticating multiple battery packs to allow for power transfer between the battery packs and an external load system, the method comprising: receiving one or more modular battery packs into a second housing of a power system, wherein the second housing is configured to removably receive the plurality of modular battery packs, and wherein each of the plurality of modular battery packs comprises: a first housing; a plurality of battery sub-systems, wherein each of the plurality of battery sub-systems comprises: a plurality of individual battery cells; a processor; and a memory that stores a serial number for the battery sub-system; a power sub-system that: authenticates, and receives the serial numbers from, the memories from each of the plurality of battery sub-systems; and aggregates power from the plurality of battery sub-systems; a first interface for authentication communication; and a second interface that transmits power from the power sub-system; exchanging authentication information with the one or more modular battery packs through the respective first interfaces; and enabling the respective second interfaces to transmit power only when the authentication information is validated.",
    "12. The method of claim 11, wherein the first housings of the modular battery packs are hermetically sealed.",
    "13. The method of claim 11, wherein the plurality of individual battery cells comprises a plurality of supercapacitors.",
    "14. The method of claim 11, wherein the first interface comprises a wireless communication system that communicates wirelessly with the second housing.",
    "15. The method of claim 11, wherein the second interface comprises a transmitter coil that wirelessly transmits the aggregated power from the plurality of battery cells to the second housing.",
    "16. The method of claim 11, wherein the second interface comprises a two-pole wired port that mates with a corresponding two-pole wired port of the second housing.",
    "17. The method of claim 11, wherein the volume of the first housing is at least 0.50 cubic feet, having dimensions of at least 6″×6″×12″.",
    "18. The method of claim 11, further comprising communicating, through the first interface of the modular battery packs, a charge history of the modular battery pack to the second housing.",
    "19. The method of claim 11, wherein the aggregated power from the plurality of battery cells provided to the second housing comprises a signal of approximately 48 VDC and 45 A.",
    "20. The method of claim 11, further comprising: receiving, through the second interface of the modular battery packs, charging power from the second housing, and charging the plurality of individual battery cells of the modular battery packs using the charging power from the second housing."
  ],
  "cpc": [
    "H01M 10/425",
    "B60L 11/1816",
    "B60L 2240/54",
    "B60L 2240/545",
    "B60L 2240/547",
    "B60L 2240/549",
    "B60L 50/64",
    "B60L 50/66",
    "B60L 53/14",
    "B60L 58/21",
    "B60L 58/26",
    "H01G 11/10",
    "H01G 11/18",
    "H01G 11/82",
    "H01M 10/0525",
    "H01M 10/44",
    "H01M 10/441",
    "H01M 10/486",
    "H01M 10/613",
    "H01M 10/617",
    "H01M 10/625",
    "H01M 10/6556",
    "H01M 10/6568",
    "H01M 10/6569",
    "H01M 2/1005",
    "H01M 2/1077",
    "H01M 2/206",
    "H01M 2010/4271",
    "H01M 2010/4278",
    "H01M 2220/20",
    "H01M 50/204",
    "H01M 50/224",
    "H01M 50/249",
    "H01M 50/256",
    "H01M 50/264",
    "H01M 50/289",
    "H01M 50/505",
    "H02J 7/00",
    "H02J 7/0021",
    "H02J 7/0052",
    "H02J 7/0063",
    "H02J 7/50",
    "H02J 7/60",
    "H02J 7/62",
    "H02J 7/65",
    "H02J 7/80",
    "H02J 7/82",
    "H02J 7/84",
    "H02J 7/855",
    "H02J 7/865",
    "H02J 7/96",
    "H02J 7/977",
    "Y02E 60/10",
    "Y02E 60/122",
    "Y02E 60/13",
    "Y02T 10/70",
    "Y02T 10/7011",
    "Y02T 10/7022",
    "Y02T 10/7072",
    "Y02T 90/14",
    "Y02T 90/16"
  ],
  "assignees": [
    "OHORA GERARD"
  ],
  "filing_date": "2016-08-01",
  "publication_date": "2018-03-06",
  "grant_date": "2018-03-06",
  "priority_date": "2015-07-31",
  "application_number": "US-201615225680-A",
  "family_id": "57883086",
  "citations": [
    "EP2876702A1",
    "KR101146492B1",
    "US2002136042A1",
    "US2005007042A1",
    "US2007127346A1",
    "US2007181547A1",
    "US2007267999A1",
    "US2008197199A1",
    "US2009251925A1",
    "US2010104927A1",
    "US2011014501A1",
    "US2011234165A1",
    "US2013026972A1",
    "US2013059182A1",
    "US2013164567A1",
    "US2013288083A1",
    "US2014377623A1",
    "US2015037649A1",
    "US2015042285A1",
    "US2015048684A1",
    "US2015056475A1",
    "US2016093843A1",
    "US2016094056A1",
    "US2017033337A1",
    "US2017033338A1",
    "US2938686A",
    "US7059769B1",
    "US8830676B2",
    "US8865337B2",
    "WO2014207658A1",
    "WO2017023869A1"
  ]
}

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