A hyperbranched conjugated Schiff base polymer network: a potential negative electrode for flexible thin film batteries

Sun, Yubao; Sun, Yang; Pan, Qing; Li, Gai; Han, Bo; Zeng, Danli; Zhang, Yunfeng; Cheng, Hansong

doi:10.1039/c5cc09662f

Cited by 44 publications

(19 citation statements)

References 22 publications

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“…Currently, carbonyl‐containing groups, including anhydrides, quinones, imides, and polyketones, are the frequently used redox‐active moieties in porous polymers. Other redox‐active groups are also utilized, such as imine (CHN), alkynyl, triazine, hexaazatrinaphthalene, triphenylamine, and so on. According to the redox potential, they can serve as either cathode (higher potential) or anode (lower potential).…”

Section: Electrochemical Energy Storagementioning

confidence: 99%

Porous Polymers as Multifunctional Material Platforms toward Task‐Specific Applications

et al. 2018

Advanced Materials

375

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have triggered serious threats to the survival and development of mankind. Consequently, exploring novel materials with task-specific applications is of fundamental importance for the sustainable development of economy and society. The burgeoning progress of nanomaterials in recent years has demonstrated that porosity is one of the essential factors in determining material properties for possible breakthroughs in their applications. Therefore, porous materials are playing important roles in many well-established applications and emerging technologies for challenging social and economic issues due to their intrinsic characteristics of large surface areas, open channels, and the possible control over the pore environment. According to International Union of Pure and Applied Chemistry, the pores of porous materials are classified into three categories by their pore sizes: micropores are smaller than 2 nm, mesopores are in the range of 2-50 nm, and macropores are larger than 50 nm. [1] Their pore walls include the organic skeleton (e.g., porous polymers, organic porous cages, and supramolecular organic frameworks), the inorganic skeleton (e.g., zeolites, porous carbons, and mesoporous silica), and the hybrid skeleton (e.g., metal-organic frameworks (MOFs)).Among the developed porous materials, porous polymers have attracted an increasing level of research interest owing to their potential to integrate the advantages of both porous materials and polymers. [2,3] Table 1 lists the characteristic structural features and properties of porous polymers, and gives a systematic comparison to other typical porous materials, such as zeolites, porous carbons, and MOFs. Porous polymers, zeolites, porous carbons, and MOFs share a number of features such as high permanent porosities, large surface areas, and designable pores and voids. However, they are different in several important aspects. The major advantages of porous polymers over many other porous materials are their chemical diversity and easy processability. Compared to zeolites and porous carbons, the synthesis of porous polymers is generally more versatile and can be approached in a way that conforms to the concept of rational materials design. Similar to MOFs, porous polymers inherit the excellent chemical and physical tunability afforded by the versatility of organic chemistry. Furthermore, Exploring advanced porous materials is of critical importance in the development of science and technology. Porous polymers, being famous for their all-organic components, tailored pore structures, and adjustable chemical components, have attracted an increasing level of research interest in a large number of applications, including gas adsorption/storage, separation, catalysis, environmental remediation, energy, optoelectronics, and health. Recent years have witnessed tremendous research breakthroughs in these fields thanks to the unique pore structures and versatile skeletons of porous polymers. Here, recent milestones in the diverse applications of porous polymers are presented, ...

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Section: Electrochemical Energy Storagementioning

confidence: 99%

Porous Polymers as Multifunctional Material Platforms toward Task‐Specific Applications

et al. 2018

Advanced Materials

375

245

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“…Among them, ACCs exhibiting a stable electrochemical reaction mechanism, are widely regarded as the most promising next‐generation electrode materials. ACCs are classified into four types according to the position of the carbonyl group in the active center: carboxylate, imide, quinone, or ketone . In contrast to inorganic materials and other organic compounds, ACCs are mainly derived from natural biomass, thus sources are renewable and environmentally friendly .…”

Section: Introductionmentioning

confidence: 99%

Molecular Design Strategies for Electrochemical Behavior of Aromatic Carbonyl Compounds in Organic and Aqueous Electrolytes

et al. 2019

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To sustainably satisfy the growing demand for energy, organic carbonyl compounds (OCCs) are being widely studied as electrode active materials for batteries owing to their high capacity, flexible structure, low cost, environmental friendliness, renewability, and universal applicability. However, their high solubility in electrolytes, limited active sites, and low conductivity are obstacles in increasing their usage. Here, the nucleophilic addition reaction of aromatic carbonyl compounds (ACCs) is first used to explain the electrochemical behavior of carbonyl compounds during charge–discharge, and the relationship of the molecular structure and electrochemical properties of ACCs are discussed. Strategies for molecular structure modifications to improve the performance of ACCs, i.e., the capacity density, cycle life, rate performance, and voltage of the discharge platform, are also elaborated. ACCs, as electrode active materials in aqueous solutions, will become a future research hotspot. ACCs will inevitably become sustainable green materials for batteries with high capacity density and high power density.

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“…25 Recently, various linear conjugated polymers were synthesized with transition-metal-free catalysed methods. [26][27][28][29][30][31][32][33][34][35] However, these methods, including Wittig reaction, 4,36 Knoevenagel condensation reaction, 11 arylimino-deoxy-trisubstituted reaction, 37 and acid-promoted cyclotrimerization reactions, 38 were rarely explored to prepare hyperbranched conjugated polymers. In addition, these transition-metal-free catalyzed methods also require harsh reaction conditions and complex synthetic steps.…”

Section: Introductionmentioning

confidence: 99%

Hyperbranched conjugated polymers containing 1,3-butadiene units: metal-free catalyzed synthesis and selective chemosensors for Fe³⁺ ions

et al. 2017

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A hyperbranched conjugated Schiff base polymer network: a potential negative electrode for flexible thin film batteries

Cited by 44 publications

References 22 publications

Porous Polymers as Multifunctional Material Platforms toward Task‐Specific Applications

Porous Polymers as Multifunctional Material Platforms toward Task‐Specific Applications

Molecular Design Strategies for Electrochemical Behavior of Aromatic Carbonyl Compounds in Organic and Aqueous Electrolytes

Hyperbranched conjugated polymers containing 1,3-butadiene units: metal-free catalyzed synthesis and selective chemosensors for Fe³⁺ ions

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A hyperbranched conjugated Schiff base polymer network: a potential negative electrode for flexible thin film batteries

Cited by 44 publications

References 22 publications

Porous Polymers as Multifunctional Material Platforms toward Task‐Specific Applications

Porous Polymers as Multifunctional Material Platforms toward Task‐Specific Applications

Molecular Design Strategies for Electrochemical Behavior of Aromatic Carbonyl Compounds in Organic and Aqueous Electrolytes

Hyperbranched conjugated polymers containing 1,3-butadiene units: metal-free catalyzed synthesis and selective chemosensors for Fe3+ ions

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Hyperbranched conjugated polymers containing 1,3-butadiene units: metal-free catalyzed synthesis and selective chemosensors for Fe³⁺ ions