The present disclosure relates to the field of materials, and in particular, to a method for preparing anti-coking Ni-YSZ anode materials for SOFC. The present disclosure provides a method for preparing a SOFC anode material, including: (1) providing the mixed powder of NiO and YSZ; (2) subjecting the mixed powder provided in step (1) to two-phase mutual solid solution treatment; (3) adjusting the particle size of the product obtained in the solid solution treatment in step (2). The SOFC anode material provided by the present disclosure could prepare the SOFC anode with good carbon deposition resistance. The anode material as a whole has the advantages of low cost, good catalytic performance, desirable electronic conductivity and well chemical compatibility with YSZ, etc. The long-term stability of cell performance is strong, and the cell preparation method is also easy to achieve industrialization.

The present invention relates to a solid electrolyte, its precursor, methods for producing the same as well as its use, e.g. in electrochemical cells and capacitors, fuel cells, batteries and sensors.

A cathode in a solid oxide fuel cell containing AgPrCoO.sub.3. The operating temperature range of the cathode is from about 400° C. to about 850° C.

A solid electrolyte including a compound represented by Formula 1 or 3, the compound having a glass transition temperature of −30° C. or less, and a glass or glass-ceramic structure,
AQX—Ga.sub.1−zM.sub.z1(F.sub.1−kCl.sub.k).sub.3−3zZ.sub.3z1  Formula 1
wherein, in Formula 1, Q is Li or a combination of Li and Na, K, or a combination thereof, M is a trivalent cation, or a combination thereof, X is a halogen other than F, pseudohalogen, OH, or a combination thereof, Z is a monovalent anion, or a combination thereof, 1<A<5, 0≤z≤1, 0≤z1≤1, and 0≤k<1,
AQX-aM.sub.z1Z.sub.3z1-bGa.sub.1−z(F.sub.1−kCl.sub.k).sub.3−3z  Formula 3 wherein, in Formula 3, Q is Li or a combination of Li and Na, K, or a combination thereof; M is a trivalent cation, or a combination thereof, X is a halogen other than F, pseudohalogen, OH, or a combination thereof, Z is a monovalent anion, or a combination thereof, 0<a≤1, 0<b≤1, 0<a+b, a+b=4−A, 1<A<5, 0≤z<1, 0≤z1≤1, and 0≤k<1.

A solid electrolyte including a compound represented by Formula 1 or 3, the compound having a glass transition temperature of −30° C. or less, and a glass or glass-ceramic structure,

AQX-Ga.sub.1-zM.sub.z1(F.sub.1-kCl.sub.k).sub.3-3zZ.sub.3z1  Formula 1

wherein, in Formula 1, Q is Li or a combination of Li and Na, K, or a combination thereof, M is a trivalent cation, or a combination thereof, X is a halogen other than F, pseudohalogen, OH, or a combination thereof, Z is a monovalent anion, or a combination thereof, 1<A<5, 0≤z≤1, 0≤z1≤1, and 0≤k<1,

AQX-aM.sub.z1Z.sub.3z1-bGa.sub.1-z(F.sub.1-kCl.sub.k).sub.3-3z  Formula 3 wherein, in Formula 3, Q is Li or a combination of Li and Na, K, or a combination thereof; M is a trivalent cation, or a combination thereof, X is a halogen other than F, pseudohalogen, OH, or a combination thereof, Z is a monovalent anion, or a combination thereof, 0<a≤1, 0<b≤1, 0<a+b, a+b=4−A, 1<A<5, 0≤z<1, 0≤z1≤1, and 0≤k<1.

A solid electrolyte including a compound represented by Formula 1 or 3, the compound having a glass transition temperature of -30° C. or less, and a glass or glass-ceramic structure,

##STR00001##

wherein, in Formula 1, Q is Li or a combination of Li and Na, K, or a combination thereof, M is a trivalent cation, or a combination thereof, X is a halogen other than F, pseudohalogen, OH, or a combination thereof, Z is a monovalent anion, or a combination thereof, 1<A<5, 0≤z<1, 0≤z1≤1, and 0≤k<1, wherein, in Formula 3, Q is Li or a combination of Li and Na, K, or a combination thereof; M is a trivalent cation, or a combination thereof, X is a halogen other than F, pseudohalogen, OH, or a combination thereof, Z is a monovalent anion, or a combination thereof, 0<a≤1, 0<b≤1, 0<a+b, a+b=4-A, 1<A<5, 0≤z<1, 0≤z1≤1, and 0≤k<1.

The invention relates to a method of producing electrode materials for solid oxide cells which comprises applying an electric potential to a metal oxide which has a perovskite crystal structure. The resultant electrode catalyst exhibits excellent electrochemical performance. The invention extends to the electrode catalyst itself, and to electrodes and solid oxide cells comprising the electrode catalyst.

A cathode in a solid oxide fuel cell containing AgPrCoO.sub.3. The operating temperature range of the cathode is from about 400° C. to about 850° C.

The present disclosure relates to the field of materials, and in particular, to a method for preparing anti-coking Ni-YSZ anode materials for SOFC. The present disclosure provides a method for preparing a SOFC anode material, including: (1) providing the mixed powder of NiO and YSZ; (2) subjecting the mixed powder provided in step (1) to two-phase mutual solid solution treatment; (3) adjusting the particle size of the product obtained in the solid solution treatment in step (2). The SOFC anode material provided by the present disclosure could prepare the SOFC anode with good carbon deposition resistance. The anode material as a whole has the advantages of low cost, good catalytic performance, desirable electronic conductivity and well chemical compatibility with YSZ, etc. The long-term stability of cell performance is strong, and the cell preparation method is also easy to achieve industrialization.

The invention relates to a method of producing electrode materials for solid oxide cells which comprises applying an electric potential to a metal oxide which has a perovskite crystal structure. The resultant electrode catalyst exhibits excellent electrochemical performance. The invention extends to the electrode catalyst itself, and to electrodes and solid oxide cells comprising the electrode catalyst.