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Intermediate temperature solid oxide fuel cell cathode material

A solid oxide, fuel cell technology, used in solid electrolyte fuel cells, fuel cells, fuel cell components, etc., can solve the problems of high operating temperature, long start-up time, mechanical and chemical compatibility, etc.

Pending Publication Date: 2021-03-05
ROBERT BOSCH GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But a common disadvantage of SOFC devices is their high operating temperature, which can lead to longer start-up times and mechanical and chemical compatibility issues

Method used

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  • Intermediate temperature solid oxide fuel cell cathode material
  • Intermediate temperature solid oxide fuel cell cathode material
  • Intermediate temperature solid oxide fuel cell cathode material

Examples

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Embodiment 1-8

[0101]The above CGCNN model is used to predict the formation of an inorganic compound suitable as an IF-SOFC cathode material. This model is trained using the subset of 440,000 DFT formation enable enormous entries from the OQMD. It also uses the remaining subset from the DFT formation energy data to perform model performance verification.

[0102]The stability of compounds found to be stable by ml were then verified by DFT. The formation of CGCNN predicted can be compared to the convex block capable of calculating the DFT phase spatial data obtained from the OQMD. The test data consists of 110,000 enormous enormous enormous enormous enormous enormous selection, which is not part of the data.

[0103]All DFT calculations are performed using Vienna AB INITIO analog package (VASP). Projection Enrolls Wave (PAW) Method Potential Energy with PerademiW-Burke-Ernzerhof (PBE) Generalized gradient approximately used to exchange related functions. DFT +UThe compounds for V, Cr, Mn, Fe, CO, Ni, Cu,...

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Abstract

The invention relates to an intermediate temperature solid oxide fuel cell cathode material. An intermediate temperature solid oxide fuel cell (IT-SOFC) includes an anode layer, an electrolyte adjacent to the anode layer, and a cathode layer adjacent to the electrolyte and including a material of formula (I) or (II): Sr2OsO4 (I) or Ba2MO4 (II), where M is a transition metal or post-transition metal.

Description

Technical field[0001]The present disclosure relates to a medium temperature solid oxide fuel cell (IT-SOFC) cathode material and IT-SOFC containing the cathode material.Background technique[0002]Like most fuel cell technology, SOFC is at the forefront of power generation technology because they pass like NOxThe minimization of emissions is beneficial to the public. SOFC is generally intended to be used for immobilized applications compared to proton exchange membrane fuel cells that can be applied to automotive applications. SOFC usually has relatively high thermoelectric combined productivity, long-term stability, flexibility and low emissions. However, the usual disadvantage of the SOFC device is their high operating temperature, which may result in longer startup time and mechanical and chemical compatibility issues.Inventive content[0003]According to one embodiment, IT-SOFC is disclosed. The IT-SOFC includes an anode layer, an electrolyte adjacent to the anode layer and a cathod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/90H01M8/10
CPCH01M4/9016H01M8/10C01G55/00C01G33/00C01G39/00C01G15/00C01P2002/54H01M2008/1293H01M2004/8689H01M4/9025Y02E60/50C01G55/004C01G39/02C01P2002/30H01M8/02
Inventor C·W·帕克J·麦罗阿S·金程磊
Owner ROBERT BOSCH GMBH
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