Methylene Blue in a High-Performance Hydrogen-Organic Rechargeable Fuel Cell
Source abstract
Abstract
High Resolution Image Download MS PowerPoint Slide A hydrogen-organic hybrid flow battery (FB) has been developed using methylene blue (MB) in an aqueous acid electrolyte with a theoretical positive electrolyte energy storage capacity of 65.4 A h L –1 . MB paired with the versatile H 2 /H + redox couple at the negative electrode forms the H 2 –MB rechargeable fuel cell, with no loss in capacity (5 sig. figures) over 30 100% discharge cycles of galvanostatic cycling at 50 mA cm –2, which shows excellent stability. A peak power density of 238 mW cm –2 has also been demonstrated by utilizing 1.0 M MB electrolyte. This represents a type of scalable electrochemical energy storage system with favorable properties in terms of material cost, stability, crossover management, and energy and power density, overcoming many typical limitations of organic-based redox FBs.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced battery technologies research · Electrocatalysts for Energy Conversion · Advanced Battery Technologies Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry, Imperial College London MSRH, White City, London W12 0BZ, U.K.
Shell Global Solutions International B.V., Energy Transition Campus Amsterdam, Grasweg 31, 1031 HW Amsterdam, The Netherlands
Department of Chemical Engineering, Imperial College London, South Kensington, London SW7 2AZ, U.K.
Department of Earth Science and Engineering, Imperial College London, South Kensington, London SW7 2AZ, U.K.
Funding
UK Research and Innovation · Shell Global Solutions International
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