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Nitrogen doping of porous carbon materials for sodium-sulfur batteries

Journal of Materials Chemistry A

Benefiting from the large specific surface area, abundant micro/nanoporous structure, and nitrogen-self-doping, the obtained NPC sheets can significantly boost space confinement for

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Investigation of N and S Co-doped Porous Carbon for Sodium-Ion

The resulting porous carbon material achieved high doping level (9.3 at% for nitrogen and 3.5 at% for sulphur) and increased interlayer spacing from 0.35 to 0.38 nm which

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Nitrogen-doped porous carbon hosted sulfur-rich polymer for

In general, we used nitrogen doped porous carbon as host to improve the cycle performance of sulfur-rich polymers as the cathode of Na-S batteries, which prevent the chemical reaction of polysulfides with sodium anode effectively. The synergistic effect of physical confinement come from porous carbon and covalent confinement origin

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Conjugated polymer-mediated synthesis of sulfur

Heteroatom-doped carbon nanomaterials have attracted significant attention as anode materials for sodium-ion batteries (SIBs). Herein, we demonstrate a conjugated polymer-mediated synthesis of sulfur and nitrogen co-doped carbon nanotubes (S/N-CT) via the carbonization of sulfur-containing polyaniline (PANI) nanotubes. It is found that the

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Hierarchically porous nitrogen-doped carbon nanowires derived

Especially, the combination of high surface area, good electrical conductivity, and nitrogen doping allows carbon nanowires to deliver excellent electrochemical performance in both supercapacitors and lithium–sulfur batteries. Drawing from their captivating characteristics, the hierarchically porous nitrogen-doped carbon nanowires (NCNW), which originate from

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Nickel sulfide nanocrystals on nitrogen-doped porous carbon

Herein, we present a multifunctional sulfur host with NiS 2 nanocrystals implanted in nitrogen-doped porous carbon nanotubes (NiS 2 @NPCTs). First, the one-dimensional conductive NPCTs...

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Hierarchical porous nitrogen-doped carbon material for high

Hierarchical porous carbon materials (HPCMs) with appropriate nitrogen doping have been successfully fabricated from the gelatin by KOH activation. The HPCMs contain porous structure with suitable nitrogen content (2.85%), which specific surface area reach up to 1006 m2 g−1. When applied as anode materials for sodium ion batteries, the HPCMs deliver superior

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Hierarchically pyridinic-nitrogen enriched porous carbon for

Hierarchically porous carbon with enriched pyridinic nitrogen (N-HPC) is fabricated via a simple acid treatment of oxide grapheme, NH 4 + electrostatic adsorption and subsequent thermal treatment. Benefiting from the hierarchically porous structure and high pyridinic nitrogen doping, N-HPC can improve sodium-ion storage and Li-S batteries.

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Investigation of N and S Co-doped Porous Carbon for Sodium-Ion Battery

The resulting porous carbon material achieved high doping level (9.3 at% for nitrogen and 3.5 at% for sulphur) and increased interlayer spacing from 0.35 to 0.38 nm which improves the storage kinetics of Na +-ions inside the carbon lattice.

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Nitrogen doped porous carbon coated antimony as high

In this study, we introduce a simple approach to synthesis Sb/C-PANI nanocomposite with ultrafine Sb nanoparticles uniformly embedded in hierarchically porous N

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Porous carbon microspheres assembled by defective nitrogen and

Dong C, Guo L, He Y, et al. Ultrafine Co 1−x S nanoparticles embedded in a nitrogen-doped porous carbon hollow nanosphere composite as an anode for superb sodium-ion batteries and

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In-situ doped and activated N, S co-doped porous carbon

In this study, we designed and synthesized a 3-D hierarchical nitrogen and sulfur co-doped porous carbon electrode via in-situ doping and activation using acesulfame potassium. Owing to its prominent structural advantages, the as-prepared N, S co-doped electrode showed a high reversible capacity (459.8 mAh g −1 at 0.05 A g −1

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The recent progress of nitrogen-doped carbon nanomaterials for

In this review paper, the recent advances in the synthesis and property of nitrogen-doped carbon nanomaterials including carbon nanotubes, graphene, porous carbon, and carbon nanofibers are highlighted first.

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Evaluating the role of nitrogen in carbon hosts for aqueous zinc sulfur

Aqueous Zn–S batteries exhibit high capacity, energy density, low cost, and safety performance, making them a promising energy storage system. However, the practical application is restricted by poor conductivity of sulfur, slow sulfur redox kinetics, and high energy barriers. Herein, density functional theory (DFT) was first adopted to simulate and design

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Nickel sulfide nanocrystals on nitrogen-doped porous

Herein, we present a multifunctional sulfur host with NiS 2 nanocrystals implanted in nitrogen-doped porous carbon nanotubes (NiS 2 @NPCTs). First, the one-dimensional conductive NPCTs...

