Emerging Nitrogen and Sulfur Co‐doped Carbon Materials for Electrochemical Energy Storage and Conversion

Small, Год журнала: 2025, Номер 21(11)

Опубликована: Фев. 16, 2025

Abstract The growing global energy demands, coupled with the imperative for sustainable environmental challenges, have sparked significant interest in electrochemical storage and conversion (EESC) technologies. Metal‐free heteroatom‐doped carbon materials, especially those codoped nitrogen (N) sulfur (S), gained prominence due to their exceptional conductivity, large specific surface area, remarkable chemical stability, enhanced performance. strategic incorporation of N S atoms into framework plays a pivotal role modulating electron distribution creating catalytically active sites, thereby significantly enhancing EESC This review examines key synthetic strategies fabricating N, materials (NSDCMs) provides comprehensive overview recent advancements NSDCMs applications. These encompass various systems such as supercapacitors, alkali‐ion batteries, lithium–sulfur batteries. Energy processes, including hydrogen evolution, oxygen reduction/evolution, dioxide reduction are also covered. Finally, future research directions discussed field, aiming highlight promising potential multifunctional capabilities driving further systems.

Язык: Английский

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Facile Microwave Synthesis of Kilogram‐Scale Electrocatalysts with Nanocarbons Bridged Cobalt Active Sites for Enhanced Oxygen Electrocatalysis

Advanced Energy Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 30, 2025

Abstract Oxygen reductions and evolution reactions (ORR/OER) are pivotal electrochemical processes in fuel cells metal‐air batteries, yet the rapid, large‐scale production of efficient ORR/OER electrocatalysts remains challenging. Herein, a groundbreaking microwave‐synthesis strategy is presented that enables rapid facile preparation kilogram‐scale electrocatalysts. The unique microwave irradiation generates instantaneous thermal energy, facilitating formation nano‐carbon bridges interconnect high‐density active sites comprising cobalt single atoms nanoparticles. This innovative architectural configuration significantly enhances kinetics electron/mass transfer maximizing accessibility sites. optimized carbon‐bridged catalyst (CBCo‐800) demonstrates commendable half‐wave potential ( E 1/2 ) 0.86 V versus RHE minimal overpotential difference (Δ 0.696 V. Furthermore, lab‐assembled zinc‐air battery utilizing CBCo‐800 achieved great specific capacity 794 mAh g −1 sustained over 650 h, outperforming commercial Pt/C RuO 2 catalysts. Density functional theory (DFT) calculations elucidate nanocarbon bridge between dual‐active boosts oxygen activation optimizes adsorption/desorption dynamics *OH/*OOH intermediates, thereby lowering energy barriers for ORR/OER. study offers solution producing site materials, also establishes robust platform mass high‐performance

Язык: Английский

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Recent advancements and perspectives in conductive hydrogel-based flexible all-in-one supercapacitors

Journal of Power Sources, Год журнала: 2025, Номер 641, С. 236902 - 236902

Опубликована: Апрель 2, 2025

Язык: Английский

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Efficient CO2 adsorption and selective CO2/CH4/N2 separation by porous carbon with different N, S sources

Separation and Purification Technology, Год журнала: 2025, Номер unknown, С. 132853 - 132853

Опубликована: Апрель 1, 2025

Язык: Английский

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