Engineering stable Zn-MnO2 batteries by synergistic stabilization between the carbon nanofiber core and birnessite-MnO2 nanosheets shell
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2020.126969
Abstract: Abstract Aqueous Zn/MnO2 batteries have attracted considerable attention for large-scale energy storage application owing to their low cost, high safety and environmental friendliness. However, MnO2 cathodes still suffer from the inferior utilization and deficient cyclability… read more here.
Keywords: mno2; mno2 nanosheets; mno2 batteries; core ... See more keywords
Parasitic electrodeposition in Zn-MnO2 batteries and its suppression for prolonged cyclability
Sign Up to like & getrecommendations! Published in 2020 at "Energy Storage Materials"
DOI: 10.1016/j.ensm.2020.12.015
Abstract: Abstract The utilization of mildly acidic electrolyte and corresponding Mn salt pairing unlocked a path toward highly rechargeable Zn-MnO2 batteries, but long-term feasibility of these cathode-preserving strategy under practical conditions is never verified. In this… read more here.
Keywords: electrodeposition mno2; mno2 batteries; parasitic electrodeposition; batteries suppression ... See more keywords
Synthesis of manganese ferrite from spent Zn–MnO2 batteries and its application as a catalyst in heterogeneous photo-Fenton processes
Sign Up to like & getrecommendations! Published in 2020 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2020.103716
Abstract: Abstract The widespread use, serious environmental impacts, and high disposal costs of Zn–MnO2 batteries make their recycling attractive and necessary. In this study, manganese ferrite was synthesized by two routes: from commercial reagents (MnFe2O4-R) and… read more here.
Keywords: heterogeneous photo; mno2 batteries; microscopy; spent mno2 ... See more keywords
Interfacial chemical binding and improved kinetics assisting stable aqueous Zn–MnO2 batteries
Sign Up to like & getrecommendations! Published in 2020 at "Materials Today Energy"
DOI: 10.1016/j.mtener.2020.100475
Abstract: Abstract The major limitation of low-cost and high-safety aqueous Zn–MnO2 batteries for grid storage is largely hampered by their poor cyclic stability, which is usually caused by the manganese dissolution and interfacial kinetics. Herein, we… read more here.
Keywords: mno2 batteries; chemical binding; interfacial chemical; aqueous mno2 ... See more keywords
Simultaneous Elucidation of Solid and Solution Manganese Environments via Multiphase Operando Extended X-ray Absorption Fine Structure Spectroscopy in Aqueous Zn/MnO2 Batteries
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c09477
Abstract: Aqueous Zn/MnO2 batteries (AZMOB) with mildly acidic electrolytes hold promise as potential green grid-level energy storage solutions for clean power generation. Mechanistic understanding is critical to advance capacity retention needed by the application but is… read more here.
Keywords: mno2 batteries; multiphase; spectroscopy; aqueous mno2 ... See more keywords
A Hollow-Structured Manganese Oxide Cathode for Stable Zn-MnO2 Batteries
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DOI: 10.3390/nano8050301
Abstract: Aqueous rechargeable zinc-manganese dioxide (Zn-MnO2) batteries are considered as one of the most promising energy storage devices for large scale-energy storage systems due to their low cost, high safety, and environmental friendliness. However, only a… read more here.
Keywords: mno2 batteries; mno2 nanospheres; hollow structured; hollow mno2 ... See more keywords
Hydroxyl Conducting Hydrogels Enable Low-Maintenance Commercially Sized Rechargeable Zn–MnO2 Batteries for Use in Solar Microgrids
Sign Up to like & getrecommendations! Published in 2022 at "Polymers"
DOI: 10.3390/polym14030417
Abstract: Zinc (Zn)–manganese dioxide (MnO2) rechargeable batteries have attracted research interest because of high specific theoretical capacity as well as being environmentally friendly, intrinsically safe and low-cost. Liquid electrolytes, such as potassium hydroxide, are historically used… read more here.
Keywords: mno2; mno2 batteries; gel electrolyte; capacity ... See more keywords