Abstract Aqueous zinc‐metal batteries (AZMBs) are predicted to be an attractive solutions for viable, high‐performance, and large‐scale energy storage applications, but their advancement is greatly hindered by the lack of adequate aqueous electrolytes sustainable cathodes. Herein, ultra‐robust Zn‐polymer AZMB demonstrated using poly(catechol) redox copolymer (P(4VC 86 ‐ stat ‐SS 14 )) as cathode concentrated Zn(TFSI) 2 solution stable electrolyte. The electrolyte shows enhanced ion‐transport...

Abstract Redox‐active conjugated microporous polymers (RCMPs) polymerized by conventional methods are commonly obtained as irregular insoluble solid particles making the electrode processing difficult. In this work, synthesis of RCMP based on anthraquinone moieties (IEP‐11) is developed via a two‐step pathway combining miniemulsion and solvothermal techniques that results in polymer nanostructures much easier to disperse solvents facilitating fabrication electrodes. Interestingly, synthetic...

Nanostructured porous wires of FeCo₂O₄supported on nickel foam were synthesized and employed as binder/additive-free electrodes in asymmetric aqueous supercapacitors, showing a high energy density 23 Wh kg⁻¹.

Abstract Flexible and scalable energy storage solutions are necessary for mitigating fluctuations of renewable sources. The main advantage redox flow batteries is their ability to decouple power energy. However, they present some limitations including poor performance, short‐lifetimes, expensive ion‐selective membranes as well high price, toxicity, scarcity vanadium compounds. We report a membrane‐free battery that relies on the immiscibility electrolytes where replaced by organic molecules....

Redox-active organic compounds have become promising electrode materials for the development of more sustainable, economical, and safer batteries. However, their high electrochemical performance is inherently associated with use low mass-loading electrodes carbon content, which collectively hinders applicability in real This work presents an innovative approach developing high-performance practical through synthesis anthraquinone-based conjugated microporous polymers presence nanostructures...

Hydrogen (H2) is considered as a renewable energy source which has the potential to replace fossil fuel-based economy. When it comes achieve H2 production in sustainable manner, biological methods are preferred among all other technologies. Out of processes, microbial electrolysis cell (MEC) and dark fermentation (DF) have attracted significant attention for because requirement significantly reduced wide range organic matter can be used substrate. However, underlying biochemical reactions...

Capacitive deionization (CDI) is a rapidly emerging desalination technology that promises to deliver clean water while storing energy in the electrical double layer (EDL) near charged surface capacitive format. Whereas most research this subject area has been devoted using CDI for removing salts, little attention paid storage aspect of technology. However, it would allow compete with other processes if could be stored and reused efficiently. This requires operational aspects optimized...

In the present study, effect of mass-balancing electrodes with respect to electrochemical performance carbon-based supercapacitors (SCs) is investigated. It was found that by adjusting mass ratio positive and negative in SCs using same active material both (Pica activated carbon) one can extend operating voltage SC beyond typical window stability for aqueous electrolyte systems. After studying single cyclic voltammetry, symmetric (positive electrode mass) asymmetric (mass 2.46...

Large planar EDLC of strong CNT fibres and ionic liquids with high power energy densities, exhibiting quantum capacitance.

In order for capacitive deionization (CDI) as a water treatment technology to achieve commercial success, substantial improvements in the operational aspects of system should be improved efficiently recover energy stored during step. present work, increase efficiency adsorption–desorption processes, we propose new procedure that utilizes concentrated brine stream washing solution regeneration. Using this approach, demonstrate by replacing electrolyte regeneration with higher conductivity, it...

Organic electrode materials capable of reversible coordination/uncoordination both mono- and multivalent ions in aqueous electrolytes are desired to develop safe, sustainable, cost-effective water-based batteries. Here, we demonstrate the universality bioinspired redox-active polymers bearing catechol pendants reversibly coordinate/uncoordinate numerous cations including H+ Li+ Zn2+ Al3+ with fast kinetics ultralong cyclability. This unprecedented versatility is based on a catecholato–metal...

Abstract Aqueous biphasic systems (ABS) formed by water, ionic liquids (ILs), and salts, in which the two phases are water rich, demonstrated here to act as potential membrane‐free batteries. This concept is feasible due selective enrichment of redox organic molecules each aqueous phase ABS, spontaneously form liquid‐phases above given concentrations salt IL. Therefore, required separation electrolytes battery not driven an expensive membrane that hampers mass transfer, but instead,...

NiCoMnS₂ were subjected to <italic>ex situ</italic>/<italic>operando</italic> measurements, shedding light on energy storage mechanism and electroactivation of mixed sulfides in alkaline media.

Faradaic deionization (FDI) is an emerging water treatment technology based on electrodes able to remove ionic species from by charge transfer reactions. It a young and promising that has attracted much attention due its large capacity store ions the high selectivity of faradaic electrode materials. This study reviews published papers FDI different angles: data mining, bibliometric machine learning. Metrics such as annual growth rate, most important journals, relevant authors, collaborations...

Soil salinization poses a significant challenge to agricultural activities. To address this, the industry seeks an irrigation water solution that reduces both ionic conductivity and sodium adsorption rate (SAR), thereby diminishing risks of soil sodification fostering sustainable crop production. Capacitive deionization (CDI) is attractive electrochemical technology advance this search. Recently, one-dimensional transient CDI model unveiled capacitive ion-exchange mechanism presenting...

The increasing global energy demand and the transition toward a more sustainable system necessitate integration of renewable sources, emphasizing need for effective storage systems. Redox flow batteries (RFBs) are particularly suitable due to their efficiency unique ability decouple power density. However, widespread adoption is hindered by high costs ion-selective membranes vanadium-based electrolytes currently used in commercial vanadium RFBs. This study analyzes an alternative...