POWER SYSTEM FOR HIGH TEMPERATURE APPLICATIONS WITH RECHARGEABLE ENERGY STORAGE

• US 20150326049A1
• Filed: 07/07/2015
• Published: 11/12/2015
• Est. Priority Date: 12/21/2010
• Status: Active Grant

• Current Assignee: FastCAP Systems Corporation
• Original Assignee: FastCAP Systems Corporation
• Inventors: Cooley, John J., Signorelli, Riccardo, Green, Morris, Kuttipillai, Padmanaban Sasthan, Deane, Christopher John Sibbald, Wilhelmus, Lindsay A.
• Granted Patent: US 9,954,382 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B82Y 30/00 Nanotechnology for materials or surface science, e.g. nanocomposites
• CPC Class Codes: E21B 41/0085 Adaptations of electric power generating means for use in boreholes
• CPC Class Codes: H01G 11/08 Structural combinations, e.g. assembly or connection, of hybrid or EDL capacitors with other electric components, at least one hybrid or EDL capacitor being the main component
• CPC Class Codes: H01G 11/10 Multiple hybrid or EDL capacitors, e.g. arrays or modules housings, cases, encapsulations or mountings thereof H01G11/78
• CPC Class Codes: H01G 11/14 Arrangements or processes for adjusting or protecting hybrid or EDL capacitors emergency protective circuit arrangements specially adapted for capacitors, and effecting automatic switching in the event of an undesired change from normal working conditions H02H7/16; emergency protective circuit arrangements for limiting excess current or voltages without disconnection H02H9/00
• CPC Class Codes: H01G 11/32 Carbon-based
• CPC Class Codes: H01G 11/36 Nanostructures, e.g. nanofibres, nanotubes or fullerenes
• CPC Class Codes: H01G 11/58 Liquid electrolytes
• CPC Class Codes: H01G 11/60 characterised by the solvent
• CPC Class Codes: H01G 11/62 characterised by the solute, e.g. salts, anions or cations therein
• CPC Class Codes: H01G 11/78 Cases; Housings; Encapsulations; Mountings
• CPC Class Codes: H01G 2/065 for surface mounting, e.g. chip capacitors
• CPC Class Codes: H01M 10/39 working at high temperature
• CPC Class Codes: H01M 10/425 Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing printed circuits H05K1/00
• CPC Class Codes: H01M 10/4257 Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
• CPC Class Codes: H01M 10/44 Methods for charging or discharging circuits for charging H02J7/00
• CPC Class Codes: H01M 10/46 Accumulators structurally combined with charging apparatus circuits for charging H02J7/00
• CPC Class Codes: H01M 10/48 Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569
• CPC Class Codes: H01M 16/00 Structural combinations of different types of electrochemical generators
• CPC Class Codes: H01M 2010/4271 Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
• CPC Class Codes: H01M 2010/4278 : Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
• CPC Class Codes: H01M 2220/10 : Batteries in stationary systems, e.g. emergency power source in plant
• CPC Class Codes: H01M 50/107 : having curved cross-section, e.g. round or elliptic H01M50/103, H01M50/109, H01M50/11 take precedence
• CPC Class Codes: H02J 7/0042 : characterised by the mechanical construction
• CPC Class Codes: H02J 7/0068 : Battery or charger load switching, e.g. concurrent charging and load supply H02J7/0013 takes precedence
• CPC Class Codes: H02J 7/0071 : with a programmable schedule
• CPC Class Codes: H02J 7/345 : using capacitors as storage or buffering devices
• CPC Class Codes: Y02E 60/13 : Energy storage using capacitors
• CPC Class Codes: Y10T 29/49108 : Electric battery cell making
• CPC Class Codes: Y10T 29/49117 : Conductor or circuit manufacturing

Abstract

A power system adapted for supplying power in a high temperature environment is disclosed. The power system includes a rechargeable energy storage that is operable in a temperature range of between about seventy degrees Celsius and about two hundred and fifty degrees Celsius coupled to a circuit for at least one of supplying power from the energy storage and charging the energy storage; wherein the energy storage is configured to store between about one one hundredth (0.01) of a joule and about one hundred megajoules of energy, and to provide peak power of between about one one hundredth (0.01) of a watt and about one hundred megawatts, for at least two charge-discharge cycles. Methods of use and fabrication are provided. Embodiments of additional features of the power supply are included.

Claims

1. A power system adapted for supplying power in a high temperature environment, the power system comprising:

a rechargeable energy storage that is operable in a temperature range of between about minus forty degrees Celsius and about two hundred and ten degrees Celsius coupled to a circuit for at least one of supplying power from the energy storage and charging the energy storage;

wherein the energy storage is configured to store between about one one hundredth (0.01) of a joule and about one hundred megajoules of energy, and to provide peak power of between about one tenth (0.10) of a watt and about one hundred megawatts, for at least two charge-discharge cycles.

12. The power system of claim 1, wherein the energy storage is configured to store between about one tenth (0.1) of a joule and about one hundred megajoules of energy.

33. The power system of claim 1, wherein the energy storage is configured to charge and discharge for at least 10,000 cycles.

229. The power system of claim 1, wherein the rechargeable energy storage is configured to:

receive relatively constant and relatively low power electrical input from an energy supply;

output a relatively less constant and relatively high power pulsed electrical output to a downhole instrument,

wherein the downhole instrument is characterized by an operation power requirement greater than that which can be supplied by the energy supply.

230. The power system of claim 229, wherein the rechargeable energy storage comprises electrochemical double-layer capacitor and exhibits a leakage current less than 1 amp per liter of volume over a range of operating temperatures and at a voltage up to a rated voltage

231. The power system of claim 230, wherein the rated voltage is at least 0.1 V.

232. The power system of claim 231, wherein the rated voltage is at least 0.5 V.

233. The power system of claim 231, wherein the rated voltage is at least 4 V.

234. The power system of claim 231, wherein the rated voltage is at least 4 V at room temperature and at least 0.5V at temperatures at or above 210 degrees Celsius.

235. The power system of claim 229, wherein the rechargeable energy storage is configured to provide the high power pulsed electrical output at temperatures greater than 210 degrees Celsius.

236. The power system of claim 235, wherein the high power pulsed electrical output is characterized by a peak power of greater than about 100 W.

237. The power system of claim 235, wherein the high power pulsed electrical output is characterized by a peak power of greater than about 1 kW.

242. The power system of claim 1, wherein the power system is configured to withstand shocks of up to at least about 35 times the gravitational acceleration of the Earth.

243. A method using a power system, the method comprising:

selecting the power system of claim 1; and

operating the power system within a temperature range of between about minus forty degrees Celsius and about two hundred and ten degrees Celsius while maintaining a voltage of between about 0.1 Volts to about 4 Volts on the ultracapacitor for at least one hour;

wherein, at the end of the hour, the ultracapacitor exhibits a leakage current less than 1,000 mAmp per liter of volume over the range of operating temperature.

244. The method of claim 243, wherein operating the power system comprises:

coupling the rechargeable energy storage configured for high temperature operation with electronics configured for high temperature operation; and

operating the power system by withdrawing pulses of power from an output of the power system, wherein each pulses comprises a peak value of at least 100 W and a total power-time product (energy) of at least 100 J.

2-11. -11. (canceled)

13-32. -32. (canceled)

34-228. -228. (canceled)