IP Library › Granted Patent US 12,738,521
Granted Patent B2
US 12,738,521 · App. 18/038,403 · Granted Sep 15, 2026

Method for manufacturing protonic ceramic fuel cell and protonic ceramic fuel cell manufactured by given method

Inventors: Kang Taek Lee (Daejeon, KR); Kyeong Joon Kim (Daejeon, KR); Ha Ni Im (Daejeon, KR)
Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
H01M8/1226H01M8/1246H01M2008/1293H01M2300/0074
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,738,521
App. No.
18/038,403
Granted
Sep 15, 2026
Kind
B2
Abstract

There is provided a method for manufacturing a protonic ceramic fuel cell, including: a first step of manufacturing an anode support slurry, an anode reaction layer slurry, and an electrolyte slurry; a second step of performing tape-casting of the respective slurries manufactured in the first step and manufacturing an anode support tape, an anode reaction layer tape, and an electrolyte tape; a third step of forming a lamination structure by sequentially laminating the anode support tape, the anode reaction layer tape, and the electrolyte tape manufactured in the second step; a fourth step of sintering the lamination structure formed in the third step through two steps of heat treatments at respective temperatures different from each other; a fifth step of forming a cathode at a surface of the lamination structure sintered in the fourth step at which the electrolyte tape is positioned; and a sixth step of co-sintering the lamination structure having the cathode formed in the fifth step.

Claims (27)

1 . A method for manufacturing a protonic ceramic fuel cell, the method comprising:

a first step of manufacturing an anode support slurry, an anode reaction layer slurry, and an electrolyte slurry;

a second step of performing tape-casting of the anode support slurry, the anode reaction layer slurry, and the electrolyte slurry manufactured in the first step and manufacturing an anode support tape, an anode reaction layer tape, and an electrolyte tape;

a third step of forming a lamination structure by sequentially laminating the anode support tape, the anode reaction layer tape, and the electrolyte tape manufactured in the second step;

a fourth step of sintering the lamination structure formed in the third step through two steps of heat treatments at respective temperatures different from each other;

a fifth step of forming a cathode at a surface of the lamination structure sintered in the fourth step at which the electrolyte tape is positioned; and

a sixth step of co-sintering the lamination structure having the cathode formed in the fifth step,

wherein the fourth step is performed through a first heat treatment and a second heat treatment which are executed at respective temperatures different from each other, and the first heat treatment is executed at a temperature ranging from 800° C. to 1,000° C. for 12 hours to 20 hours.

2 . The method for manufacturing the protonic ceramic fuel cell according to claim 1 , wherein the first step is performed using resonant acoustic mixing.

3 . The method for manufacturing the protonic ceramic fuel cell according to claim 1 , wherein the anode support slurry contains a complex of a BaCeO3-BaZrO3 solid mixture and NiO.

4 . The method for manufacturing the protonic ceramic fuel cell according to claim 1 , wherein the anode reaction layer slurry contains a complex of a BaCeO3-BaZrO3 solid mixture and NiO.

5 . The method for manufacturing the protonic ceramic fuel cell according to claim 1 , wherein the electrolyte slurry contains a BaCeO3-BaZrO3 solid mixture.

6 . The method for manufacturing the protonic ceramic fuel cell according to claim 1 , wherein the third step is performed by sequentially laminating the anode support tape, the anode reaction layer tape, and the electrolyte tape, and pressing the sequentially laminated anode support tape, anode reaction layer tape, and electrolyte tape at a temperature ranging from 100° C. to 140° C.

7 . The method for manufacturing the protonic ceramic fuel cell according to claim 1 , wherein the second heat treatment is executed using a microwave furnace.

8 . The method for manufacturing the protonic ceramic fuel cell according to claim 7 , wherein the second heat treatment is executed at a temperature ranging from 1,400° C. to 1,600° C. for 30 minutes to 120 minutes.

9 . The method for manufacturing the protonic ceramic fuel cell according to claim 1 , wherein the sixth step is performed at a temperature ranging from 800° C. to 900° C. for 90 minutes to 180 minutes.

10 . The method for manufacturing the protonic ceramic fuel cell according to claim 1 , further comprising: between the second step and the third step, a step of cutting each of the anode support tape, the anode reaction layer tape, and the electrolyte tape manufactured in the second step.

11 . The method for manufacturing the protonic ceramic fuel cell according to claim 1 , further comprising: between the third step and the fourth step, a step of curing the lamination structure manufactured in the third step at room temperature and forming a shape of the lamination structure.

12 . A protonic ceramic fuel cell manufactured in accordance with the method for manufacturing the protonic ceramic fuel cell according to claim 1 .

13 . A method for manufacturing a protonic ceramic fuel cell, the method comprising:

a first step of manufacturing an anode support slurry, an anode reaction layer slurry, and an electrolyte slurry;

a second step of performing tape-casting of the anode support slurry, the anode reaction layer slurry, and the electrolyte slurry manufactured in the first step and manufacturing an anode support tape, an anode reaction layer tape, and an electrolyte tape;

a third step of forming a lamination structure by sequentially laminating the anode support tape, the anode reaction layer tape, and the electrolyte tape manufactured in the second step;

a fourth step of sintering the lamination structure formed in the third step through two steps of heat treatments at respective temperatures different from each other;

a fifth step of forming a cathode at a surface of the lamination structure sintered in the fourth step at which the electrolyte tape is positioned; and

a sixth step of co-sintering the lamination structure having the cathode formed in the fifth step,

wherein the sixth step is performed at a temperature ranging from 800° C. to 900° C. for 90 minutes to 180 minutes.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 23, 2023
From: LEE, KANG TAEK; KIM, KYEONG JOON; IM, HA NI
To: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Reel/Frame 063734/0660 →
Priority Claims (1)
KR 10-2020-0167951 · Dec 4, 2020 · national
Continuity (1)
Related Publication 20240006641A1 · Jan 4, 2024
References Cited (10)
US 10305116B2 · Tong et al. · 2019 [cited by applicant]
US 20200119367A1 · Iijima · 2020 [cited by examiner]
JP 2001236969A · 2001 [cited by applicant]
KR 101439176B1 · 2014 [cited by applicant]
KR 1020150009358A · 2015 [cited by applicant]
KR 101892909B1 · 2018 [cited by applicant]
KR 1020190005083A · 2019 [cited by applicant]
KR101439176B1 Machine translation (Year: 2025). [cited by examiner]
KR20190005083A Machine translation (Year: 2025). [cited by examiner]
Xi Xu et al., “Highly-conductive proton-conducting electrolyte membranes with a low sintering temperature for solid oxide fuel cells”, Journal of Membrane Science, 558 (2018) 17-25. [cited by applicant]