Methods and devices for the production of hydrocarbons from carbon and hydrogen sources
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C25B-003/00
C25B-003/02
출원번호
US-0151206
(2008-05-05)
등록번호
US-8277631
(2012-10-02)
발명자
/ 주소
Eastman, Craig D.
Hole, Douglas R.
출원인 / 주소
Principle Energy Solutions, Inc.
대리인 / 주소
Sidley Austin LLP
인용정보
피인용 횟수 :
35인용 특허 :
14
초록▼
Devices and methods are described for converting a carbon source and a hydrogen source into hydrocarbons, such as alcohols, for alternative energy sources. The influents may comprise carbon dioxide gas and hydrogen gas or water, obtainable from the atmosphere for through methods described herein, su
Devices and methods are described for converting a carbon source and a hydrogen source into hydrocarbons, such as alcohols, for alternative energy sources. The influents may comprise carbon dioxide gas and hydrogen gas or water, obtainable from the atmosphere for through methods described herein, such as plasma generation or electrolysis. One method to produce hydrocarbons comprises the use of an electrolytic device, comprising an anode, a cathode and an electrolyte. Another method comprises the use of ultrasonic energy to drive the reaction. The devices and methods and related devices and methods are useful, for example, to provide a fossil fuel alternative energy source, store renewable energy, sequester carbon dioxide from the atmosphere, counteract global warming, and store carbon dioxide in a liquid fuel.
대표청구항▼
1. A method for the electrochemical production of hydrocarbons from a carbon-containing gas, comprising: obtaining a gaseous first input comprising a carbon-containing gas;obtaining a second input comprising a hydrogen-containing source;contacting the first input with a cathode in the presence of a
1. A method for the electrochemical production of hydrocarbons from a carbon-containing gas, comprising: obtaining a gaseous first input comprising a carbon-containing gas;obtaining a second input comprising a hydrogen-containing source;contacting the first input with a cathode in the presence of a protonic-conducting electrolyte;contacting the second input with an anode in the presence of the electrolyte, wherein the cathode and anode are connected through the electrolyte; andapplying an electrical potential between the cathode and the anode, wherein the electrical potential causes gas-phase electrochemical reduction of the carbon-containing gas at the cathode to produce one or more hydrocarbons;and wherein the method operates at a pressure measured at the cathode of about 5 atm and at a temperature measured at the cathode of above or about 100° C. to less than about 900° C. 2. The method of claim 1, further comprising providing plasma energy to facilitate one or more of reduction of the carbon-containing gas or oxidation of the hydrogen-containing source. 3. The method of claim 1, wherein the cathode is selected from the group consisting of metal electrocatalysts, metal-supported electrocatalysts, metal-oxide supported electrocatalysts, electrocatalytic superconducting materials, and combinations thereof. 4. The method of claim 1, wherein the anode is selected from the group consisting of platinum-ruthenium electrocatalysts, platinum-iridium electrocatalysts, IrO2 electrocatalysts, ultrafine IrO2 powder combined with platinum electrocatalysts, and combinations thereof. 5. The method of claim 1, wherein the electrolyte is selected from the group consisting of polymeric protonic conductors, solid acid protonic conductors, ceramic mixed oxide protonic conductors, and combinations thereof. 6. The method of claim 1, wherein the carbon-containing gas comprises one or more of carbon monoxide and carbon dioxide. 7. The method of claim 1, further comprising providing ultrasonic energy to facilitate one or more of reduction of the carbon-containing gas or oxidation of the hydrogen-containing source. 8. The method of claim 1, wherein the hydrogen-containing source comprises water and wherein the water disassociates at the anode to yield free protons. 9. The method of claim 1, wherein the hydrogen-containing source comprises water in the form of liquid, vapor, or steam, and wherein the water is electrolyzed at the anode to yield free protons. 10. The method of claim 1, wherein the hydrogen-containing source comprises hydrogen gas, and wherein the hydrogen gas dissociates at the anode to yield free protons. 11. The method of claim 1, wherein the carbon-containing gas is obtained by a method comprising: contacting a carbon dioxide-containing gas with a cathode connected to an anode through an electrolyte; andapplying an electrical potential between the cathode and the anode to cause a gas-phase electrochemical reduction of at least some of the carbon dioxide at the cathode to produce a carbon-containing gas comprising carbon monoxide. 12. The method of claim 11, wherein the electrolyte for producing carbon-containing gas comprises an anionic conductor. 13. The method of claim 1, wherein the electrolyte comprises a mixed oxide protonic conductor. 14. The method of claim 1, wherein the cathode comprises a Fischer-Tropsch catalyst. 15. The method of claim 1, wherein the method operates at a temperature measured at the cathode of at least about 200° C. to less than about 900° C.
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