Poly-anthraquinone sulfide isomers as electrode materials for extended operating temperature organic batteries

Flamme, Benjamin; Jismy, Badr; Abarbri, Mohamed; Anouti, Mérièm

doi:10.1039/d0ma00497a

Cited by 5 publications

(9 citation statements)

References 43 publications

(41 reference statements)

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“…S5c, ESI †). 21 CVs of P3-P6 (Fig. S5d-f, ESI †) are very similar, exceptionally broad, and do not show any specic peaks except for a sharp feature at $0.7 V corresponding to the contribution from the conductive carbon ller.…”

Section: Resultsmentioning

confidence: 96%

High-capacity polymer electrodes for potassium batteries

et al. 2022

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Section: Resultsmentioning

confidence: 96%

High-capacity polymer electrodes for potassium batteries

et al. 2022

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“…Overall, the XRD pattern revealed no traces of unreacted Ca and/or Sn powder indicating a full conversion of the reactants with 95.3 % yield. Preparation and characterization of PAQS 1,5-PAQS was synthesized by a simple condensation reaction based on published procedure of Flamme et al [16] with some modifications (see SI). The structure of the product was analyzed by attenuated total reflection infrared spectroscopy (ATR-IR) and Raman spectroscopy.…”

Section: Resultsmentioning

confidence: 99%

“…1,5‐PAQS was synthesized by a simple condensation reaction based on published procedure of Flamme et al [16] with some modifications (see SI). The structure of the product was analyzed by attenuated total reflection infrared spectroscopy (ATR‐IR) and Raman spectroscopy.…”

Section: Resultsmentioning

confidence: 99%

“…As a benchmark, electrodes with polyvinylidene fluoride (PVDF) as binder, which are widely used in the literature, were investigated. [14,16,19,22] The electrode preparation was orientated on the work of Phadke et al [22b] Here, PAQS, Ketjen Black EC JD-600 (KB), and PVDF were mixed in a mass ratio of 6 : 3 : 1 in N-Methyl-2-pyrrolidone (NMP) and coated with 400 μm thickness. The resultant electrode (B11) showed an initial discharge capacity of 55 mAh g À 1 and quickly reached their maximum capacity of 93 mAh g À 1 in the 3 rd cycle followed by a rapid capacity loss between the 6 th and 8 th cycle.…”

Section: Optimization Of the Cathode Formulationmentioning

confidence: 99%

“…[26] Using S as a linker makes the polycondensation reaction easier. Therefore, the synthesis of PAQS is straightforward and requires only costefficient raw materials, [16] which makes it more attractive for practical applications. Further improving the performance of PAQS-based cathodes in Ca-based batteries might be achieved by cathode optimization to enhance the electronic conductivity and therefore higher utilization of the active materials.…”

Section: Electrochemical Performance Of the Paqs Cathodes In Cabased ...mentioning

confidence: 99%

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Long Cycle‐Life Ca Batteries with Poly(anthraquinonylsulfide) Cathodes and Ca−Sn Alloy Anodes

Bier,

Li,

Klyatskaya

et al. 2023

ChemSusChem

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Calcium (Ca) batteries are attractive post‐lithium battery technologies, due to their potential to provide high‐voltage and high‐energy systems in a sustainable manner. We investigated herein 1,5‐ poly(anthraquinonylsulfide) (PAQS) for Ca‐ion storage with calcium tetrakis(hexafluoroisopropyloxy)borate Ca[B(hfip)4]2 [hfip = OCH(CF3)2] electrolytes. It is demonstrated that PAQS could be synthesized in a cost‐effective approach and be processed environmentally friendly into the electrodes. The PAQS cathodes could provide 94 mAh g−1 capacity at 2.2 V vs. Ca at 0.5C (1C = 225 mAh g−1). However, cycling of the cells was severely hindered due to the fast degradation of the metal anode. Replacing the Ca metal anode with a calcium‐tin (Ca‐Sn) alloy anode, the PAQS cathodes exhibited long cycling performance (45 mAh g−1 at 0.5C after 1000 cycles) and superior rate capability (52 mAh g−1 at 5C). This is mainly ascribed to the flexible structure of PAQS and good compatibility of the alloy anodes with the electrolyte solutions, which allow reversible quinone carbonyl redox chemistry in the Ca battery systems. The promising properties of PAQS indicate that further exploration of the organic cathode materials could be a feasible direction towards green Ca batteries.

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Highly Conductive Polyoxanorbornene‐Based Polymer Electrolyte for Lithium‐Metal Batteries

Zhao

et al. 2023

Advanced Science

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This present study illustrates the synthesis and preparation of polyoxanorbornene‐based bottlebrush polymers with poly(ethylene oxide) (PEO) side chains by ring‐opening metathesis polymerization for solid polymer electrolytes (SPE). In addition to the conductive PEO side chains, the polyoxanorbornene backbones may act as another ion conductor to further promote Li‐ion movement within the SPE matrix. These results suggest that these bottlebrush polymer electrolytes provide impressively high ionic conductivity of 7.12 × 10−4 S cm−1 at room temperature and excellent electrochemical performance, including high‐rate capabilities and cycling stability when paired with a Li metal anode and a LiFePO4 cathode. The new design paradigm, which has dual ionic conductive pathways, provides an unexplored avenue for inventing new SPEs and emphasizes the importance of molecular engineering to develop highly stable and conductive polymer electrolytes for lithium‐metal batteries (LMB).

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Poly-anthraquinone sulfide isomers as electrode materials for extended operating temperature organic batteries

Abstract: Three of polyanthraquinone sulfide (PAQS) isomers were synthesized, characterized and included in a comparative study of electrochemical performances as organic material cathode. The performances of the 1,5-PAQS, 2,6-PAQS, and 1,8-PAQS...

Cited by 5 publications

References 43 publications

High-capacity polymer electrodes for potassium batteries

High-capacity polymer electrodes for potassium batteries

Long Cycle‐Life Ca Batteries with Poly(anthraquinonylsulfide) Cathodes and Ca−Sn Alloy Anodes

Highly Conductive Polyoxanorbornene‐Based Polymer Electrolyte for Lithium‐Metal Batteries

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