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  2. Unravelling rechargeable zinc-copper batteries by a chloride ...

    www.nature.com/articles/s41467-023-37642-2

    The zinc-copper cell delivers a highly reversible capacity of 395 mAh g−1 with nearly 100% coulombic efficiency, affording a high energy density of 380 Wh kg−1 based on the copper chloride...

  3. Charge from Change: Make a Coin Battery - Scientific American

    www.scientificamerican.com/article/charge-from-change-make...

    In this activity you will make a copper–zinc battery using a vinegar and salt solution as the electrolyte. Do you think your battery will generate enough electricity to power an LED? Materials

  4. Synergetic bifunctional Cu-In alloy interface enables Ah ...

    www.nature.com/articles/s41467-024-53831-z

    Rechargeable aqueous zinc-metal batteries, considered as the possible post-lithium-ion battery technology for large-scale energy storage, face severe challenges such as dendrite growth and ...

  5. A New Solution to an Old Challenge: Recharging Cu-Zn Batteries

    www.advancedsciencenews.com/a-new-solution-to-an-old...

    The solution that the researchers present in their current study is therefore based on a simple concept: the use of an alkaline solution to hamper Cu 2+ dissolution and promote the copper battery reversibility. This elegant solution provided Cu clusters with a high specific capacity of 718 mAh g-1.

  6. Chloride electrolyte enabled practical zinc metal battery with a near-unity Coulombic efficiency. Article 23 March 2023. Given the looming concerns of climate change, sustainable energy...

  7. Multicomponent Copper-Zinc Alloy Layer Enabling Ultra-Stable ...

    onlinelibrary.wiley.com/doi/10.1002/anie.202212587

    Constructing stable surface modification layer is an effective strategy to suppress dendrite growth and side reactions of Zinc (Zn) metal anode in aqueous Zn-ion battery.

  8. A novel rechargeable zinc–copper battery without a separator

    www.sciencedirect.com/science/article/pii/S2352152X21008124

    A novel rechargeable separator-less zinc copper battery is presented. •. A coordinating hydrogel is used as electrolyte. •. Hydrogel prevents cross-over of copper ions but allows exchange of sodium ions. •. Characterization after 100 charge–discharge cycles reveals no copper ion crossover.

  9. Strong Ion-Dipole Interactions for Stable Zinc-Ion Batteries ...

    onlinelibrary.wiley.com/doi/10.1002/adfm.202415451

    Aqueous zinc-ion batteries are widely recognized as promising alternatives to lithium batteries due to their excellent safety, environmental compatibility, and cost-effectiveness. Nonetheless, the formation of dendrites, corrosion, and undesirable side reactions on the zinc surface pose significant challenges to the cycling stability of zinc ...

  10. A rechargeable zinc copper battery using a selective cation ...

    www.sciencedirect.com/science/article/pii/S0378775320301762

    The Daniell cell (zinc copper battery) was only used as primary cell due to the copper ion crossover preventing its ability to be stored and recharged. We modify the classic design and introduce a cation exchange membrane as half-cell separator along with a sodium-based background electrolyte.

  11. Zinc Metal-Free Anode Materials for High-Performance Aqueous ...

    pubs.acs.org/doi/10.1021/acssuschemeng.4c06019

    Conventional aqueous zinc-ion batteries (ZIBs) face significant challenges due to the Zn metal anode such as dendrite formation, hydrogen evolution, corrosion, passivation, and low utilization of Zn metal. Zn metal-free ZIBs (ZF-ZIBs) present a promising alternative, garnering increasing research attention to address these fundamental issues. However, reviews on this emerging field remain ...

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