Holistic design principles for flow batteries: Cation dependent membrane resistance and active species solubility

2022 ◽  
Vol 520 ◽  
pp. 230877
Author(s):  
Scott E. Waters ◽  
Jonathan R. Thurston ◽  
Robert W. Armstrong ◽  
Brian H. Robb ◽  
Michael P. Marshak ◽  
...  
Keyword(s):  
Design Principles ◽  
Membrane Resistance ◽  
Active Species ◽  
Flow Batteries ◽  
Holistic Design

Characterization of a BODIPY Dye as an Active Species for Redox Flow Batteries

ChemSusChem ◽  
2016 ◽  
Vol 9 (23) ◽  
pp. 3317-3323 ◽  
Author(s):  
Anjula M. Kosswattaarachchi ◽  
Alan E. Friedman ◽  
Timothy R. Cook
Keyword(s):  
Active Species ◽  
Redox Flow Batteries ◽  
Flow Batteries

Exploring polycyclic aromatic hydrocarbons as an anolyte for nonaqueous redox flow batteries

2018 ◽  
Vol 6 (27) ◽  
pp. 13286-13293 ◽  
Author(s):  
Gongwei Wang ◽  
Bing Huang ◽  
Dan Liu ◽  
Dong Zheng ◽  
Joshua Harris ◽  
...  
Keyword(s):  
Polycyclic Aromatic Hydrocarbons ◽  
Aromatic Hydrocarbons ◽  
Active Species ◽  
Redox Flow Batteries ◽  
Redox Active ◽  
Flow Batteries ◽  
Polycyclic Aromatic

A series of polycyclic aromatic hydrocarbons were systematically investigated as the anode redox-active species for nonaqueous flow batteries.

Redox Flow Batteries for Energy Storage: A Technology Review

2017 ◽  
Vol 15 (1) ◽  
Author(s):  
Ruijie Ye ◽  
Dirk Henkensmeier ◽  
Sang Jun Yoon ◽  
Zhifeng Huang ◽  
Dong Kyu Kim ◽  
...  
Keyword(s):  
Energy Storage ◽  
Electrode Materials ◽  
High Efficiency ◽  
Storage Systems ◽  
Low Cost ◽  
Renewable Energy Sources ◽  
Active Species ◽  
Energy Storage Systems ◽  
Redox Flow Batteries ◽  
Flow Batteries

The utilization of intermittent renewable energy sources needs low-cost, reliable energy storage systems in the future. Among various electrochemical energy storage systems, redox flow batteries (RFBs) are promising with merits of independent energy storage and power generation capability, localization flexibility, high efficiency, low scaling-up cost, and excellent long charge/discharge cycle life. RFBs typically use metal ions as reacting species. The most exploited types are all-vanadium RFBs (VRFBs). Here, we discuss the core components for the VRFBs, including the development and application of different types of membranes, electrode materials, and stack system. In addition, we introduce the recent progress in the discovery of novel electrolytes, such as redox-active organic compounds, polymers, and organic/inorganic suspensions. Versatile structures, tunable properties, and abundant resources of organic-based electrolytes make them suitable for cost-effective stationary applications. With the active species in solid form, suspension electrolytes are expected to provide enhanced volumetric energy densities.

scholarly journals Holistic design of online degree programmes in higher education – a case study from Finland

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Marjo Susanna Joshi
Keyword(s):  
Higher Education ◽  
Well Being ◽  
Design Principles ◽  
Instructional Designers ◽  
Digital Competence ◽  
Content Type ◽  
Pedagogical Strategy ◽  
Holistic Design ◽  
Online Degree

PurposeThe purpose of this paper is to present design principles for holistic design of online degree programmes (ODPs) in higher education (HE). The study adds to previous research on online programme design by examining how the digital competence and pedagogical strategy of a HE organisation can inform holistic ODP design.Design/methodology/approachThis paper presents a case study placed in the context of a Finnish applied HE organisation. Design-based research (DBR) process is used to create holistic design principles for new ODPs. Theoretical framework for the study is digitally competent organisation (Kampylis et al., 2015) and pedagogical strategy is innovation pedagogy (Kettunen et al., 2013).FindingsDesign principles for pedagogically informed holistic design of ODPs are presented as a three-tiered model comprising organisational, pedagogical and ODP layers. Each layer includes various principles for holistic design to integrate an organisation's pedagogical strategy in a digitally competent context to create quality ODPs.Research limitations/implicationsThe paper presents a case study from a HE organisation in Finland, but results are applicable to a wider global audience.Practical implicationsAs a contribution to practitioners, this paper presents a three-tiered holistic design of ODP in HE organisation, where the design principles are categorised in organisational, pedagogical and ODP design layers. In addition, suggestions to managers, instructional designers and educators are made for the holistic design of ODPs.Social implicationsBuilding the sense of community in ODPs and offering continuous support in pedagogy and technology are valuable for the well-being of the staff, students and the wider society.Originality/valueThe paper draws relationships between holistic design of ODPs, digital competence and pedagogical strategy. The paper provides managerial and operational viewpoints to managers, administrators and educators of HE organisations that plan to create new ODPs with a holistic focus on the educational organisation, its pedagogical strategy and digital competence. Recommendations for further development, possible applications and research of ODP education are made.

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