# US 2014/0190838 A1 · Concentric layer electric double layer capacitor cylinder, system, and method of use > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0190838 A1 - Document ID: US20140190838A1 - Status: Published application - Kind: A1 - Application number: 14/152,918 - Filed: 2014-01-10 - Published: 2014-07-10 - Earliest claimed: 2009-09-08 - Inventors: Patrick Michael Curran - Web page: https://patentgrep.com/patent/US20140190838A1 ## CPC - C02F 1/4691: {Capacitive deionisation} - C02F 1/46104: {Devices therefor; Their operating or servicing} - H01G 11/10: Multiple hybrid or EDL capacitors, e.g. arrays or modules (housings, cases, encapsulations or mountings thereof H01G11/78) - H01G 11/32: Carbon-based - H01G 11/34: characterised by carbonisation or activation of carbon - H01G 11/44: Raw materials therefor, e.g. resins or coal - H01G 11/52: Separators - H01G 11/78: Cases; Housings; Encapsulations; Mountings - C02F 2001/46133: {characterised by the material} - C02F 2001/46152: {characterised by the shape or form} - C02F 2001/46171: {Cylindrical or tubular shaped} - C02F 2201/003: Coaxial constructions, e.g. a cartridge located coaxially within another - C02F 2201/4611: Fluid flow - C02F 2201/46115: Electrolytic cell with membranes or diaphragms - Y02E 60/13: Energy storage using capacitors - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02W 10/37: using solar energy - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) - 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) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION - Y02W: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT ## Abstract This invention relates to an electric double layer capacitor electrochemical cylinder (11) made up of concentric layers of capacitors (16), current collectors (14a, 14b, 14c), ion specific membranes (18, 18a, 18b) and dielectric spacer (20) wrapped around an inner support tube (12) that can be used as a high capacitance capacitor and to remove dissolved solids from a liquid stream such as water, acid, aqueous or non-aqueous. ## Claims ### Claim 1 A concentric layer electric double layer capacitor cylinder for use in deionizing aqueous streams, comprising: a. a plurality of concentrically opposed capacitor pairs of predetermined diameter and length, b. a dielectric spacer interposed between one of said capacitors in pairs and its adjacent capacitor with similar predetermined length and position, c. a means of containing said capacitors and spacers, d. a means of introducing an electrical charge to said capacitor pairs, and e. a means of introducing and removing a liquid to said dielectric spacer whereby said liquid can be deionized by said cylinder. ### Claim 2 (depends on 1) The electrical double layer capacitor cylinder of claim 1 wherein said capacitor pairs are made of activated carbon, carbon black, and polytetrafluoroethylene. ### Claim 3 (depends on 1) The electrical double layer capacitor cylinder of claim 1 wherein one ion specific membrane is interposed between said capacitor and said dielectric spacer. ### Claim 4 (depends on 1) The electrical double layer capacitor cylinder of claim 1 wherein the capacitor and ion specific membrane are integrated. ### Claim 5 (depends on 1) The electrical double layer capacitor cylinder of claim 1 wherein said capacitor and said means of introducing electrical charge are integrated. ### Claim 6 (depends on 1) The electrical double layer capacitor cylinder of claim 1 wherein said capacitor, said means of introducing electrical charge, and said ion specific membrane are integrated. ### Claim 7 (depends on 1) The electrical double layer capacitor cylinder of claim 1 wherein said means of introducing electrical charge is the casing of the cylinder. ### Claim 8 (depends on 1) The electrical double layer capacitor cylinder of claim 1 wherein means of introducing an electrical charge to said capacitor pairs is comprised of titanium sheet. ### Claim 9 (depends on 1) The electrical double layer capacitor cylinder of claim 1 wherein the means of containing said capacitors and spacers is an inner support tube and outer casing or seal. ### Claim 10 (depends on 1) The electrical double layer capacitor cylinder of claim 1 wherein said capacitor pairs are less than 0.050″ thick. ### Claim 11 (depends on 1) The electrical double layer capacitor cylinder of claim 1 wherein said capacitor pairs are comprised of agents that impart larger capacitance per unit volume than activated carbon. ### Claim 12 A method for deionizing water containing ionic components comprising: a. A concentric layer electric double layer capacitor cylinder b. A power supply c. And a means for controlling system ### Claim 13 (canceled) ### Claim 14 A concentric layer electric double layer capacitor cylinder for storing electrical energy, comprising: a. a plurality of concentrically opposed capacitor pairs, b. a dielectric spacer interposed between one of said capacitor in pairs and its adjacent capacitor, c. a means of containing said capacitors and spacers whereby said cylinder can store electrical energy, and d. a means of introducing electrical charge to said capacitor pairs. ### Claim 15 (depends on 14) The electrical double layer capacitor of claim 14 wherein said capacitor pairs are made of activated carbon, carbon black, and polytetrafluoroethylene. ### Claim 16 (depends on 14) The electrical double layer capacitor cylinder of claim 14 wherein means of introducing an electrical charge to said capacitor pairs is comprised of titanium sheet. ### Claim 17 (depends on 14) The electrical double layer capacitor cylinder of claim 14 wherein the means of containing said capacitors and spacers is an inner support tube and outer casing or seal. ### Claim 18 (depends on 14) The electrical double layer capacitor cylinder of claim 14 wherein said capacitor pairs are less than 0.050″ thick. ### Claim 19 (canceled)