Tunable multi-doped carbon nanofiber air cathodes based on a poly(ionic liquid) for sodium oxygen batteries with diglyme/ionic liquid-based hybrid electrolytes

Li, Han; Ha, The An; Ortiz‐Vitoriano, Nagore; Wang, Xungai; Fang, J.; Howlett, Patrick C.; Pozo‐Gonzalo, Cristina

doi:10.1039/d2ta01586b

Cited by 7 publications

(9 citation statements)

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“…The typical mechanism of these batteries involves the plating/stripping of Na on the anode side and the O 2 evolution/reduction reaction on the cathode side during charging and discharging. 22,23 Although Na-air batteries deliver a lower level of energy density (1100 W h kg À1 -NaO 2 ) compared with Li-air batteries (3460 W h kg À1 -Li 2 O 2 ), 24,25 it presents an improvement in oxygen evolution performance and lower charging overpotential. 25 In addition to uncontrollable Na dendrite growth, the high reactivity of Na metals leads to the formation of insoluble and nonconductive discharge products such as NaO 2 , Na 2 O 2 , Na 2 O 2 ÁH 2 O, and NaOH, which result in low energy efficiency and poor cycling performance of the Na-air batteries and impede the practical application of Na-air batteries.…”

Section: Parham Pirayeshmentioning

confidence: 99%

Na metal anodes for liquid and solid-state Na batteries

Pirayesh,

Jin,

Wang

et al. 2024

Energy Environ. Sci.

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Section: Parham Pirayeshmentioning

confidence: 99%

Na metal anodes for liquid and solid-state Na batteries

Pirayesh,

Jin,

Wang

et al. 2024

Energy Environ. Sci.

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“…Integration of inorganic nanoparticles into PIL hosts can also be used to regulate the mechanical properties and ionic conductivity of electrolytes, promoting the practical application of solid-state SIBs. 694 4.9.4. Lithium Sulfur Batteries.…”

Section: Energy Storage and Conversionmentioning

confidence: 99%

“…This ionogel electrolyte in an assembled SIB delivered a specific capacity of 118 mAh g –1 at 0.05 C at 70 °C. Integration of inorganic nanoparticles into PIL hosts can also be used to regulate the mechanical properties and ionic conductivity of electrolytes, promoting the practical application of solid-state SIBs …”

Section: Applicationsmentioning

confidence: 99%

Polymerized and Colloidal Ionic Liquids─Syntheses and Applications

Li,

Yan,

Texter

2024

Chem. Rev.

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The breadth and importance of polymerized ionic liquids (PILs) are steadily expanding, and this review updates advances and trends in syntheses, properties, and applications over the past five to six years. We begin with an historical overview of the genesis and growth of the PIL field as a subset of materials science. The genesis of ionic liquids (ILs) over nano to meso lengthscales exhibiting 0D, 1D, 2D, and 3D topologies defines colloidal ionic liquids, CILs, which compose a subclass of PILs and provide a synthetic bridge between IL monomers (ILMs) and micro to macroscale PIL materials. The second focus of this review addresses design and syntheses of ILMs and their polymerization reactions to yield PILs and PIL-based materials. A burgeoning diversity of ILMs reflects increasing use of nonimidazolium nuclei and an expanding use of step-growth chemistries in synthesizing PIL materials. Radical chain polymerization remains a primary method of making PILs and reflects an increasing use of controlled polymerization methods.Step-growth chemistries used in creating some CILs utilize extensive cross-linking. This cross-linking is enabled by incorporating reactive functionalities in CILs and PILs, and some of these CILs and PILs may be viewed as exotic cross-linking agents. The third part of this update focuses upon some advances in key properties, including molecular weight, thermal properties, rheology, ion transport, self-healing, and stimuli-responsiveness. Glass transitions, critical solution temperatures, and liquidity are key thermal properties that tie to PIL rheology and viscoelasticity. These properties in turn modulate mechanical properties and ion transport, which are foundational in increasing applications of PILs. Cross-linking in gelation and ionogels and reversible step-growth chemistries are essential for self-healing PILs. Stimuli-responsiveness distinguishes PILs from many other classes of polymers, and it emphasizes the importance of segmentally controlling and tuning solvation in CILs and PILs. The fourth part of this review addresses development of applications, and the diverse scope of such applications supports the increasing importance of PILs in materials science. Adhesion applications are supported by ionogel properties, especially crosslinking and solvation tunable interactions with adjacent phases. Antimicrobial and antifouling applications are consequences of the cationic nature of PILs. Similarly, emulsion and dispersion applications rely on tunable solvation of functional groups and on how such groups interact with continuous phases and substrates. Catalysis is another significant application, and this is an historical tie between ILs and PILs. This component also provides a connection to diverse and porous carbon phases templated by PILs that are catalysts or serve as supports for catalysts. Devices, including sensors and actuators, also rely on solvation tuning and stimuliresponsiveness that include photo and electrochemical stimuli. We conclude our view of applications with 3D printi...

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“…Notably, the heteroatoms doped in the preceding work were only nitrogen atoms and multi-heteroatom doping is expected to significantly improve the catalytic activity of the carbon materials. In addition, Pozo-Gonzalo and coworkers 81 prepared multi-heteroatom-doped (S, N, and F) multilayer fibrous network-like structures. Owing to the promotion of oxygen adsorption and the synergistic effect of the different heteroatom dopants, the ORR activity during the discharge process was enhanced, and the discharge-specific capacity was effectively increased (0.35 mA h cm −2 at 0.6 mA cm −2 ).…”

Section: Air Cathode Materialsmentioning

confidence: 99%