Active Poly(o-phenylenediamine)-Intercalated Layered δ-MnO2 Cathode for High-Performance Aqueous Zinc-Ion Batteries DOI Open Access

Yuan Zhu,

Bosi Yin,

Wenhui Mi

и другие.

Polymers, Год журнала: 2025, Номер 17(8), С. 1003 - 1003

Опубликована: Апрель 8, 2025

Aqueous zinc-ion batteries (ZIBs) represent an emerging energy storage solution that offers significant advantages in terms of safety, cost-effectiveness, and longevity cycling. Among the various materials available, manganese-based oxides stand out as most promising options for cathodes due to their impressive theoretical specific capacity, suitable operating voltage, abundant natural availability. In published reports, pre-embedding is frequently used modify layered cathode; however, non-electrochemically active molecular embedding often results a decrease battery capacity. this paper, hydrothermal method employed intercalate poly(o-phenylenediamine) (PoPD) into δ-MnO2 (MO) produce PoPD-MO cathode materials. Here, PoPD serves dual role cathode: (1) inserted interlayer MO, providing support within intercalation layer, enhancing material stability, increasing ionic sites, creating space more Zn2+ be embedded, (2) inserting structure MO effectively expands between layers, thus allowing greater ion storage, which turn enhances rate efficiency electrochemical reactions. Consequently, shows remarkable cycling durability adaptability ZIBs, achieving capacity 359 mAh g−1 at current density 0.1 A g−1, even under strain high 3 it maintains respectable 107 g−1. Based on this, may emerge new with applications future.

Язык: Английский

Active Poly(o-phenylenediamine)-Intercalated Layered δ-MnO2 Cathode for High-Performance Aqueous Zinc-Ion Batteries DOI Open Access

Yuan Zhu,

Bosi Yin,

Wenhui Mi

и другие.

Polymers, Год журнала: 2025, Номер 17(8), С. 1003 - 1003

Опубликована: Апрель 8, 2025

Aqueous zinc-ion batteries (ZIBs) represent an emerging energy storage solution that offers significant advantages in terms of safety, cost-effectiveness, and longevity cycling. Among the various materials available, manganese-based oxides stand out as most promising options for cathodes due to their impressive theoretical specific capacity, suitable operating voltage, abundant natural availability. In published reports, pre-embedding is frequently used modify layered cathode; however, non-electrochemically active molecular embedding often results a decrease battery capacity. this paper, hydrothermal method employed intercalate poly(o-phenylenediamine) (PoPD) into δ-MnO2 (MO) produce PoPD-MO cathode materials. Here, PoPD serves dual role cathode: (1) inserted interlayer MO, providing support within intercalation layer, enhancing material stability, increasing ionic sites, creating space more Zn2+ be embedded, (2) inserting structure MO effectively expands between layers, thus allowing greater ion storage, which turn enhances rate efficiency electrochemical reactions. Consequently, shows remarkable cycling durability adaptability ZIBs, achieving capacity 359 mAh g−1 at current density 0.1 A g−1, even under strain high 3 it maintains respectable 107 g−1. Based on this, may emerge new with applications future.

Язык: Английский

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