The research and development of MCFC is active in the United States, Europe and Asia. The US main developer is a fuel cell energy company (FC E) and Em Yixi Power Company (M-C Power). European major developers include Dutch Fuel Battery Corporation (BCN), Germany MTU, Italy Ansaldo Institute. Japan’s major developers have Toshiba, • Hitachi, Mitsubishi, Shichuan Island, a multi-tool worker.
1, reduce cost
The development of MCFC entered the first comprehensive test phase. The scale of the test system ranges from 250kW to 2MW. In general, these systems are complicated and therefore cost. They may not fully represent the future of commercial competitive applications. Factors affecting the development of MCFC have cost, performance, reliability, operation and maintenance, which is most important. The most commonly used definition of system cost is the unit power cost (such as US dollars; / kW). Users can use it to measure whether it is used, manufacturers use it to determine investment. Hardware, engineering, etc. is quantitative. There are still some factors that cannot be quantified. In addition, external factors; site, regional price factors, etc. should also be considered.
2, improve performance
Single batteries and battery heap performance are determined by the energy State equation, ohm loss and polarization. The energy is determined by the system design, generally not used to optimize battery heap performance. Improve electrode design, reduce electrode thickness, and the two-pole ohm loss is expected to reduce 50% on the basis. There is a possibility of further reducing the anode immersion, but the possibility of polarization of the cathode polarization is larger.
The network of battery stacks is the technology that appeared in the 1990s. In a conventional MCFC system, the battery stack is parallel to the reaction gas. In the battery heap network design, the battery stack is connected in series, and the relatively cold oxidant gas is added between the battery heap, so that the cooling demand of the system is greatly reduced. In addition, under the premise of the total fuel utilization, the fuel utilization of each battery stack is lowered, so the battery stack efficiency is improved.
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