Super-Fast and Super-Long-Life Rechargeable Zinc Battery

Navid Khodayar; Abolhassan Noori; Mohammad S. RahmanifarYasin ShabangoliAfshin BaghervandMaher F. El-KadyNasim HassaniXueying ChangMehdi Neek-AmalRichard B. KanerMir F. Mousavi

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Super-Fast and Super-Long-Life Rechargeable Zinc Battery

机译：Super-Fast and Super-Long-Life Rechargeable Zinc Battery

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Despite their low cost, safety, environmentally friendliness, and intrinsicnon-flammable nature, the widespread application of aqueous rechargeablezinc-based batteries has been held back by their low coulombic efficiency andthe notorious dendritic growth at the zinc-based anodes, along with the fastcapacity fading of the cathodes. Herein, an aqueous Zn superbattery thatconsists of a mixed ZnCO_3 MnCO_3 grafted onto a graphene aerogel (ZMG)negative electrode and a nanotubular sulfidated Ni-Co-Fe layered doublehydroxide (LDHS) positive electrode is reported. The alkaline ZMG‖LDHSsuperbattery delivers an excellent capacity and a superb rate capability(356 mA h g~(?1)_(cathode) (89 mA h g~(?1)_(total mass)) at 12 A g~(?1); 108 mA h g~(?1)_(cathode) at 300 A g~(?1)), extremely high specific energy and power (568 W h kg~(?1)_(cathode) or 15.8 mW h cm~(?3), 429 kW kg~(?1)_(cathode) or 11.9 W cm~(?3)), along with a high outputvoltage (1.8 V). The device also exhibits unprecedented cycling stability(99.2 capacity retention after 17,000 cycles at 100 depth of discharge)thanks to an electrochemical pulse-driven regenerative mechanism.

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来源
《Advanced energy materials》 |2022年第43期|2202784.1-2202784.16|共16页
作者
Navid Khodayar; Abolhassan Noori; Mohammad S. RahmanifarYasin ShabangoliAfshin BaghervandMaher F. El-KadyNasim HassaniXueying ChangMehdi Neek-AmalRichard B. KanerMir F. Mousavi;
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Department of PhysicsShahid Rajaee Teacher Training UniversityLavizan, Tehran 16875-163, Iran, Department of PhysicsUniversity of AntwerpAntwerp B-2020, Belgium;

Department of Chemistry and Biochemistry andCalifornia NanoSystems InstituteUniversity of California (UCLA)Los Angeles, CA 90095, USA;

Department of ChemistryFaculty of Basic SciencesTarbiat Modares UniversityTehran 14115–175, IranFaculty of Basic SciencesShahed UniversityTehran 3319118–651, IranDepartment of PhysicsShahid Rajaee Teacher Training UniversityLavizan, Tehran 16875-163, Iran;

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electrochemical syntheses; high power batteries; nanotubular sulfidated layered double hydroxides; zinc-manganese carbonate; Zn-superbatteries;

Super-Fast and Super-Long-Life Rechargeable Zinc Battery

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