A symmetrical solid oxide battery and its preparation method and application, battery operation system and its construction method
By constructing a symmetrical solid oxide battery using niobium-doped perovskite metal oxide at the B site and cerium oxide doped with rare earth elements, the carbon deposition problem was solved, the carbon dioxide conversion rate and stability were improved, and electrode regeneration and energy consumption were achieved.
CN118888773BActive Publication Date: 2025-01-07ZHUHAI INST OF ADVANCED TECH CO LTD +1
Patent Information
- Application Number
- CN202411389337.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2044-10-08
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Figure CN118888773B_ABST
Abstract
The present invention belongs to the technical field of solid oxide batteries, and provides a symmetrical solid oxide battery and its preparation method and application, a battery operation system and its construction method. The symmetrical solid oxide battery provided by the present invention comprises an oxygen electrode, a first isolation layer, an electrolyte, a second isolation layer, and a fuel electrode arranged in layers in sequence; the raw materials of the oxygen electrode and the fuel electrode include electrode powder, and the electrode powder is a specific B-position doped niobium perovskite metal oxide. By adjusting the electrode material and the symmetrical structure of the battery, the battery can use reducing gas and tail gas to assist in the electrolysis of carbon dioxide, and exhibit excellent carbon dioxide electrolysis performance and stability at 600-850°C, with high carbon dioxide conversion efficiency, good anti-carbon deposition ability, efficient electrode regeneration, and long-term stable operation.
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Citation Information
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