Themed collection Flowable energy storage

Decoupling of energy and power; depth of discharge; flexible in design; high safety; recyclable.

Manganese redox couples are a promising candidate for redox flow batteries due to their low cost, ecofriendliness, high standard reduction potential, and variable oxidation states.

Herein, we report on a SOLID bromine complexing agent for bromine catholyte of redox-flow batteries. Phase separation from the electrolyte enables safe, efficient and stable energy storage for more than 250 cycles.

Volumetrically unbalanced compositionally symmetric cell cycling with potentiostatic (CV) or galvanostatic-with-potential-hold (CCCV) protocols is a rigorous technique for evaluating the calendar lifetime of reactants for redox flow batteries.

The influence of tautomerism and nucleophilic addition on chelidamic acid and chelidonic acid, compounds with similar molecular weights but different hetero atoms, was investigated in aqueous organic redox flow batteries.

A unique feature of redox flow batteries (RFBs) is that their open circuit voltage (OCV) depends strongly on the state of charge (SOC).

We show that a number of ubiquitous organic molecules used as redox mediators and chemically sensing species can be used as positive couples in electrochemical energy storage.

Operando confocal microscopy coupled with electrochemistry yields spatially and temporally resolved state of charge maps within porous electrodes.

Remote oxygen plasma is compared to conventional thermal activation of electrodes for flow batteries and their impact on the mass transport and charge transfer properties of the resulting carbons.

This research aims to advance the field of vanadium redox flow batteries (VRFBs) by introducing a pioneering approach to optimize the microstructural characteristics of carbon cloth electrodes.

Proton-coupled electrochemical reactions as proton pumps can facilitate in situ or ex situ pH recovery and capacity rebalancing within single-membrane pH-decoupling batteries.

Membranes are a critical component contributing to cost in flowing-electrolyte electrochemical systems. Flow-field-informed membrane reduction can be adopted to reduce performance compromise.

We investigated bamboo electrodes for use in vanadium redox flow batteries. The electrodes showed promising electrochemical performance, wettability, and a channel structure suitable for vanadium electrolyte flow.

An economically viable thermally annealed cation exchange membrane for polysulfide-based redox flow batteries.

This work proposes an in-plane gradient flow field design which enhances the under-rib convections for redox flow batteries. Furthermore, generalized structured approaches have been proffered for future scientific research.

Using satellite imagery we show that the installation footprint of grid-scale lithium-ion batteries is often comparable to much less energy-dense technologies such as aqueous battery systems.