IP Library › Granted Patent US 12,308,483
Granted Patent B2
US 12,308,483 · App. 16/980,644 · Granted May 20, 2025

Electrochemical cells comprising three-dimensional (3D) electrodes including a 3D architectured material, related systems, and related methods of forming hydrogen

Inventors: Wei Wu (Idaho Falls, ID); Dong Ding (Idaho Falls, ID); Ting He (Idaho Falls, ID)
Assignee: Battelle Energy Alliance, LLC
H01M8/0232C25B1/04C25B11/031C25B11/04H01M4/52H01M4/8621H01M4/9033H01M8/1246H01M2008/1293
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Quick Facts
Patent No.
US 12,308,483
App. No.
16/980,644
Granted
May 20, 2025
Kind
B2
Abstract

An electrochemical cell comprising a three-dimensional (3D) electrode, another electrode, and an electrolyte. The 3D electrode comprises a 3D architectured material. Methods of forming the 3D architectured material are also disclosed, as are methods of using the 3D architectured material in methods of forming hydrogen.

Claims (34)

1. An electrochemical cell, comprising:

a three-dimensional (3D) electrode comprising a 3D architectured ceramic fabric textile comprising woven bundles of hollow fibers, the 3D electrode comprising an oxygen ion-conducting oxide material, a triple-conducting oxide material, a double perovskite material, a single perovskite material, a Ruddleson-Popper-type perovskite material, a single perovskite/perovskite composite material, a cermet material comprising at least one metal and at least one perovskite, or a combination thereof, distributed in the 3D architectured ceramic fabric textile;

another electrode; and

an electrolyte between the 3D electrode and the another electrode.

2. The electrochemical cell of claim 1 , wherein the 3D electrode comprises a porous material.

3. The electrochemical cell of claim 1 , wherein the 3D electrode comprising a 3D architectured ceramic fabric textile comprises the woven bundles of hollow fibers and metal oxide particles.

4. The electrochemical cell of claim 1 , wherein the woven bundles of hollow fibers of the 3D electrode comprising a 3D architectured ceramic fabric textile include pores on sidewalls of the hollow fibers.

5. The electrochemical cell of claim 1 , wherein the 3D electrode comprises a chemical formula of MBa 1-x Sr x Co 2-y Fe y O 5+δ , wherein x and y are dopant levels, δ is an oxygen deficit, and M is praseodymium, neodymium, or samarium or a chemical formula of M 2 NiO 4-δ , wherein δ is the oxygen deficit and M is lanthanum, praseodymium, gadolinium, or samarium.

6. The electrochemical cell of claim 1 , wherein the 3D electrode comprises Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3-δ , PrBaCo 2 O 5+δ , PrBa 0.5 Sr 0.5 Co 2-x Fe x O 5+δ , PrBa 0.5 Sr 0.5 Co 1.5 Fe 0.5 O 5+δ , NdBa 0.5 Sr 0.5 Co 1.5 Fe 0.5 O 5+δ , SmBa 0.5 Sr 0.5 Co 1.5 Fe 0.5 O 5+δ , Sm 1-x Sr x CoO 3-δ , BaZr 1-x-y-z Co x Fe y Y z O 3-δ , SrSc x Nd y Co 1-x-y O 3-δ , La 2 NiO 4-δ , Pr 2 NiO 4-δ , Gd 2 NiO 4-δ , Sm 2 NiO 4-δ , Sm 1-x Sr x CoO 3-δ -BZCYYb, Ni-BZCYYb, NiO-BZCYYb, NiO-BaZ r0.1 Ce 0.7 Y 0.2-x Yb x O 3-δ , Ni-BSNYYb, Ni-BaCeO 3 , Ni-BaZrO 3 , Ni-Ba 2 (YSn)O 5.5 , Ni-Ba 3 (CaNb 2 )O 9 ), or a combination thereof, wherein x, y, and z are dopant levels and δ is an oxygen deficit.

7. The electrochemical cell of claim 1 , wherein the 3D electrode comprises PrBa 0.5 Sr 0.5 Co 1.5 Fe 0.5 O 5+δ .

8. The electrochemical cell of claim 1 , wherein at least one of the another electrode or the electrolyte comprises a yttrium-and ytterbium-doped barium-zirconate-cerate material.