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Biomass-derived N-doping porous carbon spheres by N

One of the most promising carbon materials has been thought to be biomass porous carbon materials with large The performance of nitrogen doping and defect incorporation in improving electrochemical properties was evaluated by galvanostatic charge/discharge tests. Figure 6a illustrates the first charge/discharge curves of CS and ACS

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Journal of Materials Chemistry A

Benefiting from the large specific surface area, abundant micro/nanoporous structure, and nitrogen-self-doping, the obtained NPC sheets can significantly boost space confinement for sulfur molecules and effectively alleviate the dissolution of sodium polysulfides during the charge–discharge process in RT Na–S batteries.

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Tunable Nitrogen-Doping of Sulfur Host Nanostructures for Stable

Nitrogen-doped nanocarbon host cathodes have been employed in metal–sulfur batteries: polar interactions mitigate the loss of sulfur, while the conductive nanostructure

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Status and Challenges of Cathode Materials for

For example, Liu and coworkers successfully developed hierarchically nitrogen-doped porous carbon sheets (using polyvinyl pyrrolidone [PVP] as carbon and nitrogen source) as sulfur host for RT Na–S batteries

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Designed formation of nitrogen and sulfur dual-doped

Hierarchically porous carbon materials, as one of the most important anodes for rechargeable batteries, have been extensively investigated. In this study, nitrogen and sulfur

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Liquid bath-assisted combustion activation preparation of nitrogen

Liquid bath-assisted combustion activation preparation of nitrogen/sulfur-doped porous carbon for sodium-ion battery applications Author links open overlay panel Fan Gao a 1, Dingyue Zhang a, Hao Zhang a, Caiqin Gao a, Gang Huang a, Ziqiang Zhang b, Yong Liu c, Ye Wang c, Mauricio Terrones d, Yanqing Wang a

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Tunable Nitrogen-Doping of Sulfur Host Nanostructures for

Nitrogen-doped nanocarbon host cathodes have been employed in metal–sulfur batteries: polar interactions mitigate the loss of sulfur, while the conductive nanostructure addresses the low conductivity. Nevertheless, these two properties run contrary to each other as greater nitrogen-doping of nanocarbon hosts is associated with

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The recent progress of nitrogen-doped carbon

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Biomass-derived porous carbon materials with

Biomass-derived porous carbon materials with sulfur and nitrogen dual-doping for energy storage we report the synthesis of sulfur and nitrogen dual-doping porous carbon materials, for use as the electrode

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Designed formation of nitrogen and sulfur dual-doped

Hierarchically porous carbon materials, as one of the most important anodes for rechargeable batteries, have been extensively investigated. In this study, nitrogen and sulfur co-doped carbon nanosheets (NSCN) with hierarchically porous structure was prepared by chemical vapor deposition using magnesium hydroxide as the template.

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In-situ doped and activated N, S co-doped porous carbon derived

In this study, we designed and synthesized a 3-D hierarchical nitrogen and sulfur co-doped porous carbon electrode via in-situ doping and activation using acesulfame

Get Price

Nitrogen doped porous carbon coated antimony as high

In this study, we introduce a simple approach to synthesis Sb/C-PANI nanocomposite with ultrafine Sb nanoparticles uniformly embedded in hierarchically porous N-doped carbon matrix (Sb/C-PANI).

Get Price

Porous carbon microspheres assembled by defective nitrogen and sulfur

Dong C, Guo L, He Y, et al. Ultrafine Co 1−x S nanoparticles embedded in a nitrogen-doped porous carbon hollow nanosphere composite as an anode for superb sodium-ion batteries and lithium-ion batteries. Nanoscale, 2018, 10: 2804–2811

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Nitrogen doping of porous carbon materials for sodium-sulfur batteries [PDF]

6 FAQs about [Nitrogen doping of porous carbon materials for sodium-sulfur batteries]

Does nitrogen dopant and NIS 2 nanocrystal entrap soluble polysulfides in the cathode?

It also suggests that the dual effect of chemical binding by the nitrogen dopant and NiS 2 nanocrystal enables both strong entrapment of soluble polysulfides and preferential deposition of insoluble Na 2 S 2 /Na 2 S within the cathode during cycling.

Can nitrogen-doped carbon nanomaterials be used in electrochemical batteries?

The use of nitrogen-doped carbon nanomaterials in various electrochemical batteries such as lithium ion batteries, lithium–sulfur batteries, metal–air (oxygen) batteries and sodium ion batteries is then discussed with a focus on their electrochemical properties.

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