A carboxylate group-based organic anode for sustainable and stable sodium ion batteries

Luo, Chao; Shea, John J.; Huang, Jinghao

doi:10.1016/j.jpowsour.2020.227904

Cited by 56 publications

(73 citation statements)

References 34 publications

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“…This may be due to the intramolecular hydrogen bonding interaction between N atom on pyridine and H on the adjacent phenyl ring, leading to a small dihedral angle and facilitating strong molecular stacking, so that large crystals are formed. The particle size of Na‐CPP is at the nanometer level, smaller than that of Na‐CPN, which is very useful for the dynamic transport of electrons and ions in batteries [17,23, 26] . The thermal stability of Na‐CPN and Na‐CPP was investigated by thermogravimetric analysis (TGA).…”

Section: Resultsmentioning

confidence: 99%

Phenylpyridine Dicarboxylate as Highly Efficient Organic Anode for Na‐Ion Batteries

Jia

Zhu

2021

ChemSusChem

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The sodium‐ion battery (SIB) has the potential to be the next‐generation rechargeable system, utilizing cheap and abundant sodium material. One of the key obstacles to sodium batteries is the lack of efficient and stable anode materials. Compared with traditional inorganic electrode materials, organic materials are more attractive because of their easier sodium transport accessibility and the diversities of organic frameworks and functional groups. In this work, two molecules (Na‐CPN and Na‐CPP) were synthesized and used as anode materials for SIBs. Structurally, the two compounds are isomers, and they are distinguished by the position of N atoms in phenylpyridine. Na‐CPP showed a high reversible capacity of 197 mAh g−1, and its capacity could maintain 99.1 % of its initial value even after 350 cycles of 100 mA g−1. Moreover, after going through 1200 cycles at a current density of 5 C, the Na‐CPP electrode still retained a capacity rate of 89.9 %. In contrast, Na‐CPN exhibited inferior capacity and rate performance because of its larger polarization, particle size, and charge transport resistance.

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Section: Resultsmentioning

confidence: 99%

Phenylpyridine Dicarboxylate as Highly Efficient Organic Anode for Na‐Ion Batteries

Jia

Zhu

2021

ChemSusChem

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“…Figure 2 c,d presents the high-resolution C 1 s XPS spectra of CNF and N-CNF, respectively. Both of them can be fitted into three peaks at 284.8, 285.9 and 289.1 eV, corresponding to the C–C/C = C, C–O and O–C = O bonds, respectively [ 47 ]. With the nitrogen doping in carbon nanofiber, another peak at 285.6 eV can be deconvoluted, which derives from the C-N bond.…”

Section: Resultsmentioning

confidence: 99%

Ultra-Stable Potassium Ion Storage of Nitrogen-Doped Carbon Nanofiber Derived from Bacterial Cellulose

et al. 2021

Nanomaterials

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As a promising energy storage system, potassium (K) ion batteries (KIBs) have received extensive attention due to the abundance of potassium resource in the Earth’s crust and the similar properties of K to Li. However, the electrode always presents poor stability for K-ion storage due to the large radius of K-ions. In our work, we develop a nitrogen-doped carbon nanofiber (N-CNF) derived from bacterial cellulose by a simple pyrolysis process, which allows ultra-stable K-ion storage. Even at a large current density of 1 A g−1, our electrode exhibits a reversible specific capacity of 81 mAh g−1 after 3000 cycles for KIBs, with a capacity retention ratio of 71%. To investigate the electrochemical enhancement performance of our N-CNF, we provide the calculation results according to density functional theory, demonstrating that nitrogen doping in carbon is in favor of the K-ion adsorption during the potassiation process. This behavior will contribute to the enhancement of electrochemical performance for KIBs. In addition, our electrode exhibits a low voltage plateau during the potassiation–depotassiation process. To further evaluate this performance, we calculate the “relative energy density” for comparison. The results illustrate that our electrode presents a high “relative energy density”, indicating that our N-CNF is a promising anode material for KIBs.

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“…As shown in Figure S7, the Na-1, 2, 3-BTC demonstrate low reversible capacities, indicating the electrochemical inactivity of the orthoand meta-carboxylate groups. [35] As a result, for the Na-1,2,4-BTC the reversible enolization reactions occur at the two carboxylate groups at para-positions.…”

Section: Resultsmentioning

confidence: 99%

Electrochemical Properties and Kinetics of Asymmetric Sodium Benzene‐1,2,4‐tricarboxylate as an Anode Material for Sodium‐Organic Batteries

Gao

Wang

et al. 2020

ChemElectroChem

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Organic carboxylates are well‐accepted as low‐cost anodes for sodium‐ion batteries, owing to their abundant natural resources, structural versatility and suitable potentials. In this work, sodium benzene‐1,2,4‐tricarboxylate (Na‐1,2,4‐BTC), featured as an asymmetric carboxylic‐based coordination salt, is studied as a Na storage anode. The sodium ions exhibit diffusion‐controlled behavior involving the enolization of the C=O groups in Na‐1,2,4‐BTC. Meanwhile, benefiting from its robust organic‐metal coordination framework and fast charge transfer properties, the as‐prepared Na‐1,2,4‐BTC delivers a high initial desodiation capacity of 258 mA h g−1, outstanding rate capability at 2 A g−1 and remarkable cyclability over 500 cycles, demonstrating a great potential as Na‐organic battery anode with high performance and low cost.

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A carboxylate group-based organic anode for sustainable and stable sodium ion batteries

Cited by 56 publications

References 34 publications

Phenylpyridine Dicarboxylate as Highly Efficient Organic Anode for Na‐Ion Batteries

Phenylpyridine Dicarboxylate as Highly Efficient Organic Anode for Na‐Ion Batteries

Ultra-Stable Potassium Ion Storage of Nitrogen-Doped Carbon Nanofiber Derived from Bacterial Cellulose

Electrochemical Properties and Kinetics of Asymmetric Sodium Benzene‐1,2,4‐tricarboxylate as an Anode Material for Sodium‐Organic Batteries

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