Stress management

IF 44.6 1区 化学 Q1 CHEMISTRY, PHYSICAL
Benjamin Martindale
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引用次数: 0

Abstract Image

压力管理
采用在线电感耦合等离子体质谱(SFC-ICP-MS)扫描流动池测量OER条件下时间分辨Ir溶出度。在保持电荷恒定的情况下,通过调整电流密度和脉冲时间,发现在缩短电流脉冲五倍的情况下仍能保持总溶解。研究人员将其归因于从短暂溶解到达到稳定状态的溶解比例的变化,这导致了总体上相等的溶解水平。然而,进一步减少脉冲时间,导致溶解和催化剂脱离增加。研究人员还通过将固定的总脉冲时间分解为更短的方波脉冲,研究了动态与静态应力的影响。这种动态应力测试似乎通过瞬态溶解增加了溶解总量。当校正了假电容的贡献后,这些数据与文献中报道的全电池性能很好地相关,可能为实际设备的稳定性提供更好的预测能力。虽然需要做更多的工作来全面开发预测电化学装置中催化剂稳定性的快速协议,但这种方法表明,在提高其与实际系统的相关性的同时,有可能缩短AST协议的时间框架。
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来源期刊
Nature Catalysis
Nature Catalysis Chemical Engineering-Bioengineering
CiteScore
52.10
自引率
1.10%
发文量
140
期刊介绍: Nature Catalysis serves as a platform for researchers across chemistry and related fields, focusing on homogeneous catalysis, heterogeneous catalysis, and biocatalysts, encompassing both fundamental and applied studies. With a particular emphasis on advancing sustainable industries and processes, the journal provides comprehensive coverage of catalysis research, appealing to scientists, engineers, and researchers in academia and industry. Maintaining the high standards of the Nature brand, Nature Catalysis boasts a dedicated team of professional editors, rigorous peer-review processes, and swift publication times, ensuring editorial independence and quality. The journal publishes work spanning heterogeneous catalysis, homogeneous catalysis, and biocatalysis, covering areas such as catalytic synthesis, mechanisms, characterization, computational studies, nanoparticle catalysis, electrocatalysis, photocatalysis, environmental catalysis, asymmetric catalysis, and various forms of organocatalysis.
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