9. The electrochemical cell of claim 8 , wherein the another electrode further comprises nickel or nickel oxide.

10. The electrochemical cell of claim 1 , wherein a diameter of the hollow fibers of the woven bundles of hollow fibers ranges from about 3 micrometers to about 4 micrometers.

11. The electrochemical cell of claim 1 , wherein the woven bundles of hollow fibers exhibit pores distributed throughout walls of the woven bundles of hollow fibers.

12. A system, comprising:

at least one steam generator and at least one electrolysis apparatus in fluid communication with the at least one steam generator, the at least one electrolysis apparatus comprising at least one electrochemical cell and the at least one electrochemical cell comprising:

a three-dimensional (3D) electrode comprising a 3D architectured ceramic fabric textile comprising woven bundles of hollow fibers, the hollow fibers comprising openings with an average inner diameter of from about 0.5 micrometers to about 2.5 micrometers;

an electrolyte adjacent the 3D electrode; and

another electrode adjacent the electrolyte; and

a power source electrically connected to the at least one electrochemical cell.

13. The electrochemical cell of claim 12 , wherein the 3D electrode is configured to produce oxygen (O 2 ) and the another electrode is configured to produce hydrogen gas (H 2 ) upon application of a voltage between the 3D electrode and the another electrode.

14. The system of claim 12 , wherein the 3D architectured ceramic fabric textile comprising woven bundles of hollow fibers comprises a 3D architectured ceramic fabric textile comprising at least one metal oxide distributed in the 3D architectured ceramic fabric textile.

15. A method of forming hydrogen, comprising:

introducing water to an electrochemical cell comprising a three-dimensional (3D) electrode comprising a 3D architectured ceramic fabric textile comprising woven bundles of hollow fibers, the 3D electrode comprising an oxygen ion-conducting oxide material, a triple-conducting oxide material, a double perovskite material, a single perovskite material, a Ruddleson-Popper-type perovskite material, a single perovskite/perovskite composite material, a cermet material comprising at least one metal and at least one perovskite, or a combination thereof, distributed in the 3D architectured ceramic fabric textile; another electrode, and an electrolyte between the 3D electrode and the another electrode at a temperature of less than or equal to about 600° C.;

applying a potential difference between the 3D electrode and the another electrode; and

decomposing the water into oxygen gas and hydrogen gas.

16. The method of claim 15 , wherein introducing water to an electrochemical cell at a temperature of less than or equal to about 600° C. comprises introducing the water to the electrochemical cell at a temperature of between about 500° C. and about 600° C.

17. The method of claim 15 , wherein introducing water to an electrochemical cell at a temperature of less than or equal to about 600° C. comprises introducing the water at a temperature of between about 400° C. and about 600°° C.

18. The method of claim 15 , further comprising recovering the oxygen gas and the hydrogen gas from the electrochemical cell.

19. The method of claim 15 , wherein introducing water to an electrochemical cell comprising a 3D electrode comprising a 3D architectured ceramic fabric textile comprising woven bundles of hollow fibers comprises introducing the water to the electrochemical cell comprising the 3D electrode comprising the 3D architectured ceramic fabric textile comprising woven bundles of hollow fibers, the 3D electrode comprising one or more of the oxygen ion-conducting oxide material, the triple-conducting oxide material, the double perovskite material, the single perovskite material, the Ruddleson-Popper-type perovskite material, the single perovskite/perovskite composite material, and the cermet material comprising at least one metal and at least one perovskite, distributed in the 3D architectured ceramic fabric textile.

20. An electrochemical cell, comprising:

a three-dimensional (3D) electrode comprising a 3D architectured ceramic fabric textile comprising woven bundles of hollow fibers and having at least one metal oxide distributed in the 3D architectured ceramic fabric textile;

another electrode; and

an electrolyte between the 3D electrode and the another electrode.

Assignments (1)
CONFIRMATORY LICENSE Recorded Nov 19, 2020
From: BATTELLE ENERGY ALLIANCE, LLC
To: UNITED STATES DEPARTMENT OF ENERGY
Reel/Frame 054415/0973 →
Continuity (2)
Provisional Application 62649823 · Mar 29, 2018
Related Publication 20210020958A1 · Jan 21, 2021
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