A flexible solid-state electrolyte for wide-scale integration of rechargeable zinc–air batteries

Fu, Jing; Zhang, Jing; Song, Xueping; Zarrin, Hadis; Tian, Xiaofei; Qiao, Jinli; Rasen, Lathanken; Li, Kecheng; Chen, Zhongwei

doi:10.1039/c5ee03404c

Cited by 290 publications

(267 citation statements)

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“…[6] However, in portable applications, their merits are largely limited by the bulky battery configurations, as a result of relying on aqueous electrolytes. [7,8] To this end, one approach is to swap aqueous electrolytes for versatile, solid-sate alternatives, making zinc-air batteries safer, lighter, and more portable. The main issues related to the solid-state electrolytes are insufficient ionic conductivity, electrolyte retention, and complex synthesis process.…”

Section: Doi: 101002/aenm201600476mentioning

confidence: 99%

“…[19] Meanwhile, due to its highly reactive area rich in hydroxyl groups, cellulose can be easily refashioned through a surface-functionalization to conduct ions and be utilized in advanced batteries. [7] Herein, for the first time, we report on a laminate-structured nanocellulose/GO membrane functionalized with highly hydroxide-conductive quaternary ammonium (QA) groups to be applied as a robust solid-state electrolyte in flexible, rechargeable zinc-air batteries. The QA-functionalized nanocellulose/GO (QAFCGO) membrane is fabricated through chemical functionalization, layer-by-layer filtration, cross-linking, and ion-exchange processes (Figure 1a).…”

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Laminated Cross‐Linked Nanocellulose/Graphene Oxide Electrolyte for Flexible Rechargeable Zinc–Air Batteries

Zhang

Song

et al. 2016

Advanced Energy Materials

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electronic insulator with abundant oxygen-containing groups (epoxy, hydroxyl, and carboxyl groups), which can be easily functionalized to improve its ionic conductivity. [12,16] Owing to the wide range of oxygen functional groups on its basal planes and edges, GO is also readily exfoliated to yield well-dispersed solution of individual GO sheets in both water and organic solvents, and then flow-directed assembled into a free-standing paper-like material by vacuum filtration. [12,17] However, despite all the progress of the development of a free-standing GO electrolyte membrane, its advantages are diminished with the difficulty to form a mechanically robust membrane. [17,18] Consequently, that makes the free-standing GO membranes less attractive for being used as practical solid-state electrolytes in energy storage systems. To enhance the mechanical strength, several fillers can be incorporated into GO matrix. Among the multifarious materials, cellulose-the most abundant renewable material-is recognized as a good binder and surface modifier thanks to its low cost, high hygroscopicity, flexibility, ad porous substrate that allows strong binding of other materials. Particularly, considerable interest has been directed to nanocellulose fiber because of its low thermal expansion, high surface area, high surface area-to-volume ratio, strengthening effect, good mechanical and optical properties which may find many applications in nanocomposites. [19] Meanwhile, due to its highly reactive area rich in hydroxyl groups, cellulose can be easily refashioned through a surface-functionalization to conduct ions and be utilized in advanced batteries. [7] Herein, for the first time, we report on a laminate-structured nanocellulose/GO membrane functionalized with highly hydroxide-conductive quaternary ammonium (QA) groups to be applied as a robust solid-state electrolyte in flexible, rechargeable zinc-air batteries. The QA-functionalized nanocellulose/GO (QAFCGO) membrane is fabricated through chemical functionalization, layer-by-layer filtration, cross-linking, and ion-exchange processes (Figure 1a). For the functionalization process, dimethyloctadecyl [3-(trimethoxysilyl)-propyl] ammonium chloride (DMAOP) has been selected as the functional precursor containing QA moieties. The hydroxide conductivity and the alkaline stability in the highly surface-active DMAOP are provided by quaternary ammonium groups which are already attached to this organic compound. Thus, the hydroxide conducting characteristic of the electrolyte membrane can be achieved directly through the precursor DMAOP without complex organic synthesis. First, the trimethoxy groups of trimethoxysilyl are hydrolyzed to form the corresponding silanols, and the hydrolyzed silanols undergo self-condensation to yield silanol oligomers intermediates ( Figure S1, step 1, Supporting Information). Then, these intermediates are adsorbed onto nanocellulose/GO surface rich in oxygen-containing groups through hydrogen bonding ( Figure S1,

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Section: Doi: 101002/aenm201600476mentioning

confidence: 99%

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confidence: 99%

Laminated Cross‐Linked Nanocellulose/Graphene Oxide Electrolyte for Flexible Rechargeable Zinc–Air Batteries

Zhang

Song

et al. 2016

Advanced Energy Materials

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“…An adaptable negative potential (−0.762 V vs. SHE)19, enable it to be constructed with other cathodes in aqueous electrolytes. Several rechargeable zinc batteries, including nickel//zinc battery20, zinc//air battery21 and Zn//Na 0.95 MnO 2 7, Zn//LiMn 2 O 4 822 have been investigated in aqueous systems.…”

