当前位置：
X-MOL 学术
›
Angew. Chem. Int. Ed.
›
论文详情
Our official English website, www.x-mol.net, welcomes your
feedback! (Note: you will need to create a separate account there.)
Single-Molecule Redox-Targeting Reactions for a pH-Neutral Aqueous Organic Redox Flow Battery.
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2020-06-08 , DOI: 10.1002/anie.202004603 Mingyue Zhou 1 , Yan Chen 1 , Manohar Salla 1 , Hang Zhang 1 , Xun Wang 1 , Srinivasa Reddy Mothe 1 , Qing Wang 1
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2020-06-08 , DOI: 10.1002/anie.202004603 Mingyue Zhou 1 , Yan Chen 1 , Manohar Salla 1 , Hang Zhang 1 , Xun Wang 1 , Srinivasa Reddy Mothe 1 , Qing Wang 1
Affiliation
|
Aqueous organic redox flow batteries (AORFBs) have received considerable attention for large‐scale energy storage. Quinone derivatives, such as 9,10‐anthraquinone‐2,7‐disulphonic acid (2,7‐AQDS), have been explored intensively owing to potentially low cost and swift reaction kinetics. However, the low solubility in pH‐neutral electrolytes restricts their application to corrosive acidic or caustic systems. Herein, the single molecule redox‐targeting reactions of 2,7‐AQDS anolyte are presented to circumvent its solubility limit in pH‐neutral electrolytes. Polyimide was employed as a low‐cost high‐capacity solid material to boost the capacity of 2,7‐AQDS electrolyte to 97 Ah L−1. Through in situ FTIR spectroscopy, a hydrogen‐bonding mediated reaction mechanism was disclosed. In conjunction with NaI as catholyte and nickel hexacyanoferrate as the catholyte capacity booster, a single‐molecule redox‐targeting reaction‐based full cell with energy density up to 39 Wh L−1 was demonstrated.
中文翻译：
pH中性水性有机氧化还原液流电池的单分子氧化还原靶向反应。
水性有机氧化还原液流电池（AORFB）在大规模储能方面受到了广泛关注。醌衍生物，例如9,10-蒽醌-2,7-二磺酸（2,7-AQDS），由于潜在的低成本和快速的反应动力学而被广泛研究。但是，在pH中性电解液中的低溶解度限制了其在腐蚀性酸性或腐蚀性系统中的应用。本文介绍了2,7-AQDS阳极电解液的单分子氧化还原靶向反应，以规避其在pH中性电解液中的溶解度限制。聚酰亚胺被用作低成本高容量的固体材料，以将2,7-AQDS电解质的容量提高到97 Ah L -1。通过原位FTIR光谱，揭示了氢键介导的反应机理。结合NaI作为阴极电解液和六氰基高铁酸镍作为阴极电解液容量增强剂，证明了基于单分子氧化还原靶向反应的全电池，其能量密度高达39 Wh L -1。
更新日期：2020-08-10
中文翻译：
pH中性水性有机氧化还原液流电池的单分子氧化还原靶向反应。
水性有机氧化还原液流电池（AORFB）在大规模储能方面受到了广泛关注。醌衍生物，例如9,10-蒽醌-2,7-二磺酸（2,7-AQDS），由于潜在的低成本和快速的反应动力学而被广泛研究。但是，在pH中性电解液中的低溶解度限制了其在腐蚀性酸性或腐蚀性系统中的应用。本文介绍了2,7-AQDS阳极电解液的单分子氧化还原靶向反应，以规避其在pH中性电解液中的溶解度限制。聚酰亚胺被用作低成本高容量的固体材料，以将2,7-AQDS电解质的容量提高到97 Ah L -1。通过原位FTIR光谱，揭示了氢键介导的反应机理。结合NaI作为阴极电解液和六氰基高铁酸镍作为阴极电解液容量增强剂，证明了基于单分子氧化还原靶向反应的全电池，其能量密度高达39 Wh L -1。
京公网安备 11010802027423号