# US 12,215,572 B2 · Power system for high temperature applications with rechargeable energy storage

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 12,215,572 B2
- Document ID: US12215572B2
- Status: Granted
- Kind: B2
- Application number: 18/201,380
- Filed: 2023-05-24
- Published: 2023-09-21
- Granted: 2025-02-04
- Earliest claimed: 2010-12-21
- Assignees: Fastcap Ultracapacitors LLC
- Applicants: FastCAP Systems Corporation
- Inventors: John J. Cooley; Riccardo Signorelli; Morris Green; Padmanaban Sasthan Kuttipillai; Christopher John Sibbald Deane; Lindsay A. Wilhelmus
- Web page: https://patentgrep.com/patent/US12215572B2

## CPC

- E21B 41/0085: {Adaptations of electric power generating means for use in boreholes}
- H01G 2/065: {for surface mounting, e.g. chip capacitors}
- 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
- H01G 11/10: Multiple hybrid or EDL capacitors, e.g. arrays or modules (housings, cases, encapsulations or mountings thereof H01G11/78)
- 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)
- H01G 11/32: Carbon-based
- H01G 11/52: Separators
- H01G 11/58: Liquid electrolytes
- H01G 11/60: characterised by the solvent
- H01G 11/62: characterised by the solute, e.g. salts, anions or cations therein
- H01G 11/78: Cases; Housings; Encapsulations; Mountings
- H01M 10/39: working at high temperature
- H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)}
- H01M 10/4257: {Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries}
- H01M 10/44: Methods for charging or discharging (circuits for charging H02J7/00)
- H01M 10/46: Accumulators structurally combined with charging apparatus (circuits for charging H02J7/00)
- 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)
- H01M 16/00: Structural combinations of different types of electrochemical generators
- H02J 7/70: characterised by the mechanical construction
- H02J 7/865: {Battery or charger load switching, e.g. concurrent charging and load supply (H02J7/50 takes precedence)}
- H02J 7/92: with prioritisation of loads or sources
- B82Y 30/00: Nanotechnology for materials or surface science, e.g. nanocomposites
- H01G 11/36: Nanostructures, e.g. nanofibres, nanotubes or fullerenes
- H01M 50/107: having curved cross-section, e.g. round or elliptic (H01M50/103, H01M50/109, H01M50/11 take precedence)
- H01M 2010/4271: {Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing}
- 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}
- H01M 2220/10: Batteries in stationary systems, e.g. emergency power source in plant
- H02J 7/345: {using capacitors as storage or buffering devices}
- Y02E 60/13: Energy storage using capacitors
- Y10T 29/49108: Electric battery cell making
- Y10T 29/49117: Conductor or circuit manufacturing
- E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- H01G: CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B3/00; capacitors having potential barriers H10D1/62, H10K10/10)
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## 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

### Claim 1

A power system adapted for supplying power in a high temperature environment, the power system comprising:
a rechargeable energy storage that is configured to store between about one tenth (0.1) of a joule and about one hundred kilojoules of energy, and to provide peak power of between about one watt and about one hundred kilowatts, for at least two charge-discharge cycles; rechargeable energy storage being coupled to a circuit for at least one of supplying power from the energy storage and charging the energy storage; and
wherein the rechargeable energy storage comprises an ultracapacitor comprising an electrochemical double-layer capacitor comprising:
two electrodes wetted with an electrolyte, each electrode being attached to or in contact with or coated onto a current collector and separated from each other by a separator porous to the electrolyte, wherein the electrodes comprise activated carbon, carbon fibers, rayon, graphene, aerogel, carbon cloth, carbon nanotubes and another nano-form of carbon; wherein the electrolyte comprises a plurality of cations and a plurality of anions, the cations comprising at least one of 1-(3-cyanopropyl)-3-methylimidazolium, 1,2-dimethyl-3-propylimidazolium, 1,3-bis(3-cyanopropyl)imidazolium, 1,3-diethoxyimidazolium, 1-butyl-1-methylpiperidinium, 1-butyl-2,3-dimethylimidazolium, 1-butyl-3-methylpyrolidinium, 1-butyl-4-methylpyridinium, 1-butylpyridinium, 1-decyl-3-methylimidazolium, 1-ethyl-3-methylimidazolium and 3-methyl-1-propylpyridinium; the anions comprising at least one of bis(trifluoromethanesulfonate)imide, tris(trifluoromethanesulfonate)methide, dicyanamide, tetrafluoroborate, hexafluorophosphate, trifluoromethanesulfonate, bis(pentafluoroethanesulfonate)imide, thiocyanate, and trifluoro(trifluoromethyl)borate;
wherein the ultracapacitor 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; and
a power supply; where the power supply is configured to supply energy from an energy storage to a logging instrument.