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confidence: 99%

“…The monoclinic Li 3 V 2 (PO 4 ) 3 and rhombohedral Na 3 V 2 (PO 4 ) 3 have attracted considerable interest as promising cathode candidate in non-aqueous lithium-ion batteries due to their thermodynamically stable structure, high cell-voltage and fairish theoretical specific capacity (LVP: 191 mAh g −1 for extraction of three Li + ions between 3.0–4.6 V, 133 mAh g −1 for extraction of two Li + ions between 3.0–4.2 V vs. Li + /Li; NVP: theoretical discharge capacity with 118 mAhg −1 , with two Na + ions being completely extracted up to 4.0 V versus Na + /Na) 192021222324…”

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confidence: 99%

Novel Rechargeable M3V2(PO4)3//Zinc (M = Li, Na) Hybrid Aqueous Batteries with Excellent Cycling Performance

Zhao

Cheng

et al. 2016

Sci Rep

117

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A rechargeable hybrid aqueous battery (ReHAB) containing NASICON-type M3V2(PO4)3 (M = Li, Na) as the cathodes and Zinc metal as the anode, working in Li2SO4-ZnSO4 aqueous electrolyte, has been studied. Both of Li3V2(PO4)3 and Na3V2(PO4)3 cathodes can be reversibly charge/discharge with the initial discharge capacity of 128 mAh g−1 and 96 mAh g−1 at 0.2C, respectively, with high up to 84% of capacity retention ratio after 200 cycles. The electrochemical assisted ex-XRD confirm that Li3V2(PO4)3 and Na3V2(PO4)3 are relative stable in aqueous electrolyte, and Na3V2(PO4)3 showed more complicated electrochemical mechanism due to the co-insertion of Li+ and Na+. The effect of pH of aqueous electrolyte and the dendrite of Zn on the cycling performance of as designed MVP/Zn ReHABs were investigated, and weak acidic aqueous electrolyte with pH around 4.0–4.5 was optimized. The float current test confirmed that the designed batteries are stable in aqueous electrolytes. The MVP//Zn ReHABs could be a potential candidate for future rechargeable aqueous battery due to their high safety, fast dynamic speed and adaptable electrochemical window. Moreover, this hybrid battery broadens the scope of battery material research from single-ion-involving to double-ions -involving rechargeable batteries.

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“…Such batteries are freed from the constraints of rigidity and weight that characterize current portable batteries. [9][10][11][12][13][14][15] Companies working in rechargeable, polymer Zn-MnO 2 batteries have demonstrated that this new zinc secondary battery chemistry is well suited to a broad range of features for flexible electronics at reduced cost. To provide a power source for these applications, flexible batteries delivering a high volumetric energy density are particularly desirable because there is often a limited volume for integrating the batteries into these applications.…”

Section: Introductionmentioning

confidence: 99%

Recent Advances in Flexible Zinc‐Based Rechargeable Batteries

Zhong

et al. 2018

Advanced Energy Materials

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date, there have been commercial efforts to manufacture lithium thin film batteries (<1 mm in thickness) being flexible and suitable for use in card-type and wearable devices. [3] However, these thin and flexible lithium-ion batteries have typically exhibited far less volumetric energy densities (<200 Wh L −1 ) than those of conventional lithium-ion batteries (<650 Wh L −1 ). [4] This performance roll-off is largely due to the fact that high barrier encapsulation of air and moisture sensitive lithium battery materials can severely impact the effective volumetric efficiency as the batteries are miniaturized. Therefore, high volumetric energy density lithium batteries with thickness <1 mm will be critical to enabling flexible electronics. [5] To this end, notable advancements have been made in the design of flexible lithium-sulfur and lithium-air batteries-those cathode chemistries enable high theoretical energy densities of 2800 and 6940 Wh L −1 , respectively-yet there remains substantial room for improvement. [6][7][8] The potential to yield high volumetric capacities by using less environmentally sensitive materials in the batteries sees zinc as an attractive anode alternative to lithium. In addition to the stability, zinc is likely to experience less cost pressure on raw material availability compared to lithium. In all cases, zinc secondary batteries represent a highly promising area of technology for Flexible Zn-based batteries are regarded as promising alternatives to flexible lithium-ion batteries for wearable electronics owing to the natural advantages of zinc, such as environmental friendliness and low cost. In the past few years, flexible Zn-based batteries have been studied intensively and exciting achievements have been obtained in this field. However, the development of flexible Zn-based batteries is still at an early stage. The challenges of developing flexible lithium-ion batteries are presented here. Then, a brief overview of recent progress in flexible zinc secondary batteries from the perspective of advanced materials and some issues that remain to be addressed are discussed.

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A flexible solid-state electrolyte for wide-scale integration of rechargeable zinc–air batteries

Abstract: Replacing liquid electrolytes with a versatile, solid-state membrane based on highly functionalized cellulose nanofibers allows for easy integration of rechargeable zinc–air into any bendable and wearable devices.

Cited by 290 publications

References 50 publications

Laminated Cross‐Linked Nanocellulose/Graphene Oxide Electrolyte for Flexible Rechargeable Zinc–Air Batteries

Laminated Cross‐Linked Nanocellulose/Graphene Oxide Electrolyte for Flexible Rechargeable Zinc–Air Batteries

Novel Rechargeable M3V2(PO4)3//Zinc (M = Li, Na) Hybrid Aqueous Batteries with Excellent Cycling Performance

Recent Advances in Flexible Zinc‐Based Rechargeable Batteries

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