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Advances and challenges of electrolyzers for large-scale CO_(2) electroreduction 被引量:2
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作者 Lei Yuan Shaojuan Zeng +2 位作者 Xiangping Zhang Xiaoyan Ji Suojiang Zhang 《Materials Reports(Energy)》 2023年第1期1-18,I0002,共19页
CO_(2) electroreduction(CO_(2) ER)to high value-added chemicals is considered as a promising technology to achieve sustainable carbon neutralization.By virtue of the progressive research in recent years aiming at desi... CO_(2) electroreduction(CO_(2) ER)to high value-added chemicals is considered as a promising technology to achieve sustainable carbon neutralization.By virtue of the progressive research in recent years aiming at design and understanding of catalytic materials and electrolyte systems,the CO_(2) ER performance(such as current density,selectivity,stability,CO_(2) conversion,etc.)has been continually increased.Unfortunately,there has been relatively little attention paid to the large-scale CO 2 electrolyzers,which stand just as one obstacle,alongside series-parallel integration,challenging the practical application of this infant technology.In this review,the latest progress on the structures of low-temperature CO_(2) electrolyzers and scale-up studies was systematically overviewed.The influence of the CO_(2) electrolyzer configurations,such as the flow channel design,gas diffusion electrode(GDE)and ion exchange membrane(IEM),on the CO_(2) ER performance was further discussed.The review could provide inspiration for the design of large-scale CO_(2) electrolyzers so as to accelerate the industrial application of CO_(2) ER technology. 展开更多
关键词 CO_(2) electroreduction large-scale CO_(2) electrolyzer Flow channel Gas diffusion electrode Ion exchange membrane
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Distributed Model Predictive Control with One-Step Delay Communication for Large-Scale Systems and a Case Study
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作者 张艳 徐成 《Journal of Shanghai Jiaotong university(Science)》 EI 2014年第6期747-754,共8页
A distributed model predictive control(MPC) scheme with one-step delay communication is proposed for on-line optimization and control of large-scale systems in this paper. Cooperation between subsystems is achieved by... A distributed model predictive control(MPC) scheme with one-step delay communication is proposed for on-line optimization and control of large-scale systems in this paper. Cooperation between subsystems is achieved by exchanging information with neighbor-to-neighbor communication and by optimizing the local problem with the improved performance index in the neighborhood. A distributed MPC algorithm with one-step delay communication is developed for the situation that there is a one-step delay in the information available from its neighbors when a subsystem solves the local optimization problem. The nominal stability is employed for the whole system under the distributed MPC algorithm without the inequality constraints. Finally, the case study of the reactor-storage-separator(RSS) system is illustrated to test the practicality of the presented control algorithm. 展开更多
关键词 large-scale systems model predictive control(MPC) exchange information one-step delay communication reactor-storage-separator(RSS)
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