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    Home»Solar»Calcium metal battery capable of more than 500 cycles – pv magazine International
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    Calcium metal battery capable of more than 500 cycles – pv magazine International

    cindy kBy cindy kMay 31, 2023Updated:June 21, 2025No Comments2 Mins Read
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    Researchers at Tohoku College in Japan have developed a prototype calcium battery with a protracted cycle lifetime of greater than 500 charge-discharge cycles. The battery is made utilizing a hydride-based electrolyte and a copper sulfide nanoparticle/carbon composite cathode.

    Might 31, 2023 Maria Maisch

    Prototype Ca metallic battery

    Picture: Tohoku College, Artistic Commons License CC BY 4.0

    Rechargeable calcium metallic batteries have emerged as a promising choice within the seek for next-generation power storage gadgets, that are anticipated to have increased power density and decrease prices than present lithium. -ion ​​batteries. Nevertheless, challenges, reminiscent of calcium metallic passivation by electrolytes and lack of cathode supplies with environment friendly calcium ion storage capabilities, hinder the sensible improvement of the know-how.

    To beat these limitations, researchers at Tohoku College in Japan have lately developed a prototype calcium metallic rechargeable battery that may carry out greater than 500 cycles of repeated charging and discharging. The battery was developed utilizing a hydride-based electrolyte and a copper sulfide (CuS) nanoparticle/carbon composite cathode. It reveals higher efficiency than state-of-the-art calcium metallic batteries by way of charge functionality and cycle life.

    The mix of a CuS/C nanocomposite and a tailor-made monocarborane electrolyte answer of Ca(CB11H12)2 of dimethoxyethane/tetrahydrofuran (DME/THF) enabled a calcium metallic battery with a capability retention of 92% based mostly on the capability of the tenth cycle.

    “This research confirms the opportunity of long-term operation of Ca metallic anodes and may speed up the event of Ca metallic batteries,” the researchers wrote in “Calcium Steel Batteries with Lengthy Life Utilizing Hydride-Primarily based Electrolyte and Copper Sulfide Electrode ,” which was lately printed in Superior Science.

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