Redox polymers for rechargeable metal-ion batteries

Yuan, Chao; Zhuo, Shuming; Li, Zengyu; Wang, Chengliang

doi:10.1016/j.enchem.2020.100030

Cited by 132 publications

(83 citation statements)

References 495 publications

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“…4 Aqueous all-polymer batteries (AqPBs) that incorporate redox-active polymers (RAPs) as organic electrode materials (OEMs) and aqueous solutions as safe and cost-effective electrolytes can be promising alternatives for the development of sustainable energy storage systems. [5][6][7] Although a plethora of RAPs have been successfully applied as OEMs in numerous rechargeable battery technologies (mostly, in metal-ion-polymer conguration), [8][9][10][11][12][13][14][15][16][17] examples of AqPBs sporadically appeared in the literature. 18,19 This is partly due to the formidable challenge that requires careful designing of both anode and cathode RAP partners to be not only able to sustain their redox activity in aqueous media, but also deliver a high voltage output within a relatively narrow electrochemical window of aqueous electrolytes ($1.23 and $2 V for pure water and typical salt-in-water electrolytes, respectively).…”

Section: Introductionmentioning

confidence: 99%

High-performance all-organic aqueous batteries based on a poly(imide) anode and poly(catechol) cathode

et al. 2021

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Section: Introductionmentioning

confidence: 99%

High-performance all-organic aqueous batteries based on a poly(imide) anode and poly(catechol) cathode

et al. 2021

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“…The redox kinetics of the SS bonds in organosulfur compounds are generally considered sluggish amongst organic active materials. [ 23 ] Therefore, it is critical to determine the performance limitations of DIXPS at high current densities. As shown in Figure 4b, the cells were tested at various rates ranging from 1C to 12C.…”

Section: Resultsmentioning

confidence: 99%

“…[ 18,19 ] Early reports of such materials focused on polymers that functioned according to the disulfide–thiolate redox behavior. [ 19,20 ] More recently, polymers containing multiple SS bonds that have been synthesized through inverse vulcanization, [ 21,22 ] incorporation of covalent frameworks, [ 22–25 ] and condensation reactions have been reported. [ 26–29 ] In addition to polymers, linear compounds, [ 15,30,31 ] cyclics, [ 32 ] hybrids, [ 33,34 ] and compounds with unique functional groups have also been reported.…”

Section: Introductionmentioning

confidence: 99%

Xanthogen Polysulfides as a New Class of Electrode Material for Rechargeable Batteries

Bhargav

Manthiram

2020

Advanced Energy Materials

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electrochemical reversibility. In addition to their favorable redox behavior, these compounds are also naturally abundant, environmentally friendly, inexpensive, and easy to process into battery electrodes. [12] While sulfur offers a high energy density exceeding 2500 W h kg −1 , it is beleaguered by three major issues. First, the electrical conductivity of sulfur is extremely low, necessitating the addition of a large amount of conductive hosts (e.g., carbon) in the battery electrode. Second, the difference in density between sulfur and its discharge product, Li 2 S, is quite large. This results in a volume change of nearly 80% during cycling, thus requiring a cathode structure to accommodate the large volume fluctuation and the resulting stresses generated. Third, the lithium polysulfides formed during cycling are electrolyte-soluble and thus shuttle between the electrodes. This "shuttle effect" results in a loss of active material, poor Coulombic efficiency, and short cycle life. [8] On the other hand, organic compounds (e.g., carbonyls, organosulfides, imines, and nitriles) present three distinct advantages. First, the functional groups in the organic moieties can alter the physical properties of these materials including their electrical conductivity. [9] Second, the difference in density between the delithiated and the lithiated forms of these compounds is low, resulting in a smaller volume change and stress in the cathode. [13] Finally, the bulkiness and polarity of the organic functional groups can be used to alter their solubility in the electrolyte, thus minimizing parasitic shuttle effects. [12,14] Organosulfur compounds combine the multi-electron, highenergy-density characteristics of sulfur with the distinct advantages of organic compounds. Specifically, the ability to tune the physical and chemical properties of organosulfur materials with various functional groups allows for optimization of their conductivity, solubility, and density. [9,15-17] Recognizing these advantages, various organosulfur compounds have been reported since the late 1980s. [18,19] Early reports of such materials focused on polymers that functioned according to the disulfide-thiolate redox behavior. [19,20] More recently, polymers containing multiple SS bonds that have been synthesized through inverse vulcanization, [21,22] incorporation of covalent frameworks, [22-25] and condensation reactions have been reported. [26-29] In addition to polymers, linear compounds, [15,30,31] cyclics, [32] hybrids, [33,34] and compounds with unique functional groups have also been reported. [35-37] Organosulfides are an emerging class of alternative sulfur-based cathode materials. This work explores a new member in this family of active materials, viz., xanthogen polysulfides. Diisopropyl xanthogen polysulfide (DIXPS) is used as a model compound in a lithium battery to understand the chemical changes and the unique electrochemical behavior of this class of materials by employing various materials characterization methodologies. As a cathode ma...

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“…Therefore, the study of anode materials also attracted a lot of attention and many materials have been developed as anodes. [ 4–7 ] Among them, lithium metal is regarded as the “holy grail” of anodes due to its highest theoretical specific capacity (3860 mAh g −1 ) and lowest electrode potential (–3.04 V vs. standard hydrogen electrode). [ 1,8,9 ]…”

Section: Introductionmentioning

confidence: 99%

Electrolyte additives: Adding the stability of lithium metal anodes

Dai

Wang

2020

Nano Select

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Lithium metal is regarded as the “holy grail” of anodes due to its highest theoretical specific capacity and lowest electrode potential, and hence is considered as a promising anode candidate to meet the growing demand for large scale energy storage devices. However, lithium metal anode is suffering the challenges in side reactions, volume change, and low Coulombic efficiency, and particularly the growth of lithium dendrites, which extremely limits its practical applications. To tackle these issues, many strategies have been developed. Among them, the addition of electrolyte additives is an effective and the simplest method. In this review, electrolyte additives for enhancing the stability of Li metal anodes are summarized, according to their different working mechanisms. The prospects of key challenges and future trends of such electrolyte additives are discussed.

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Redox polymers for rechargeable metal-ion batteries

Cited by 132 publications

References 495 publications

High-performance all-organic aqueous batteries based on a poly(imide) anode and poly(catechol) cathode

High-performance all-organic aqueous batteries based on a poly(imide) anode and poly(catechol) cathode

Xanthogen Polysulfides as a New Class of Electrode Material for Rechargeable Batteries

Electrolyte additives: Adding the stability of lithium metal anodes

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