基于相变金属铜的固体氧化物储能电池的热能管理
Heat Management Based on Phase-Change Metal Copper in Solid Oxide Cell System

DOI: 10.12677/SG.2016.66040, PP. 360-375

Keywords: 固体氧化物储能电池，热能管理，相变金属，铜
Solid Oxide Cell System, Heat Management, Phase Change Metal, Copper

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Abstract:

本论文通过模拟仿真模拟燃料电极支撑的Ni-YSZ/YSZ/LSM平板型固体氧化物电池储能系统，基于相变金属铜进行热能存储与利用，研究该电池系统的电能循环效率。研究发现，开路电压对于荷电状态的依赖要比对系统压力更为明显，平板型电池的极化电阻主要来源于金属电极的活化极化。系统气体和部件等热量平衡可显著影响系统运行温度，因此通过系统保温措施可减少热能损失从而提高系统效率。通过利用金属铜将燃料电池模式下的热能进行存储，而在电解池模式下释放热能以维持电池系统运行，电能的热能循环效率可高达80%以上，满足商业化大规模批量化生产要求的标准。
In this paper, we investigate the heat storage and utilization based on copper metal tank to en-hance the electricity cycling efficiency in the solid oxide cell system with a configuration of Ni-YSZ/ YSZ/LSM. It is found that the OCVs of this planar solid oxide cell system rely more on the state of chare than system pressure and the cell polarization resistances mostly come from the fuel electrode polarization. The system temperature can be effectively changed by the heat balance of gas, cell component and operation circumstance. While the heat loss in the system has a huge influence on the system temperature and electricity cycling efficiency. It is found that the electricity cycling efficiency can reach above 80% of the commercial mass production standards when copper tank is utilized for heat storage in fuel cell mode and heat utilization in electrolysis cell mode.

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