Learn more. The growing demand for grid-scale energy storage calls for safe and low-cost solutions, for which zinc-iodine flow batteries (ZIFBs) are highly promising. However, their practical application is critically hindered by two issues: accumulation of insoluble solid iodine at the cathode and zinc dendrite growth at the anode.
A zinc–iodine flow battery (ZIFB) with long cycle life, high energy, high power density, and self-healing behavior is prepared. The long cycle life was achieved by employing a low-cost porous polyolefin membrane and stable electrolytes. The pores in the membrane can be filled with a solution containing I 3− that can react with zinc dendrite.
Aqueous zinc-iodine flow batteries show potential in large-scale storage but face water imbalance-induced instability. Here, authors develop a tailored ionic-molecular sieve membrane that selectively intercepts hydrated ions, enabling stable high-capacity long cycling with low projected costs.
For example, in flow batteries, the generated I 2 needs to be converted into a highly soluble I 3- to avoid the deposition of elemental iodine on the electrode surface and block the electrolyte transport pathway, but in static batteries, the positive electrodes generally have strong adsorption to confine iodine to avoid shuttle effect.
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This work offers insights into controlling water transport behaviors for realizing long-life flow batteries. Subject terms: Batteries, Batteries, Energy grids and networks, Batteries, Metal …
However, the development of zinc‑iodine flow batteries still suffers from low iodide availability, iodide shuttling effect, and zinc dendrites.
A zinc–iodine single flow battery (ZISFB) with super high energy density, efficiency and stability was designed and presented for …
Enhanced iodine redox chemistry and iodine species anchoring play a determining role in the advancement of zinc-iodine (Zn-I2) batteries, and it remains a major challenge to …
A zinc-iodine flow battery (ZIFB) with long cycle life, high energy, high power density, and self-healing behavior is prepared. The long cycle life was achieved by employing …
Aqueous zinc-iodine flow batteries show potential in large-scale storage but face water imbalance-induced instability. Here, authors develop a tailored ionic-molecular sieve …
A zinc–iodine flow battery (ZIFB) with long cycle life, high energy, high power density, and self-healing behavior is prepared. The long cycle life was achieved by employing …
The polysulfide/iodide redox flow battery (PSIB) achieved one of the highest energy densities for all-liquid aqueous RFBs (43.1 W h L −1Catholyte+Anolyte) with high coulombic …
To exploit low-cost and high-capacity polysulfide flow batteries with industrial-relevant cycling stability, we develop a charge-reinforced ion-selective membrane to retain …
As demand for high-performance energy storage grows across grid and mobility sectors, multivalent ion batteries (MVIBs) have emerged as promising alternatives to lithium …
Checkforupdates Aqueous Zn-I flow batteries are attractive for grid storage owing to their inherent safety, high energy density, and cost-effectiveness.
A zinc–iodine flow battery (ZIFB) with long cycle life, high energy, high power density, and self-healing behavior is prepared. The …
Abstract Zinc-iodine flow battery (ZIFB) holds great potential for grid-scale energy storage because of its high energy density, good safety and inexpensiveness. However, the …
Aqueous zinc-iodine batteries (AZIBs) are promising for cost-effective energy storage. However, some critical problems related to the slow reaction ki…
A Long Cycle Life, Self‐Healing Zinc–Iodine Flow Battery with High Power Density Abstract A zinc–iodine flow battery (ZIFB) with long cycle life, high energy, high power density, …
A synergistic electrolyte engineering strategy is proposed to overcome the coupled stability challenges of the cathode and anode in zinc-iodine flow batteries by introducing …
Zinc-based flow batteries (ZFBs) have shown great promise as large-scale energy storage devices due to their high energy density, low cost and environmental friendliness. In …
The growing demand for grid-scale energy storage calls for safe and low-cost solutions, for which zinc-iodine flow batteries (ZIFBs) are highly promising. However, their practical application is …
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