### Claim 2 (depends on 1)

The power system of claim 1, further comprising:
a first subsystem controller;
a first subsystem that is operative to provide a current draw for battery depassivation; where the first subsystem controller is configured to control the first subsystem; and
an automatic bypass; where the automatic bypass determines a failed state for a component of the power system and reroutes power from the energy storage around the failed component; wherein the energy storage is configured to store between about a tenth of a joule and about one hundred kilojoules of energy, and to provide peak power of between about one watt and about one hundred kilowatts, for at least two charge-discharge cycles.

### Claim 3 (depends on 2)

The power system of claim 2, wherein the first subsystem comprises a measurement apparatus that is operative to determine a need for depassivation.

### Claim 4 (depends on 3)

The power system of claim 3, wherein the first subsystem for switching between two modes of operation is configured according to temperature.

### Claim 5 (depends on 2)

The power system of claim 2, wherein the first subsystem is configured to provide at least two modes of operation.

### Claim 6 (depends on 2)

The power system of claim 2, wherein the first subsystem is configured to provide for control of a voltage output from the power system.

### Claim 7 (depends on 2)

The power system of claim 2, wherein the first subsystem is configured to provide for control of a current output from the power system.

### Claim 8 (depends on 2)

The power system of claim 2, wherein the first subsystem is configured to provide for control of a maximum current output from the power system.

### Claim 9 (depends on 2)

The power system of claim 2, wherein the first subsystem is arranged to be configured by way of a remote signal.

### Claim 10 (depends on 2)

The power system of claim 2, wherein the first subsystem is arranged to be configured by way of a user-generated signal.

### Claim 11 (depends on 2)

The power system of claim 2, wherein the first subsystem is configured to provide for deactivation of a circuit.

### Claim 12 (depends on 11)

The power system of claim 11, wherein the first subsystem for switching between two modes of operation includes at least one transistor or relay for switching passive components.

### Claim 13 (depends on 2)

The power system of claim 2, wherein the first subsystem is configured to provide for limiting a voltage output from the power system.

### Claim 14 (depends on 2)

The power system of claim 2, wherein the first subsystem is configured to provide for limiting a current output from the power system.

### Claim 15 (depends on 2)

The power system of claim 2, wherein the first subsystem is configured to provide for control according to temperature.

### Claim 16 (depends on 2)

The power system of claim 2, wherein the first subsystem is configured to provide for control according to vibration.

### Claim 17 (depends on 1)

The power system of claim 1, further comprising a second subsystem controller that is operative to control a second subsystem.

### Claim 18 (depends on 17)

The power system of claim 17, wherein the first subsystem controller and the second subsystem controller are combined to form at least a part of a control circuit.

### Claim 19

A method of fabricating a power system for a logging instrument comprising:
selecting 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 rechargeable energy storage comprises an ultracapacitor comprising an electrochemical double-layer capacitor comprising:
two electrodes wetted with an electrolyte, wherein at least one of the two electrodes comprise activated carbon, carbon fibers, rayon, graphene, aerogel, carbon cloth, carbon nanotubes and another nano-form of carbon; wherein the electrolyte comprises a plurality of cations and a plurality of anions, the cations comprising at least one of 1-(3-cyanopropyl)-3-methylimidazolium, 1,2-dimethyl-3-propylimidazolium, 1,3-bis(3-cyanopropyl)imidazolium, 1,3-diethoxyimidazolium, 1-butyl-1-methylpiperidinium, 1-butyl-2,3-dimethylimidazolium, 1-butyl-3-methylpyrolidinium, 1-butyl-4-methylpyridinium, 1-butylpyridinium, 1-decyl-3-methylimidazolium, 1-ethyl-3-methylimidazolium and 3-methyl-1-propylpyridinium; the anions comprising at least one of bis(trifluoromethanesulfonate)imide, tris(trifluoromethanesulfonate)methide, dicyanamide, tetrafluoroborate, hexafluorophosphate, trifluoromethanesulfonate, bis(pentafluoroethanesulfonate)imide, thiocyanate, and trifluoro(trifluoromethyl)borate;
wherein the electrodes, electrolyte and current collector contain less than 1,000 parts per million (ppm) of impurities, the impurities comprising at least one of halide ions and metallic species, and
wherein the ultracapacitor 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; and
a power supply; where the power supply is configured to supply energy from an energy storage to a logging instrument;
a first subsystem controller;
a first subsystem that is operative to provide a current draw for battery depassivation; where the first subsystem controller is configured to control the first subsystem; and
an automatic bypass; where the automatic bypass determines a failed state for a component of the power system and reroutes power from the energy storage around the failed component; wherein the energy storage is configured to store between about a tenth of a joule and about one hundred kilojoules of energy, and to provide peak power of between about one watt and about one hundred kilowatts, for at least two charge-discharge cycles.