Low-voltage alkaline production using hydrogen and electrocatalytic electrodes
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C02F-001/46
C25B-001/14
B01D-053/32
C25B-001/04
C25B-015/08
C25B-001/18
C25B-009/00
C02F-001/461
출원번호
US-0320332
(2014-06-30)
등록번호
US-9267211
(2016-02-23)
발명자
/ 주소
Gilliam, Ryan J
Decker, Valentin
Boggs, Bryan
Jalani, Nikhil
Albrecht, Thomas A
Smith, Matt
출원인 / 주소
Calera Corporation
대리인 / 주소
Calera Corporation
인용정보
피인용 횟수 :
0인용 특허 :
264
초록▼
An alkaline production system comprising an electrochemical unit comprising a hydrogen-oxidizing anode, a cathode compartment comprising a cathode and a hydrogen delivery system configured to deliver hydrogen gas to the anode, wherein the unit is operably connected to a carbon sequestration system c
An alkaline production system comprising an electrochemical unit comprising a hydrogen-oxidizing anode, a cathode compartment comprising a cathode and a hydrogen delivery system configured to deliver hydrogen gas to the anode, wherein the unit is operably connected to a carbon sequestration system configured to sequester carbon dioxide with the cathode electrolyte; and methods thereof. In another embodiment, a system comprising a hydrogen-oxidizing anode in communication with a cathode electrolyte comprising bicarbonate ion; and an hydrogen delivery system configured to deliver hydrogen gas to the anode; and methods thereof.
대표청구항▼
1. A method comprising: oxidizing hydrogen gas to protons at an anode without producing a gas at the anode wherein the anode comprises a solid support, a mesh/guage support between the solid support and fiber support wherein the solid support and the mesh/guage support comprise electrically conducti
1. A method comprising: oxidizing hydrogen gas to protons at an anode without producing a gas at the anode wherein the anode comprises a solid support, a mesh/guage support between the solid support and fiber support wherein the solid support and the mesh/guage support comprise electrically conductive metal, fiber support wherein the fiber support comprises carbon fiber, carbon fiber paper, carbon fabric, carbon nanowebbing, carbon nanotube, or combinations thereof and electrocatalyst particles wherein the electrocatalyst particles are provided on the solid support, the mesh/guage support, the fiber support, or combinations thereof. 2. The method of claim 1, further comprising producing the hydrogen gas at cathode. 3. The method of claim 2, comprising configuring a hydrogen delivery system to provide the hydrogen gas to the anode from hydrogen gas produced at the cathode. 4. The method of claim 2, further comprising adding carbon dioxide to cathode electrolyte in communication with the cathode and producing hydroxide ions, bicarbonate ions, and/or carbonate ions in the cathode electrolyte. 5. The method of claim 4, wherein the carbon dioxide is contained in an industrial waste gas. 6. The method of claim 5, wherein the carbon dioxide is sequestered as carbonates and/or bicarbonates. 7. The method of claim 6, wherein the carbonates and/or bicarbonates comprise divalent cations. 8. The method of claim 7, wherein the divalent cations comprise calcium ions and/or magnesium ions. 9. The method of claim 1, wherein the electrocatalyst is selected from platinum, single-crystal nickel, Raney nickel, platinized nickel, metal carbide, platinum group metal alloy, transition metal, nickel alloy, sintered nickel, platinum group metals, gold, silver, precious or non-precious chalcogenides, discrete macrocyclic complex of transition metals, biological complexes, and combinations thereof. 10. The method of claim 1, comprising producing an acid in the anode electrolyte. 11. The method of claim 10, further comprising producing divalent cations by dissolving a mineral with the acid. 12. The method of claim 11, wherein the divalent cations comprise calcium ions and/or magnesium ions. 13. The method of claim 1, comprising configuring a plurality of pairs of the anode and cathode in series to receive a common current through each pair of the anode and the cathode. 14. The method of claim 1, comprising configuring a plurality of pairs of the anode and cathode in parallel to receive a common voltage across each pair of the anode and the cathode. 15. The method of claim 1, comprising an anode electrolyte in communication with the anode and a cathode electrolyte in communication with a cathode and configuring a plurality of pairs of the anode electrolyte and cathode electrolyte whereby the cathode electrolyte of a first pair is connected to the cathode electrolyte of a second pair; and the anode electrolyte of a first pair is connected to the anode electrolyte of a second pair. 16. The method of claim 15, comprising adjusting the pH of the cathode electrolyte of the second pair to a value equal to or greater than the pH of the cathode electrolyte in the first pair; and adjusting the pH of the anode electrolyte of the second pair to a value equal to or less than the pH of the anode electrolyte of the first pair. 17. The method of claim 1, comprising an anode electrolyte in communication with the anode and a cathode electrolyte in communication with a cathode and configuring a plurality of pairs of the anode electrolyte and cathode electrolyte whereby the cathode electrolyte and anode electrolyte of a second pair comprise cathode electrolyte from a first pair; and the cathode electrolyte and anode electrolyte of a third pair comprise anode electrolyte from the first pair. 18. The method of claim 17, comprising adjusting the pH of the cathode electrolyte of the second pair to a value equal to or greater than pH of the cathode electrolyte of the first pair; and adjusting the pH of the anode electrolyte of the third pair to a value equal to or less that pH of the anode electrolyte of the first pair. 19. The method of claim 1, wherein the electrically conductive metal comprises titanium, tantalum, niobium, zirconium or semiconductor material.
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