Room temperature solid state dual-ion batteries based on gel electrolytes

Wang, Shuai; Xiao, Xiangheng; Fu, Chaopeng; Tu, Jiguo; Tan, Yuanyuan; Jiao, Shuqiang

doi:10.1039/c8ta00221e

Cited by 42 publications

(30 citation statements)

References 50 publications

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“…53,56−66 It is further observed in Table 2 that the Li-ion battery fabricated with ionogel-3 shows a high specific discharge capacity comparable to or even better than those of batteries reported earlier. 53,56−66 Also, the dual-ion battery shows higher capacity and average discharge voltage (≥4.5 V) than those reported earlier, 13,66 indicating a high energy density at room temperature. It may be noted that only a few studies are available for the dual-ion battery.…”

Section: Resultsmentioning

confidence: 86%

Robust Succinonitrile Plastic Crystal-Based Ionogel for All-Solid-State Li-Ion and Dual-Ion Batteries

Pal

Ghosh

2020

ACS Appl. Energy Mater.

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We have synthesized highly conducting and electrochemically stable solidlike ionogels based on poly(vinylidene fluoride-co-hexafluoropropylene) P(VdF− HFP) copolymer matrix, succinonitrile (SN) plastic crystal plasticizer, lithium trifluromethanesulfonate (LiOTf) salt, and 1-butyl-1-methylpyrrolidinium trifluromethanesulfonate (BMPyrrOTf) ionic liquid. It is observed that the presence of SN in the ionogels enhances their ionic conductivity. The composition SN/BMPyrrOTf/ P(VdF−HFP) with a ratio 40:40:20 (w/w/w) containing 0.5 M LiOTf (ionogel-3) exhibits the highest ionic conductivity (∼12.18 mS cm −1 ) and Li + -ion transference number (∼31%). Ionogel-3 has shown long-term stability performance in lithium plating and stripping experiments at several current densities and improved electrochemical compatibility with electrodes at 30 °C. The Li-ion battery fabricated with ionogel-3 has delivered high specific discharge capacities of 86, 120, 139, 144, and 150 mAh g −1 at current densities of C/3, C/5, C/8, C/10, and C/12, respectively, at 30 °C. The fabricated Li−graphite dual-ion battery has also delivered high specific discharge capacities of 126, 89, and 51 mAh g −1 at 100, 300, and 500 mA g −1 current densities, respectively, maintaining a high average discharge voltage of ≥4.5 V.

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Section: Resultsmentioning

confidence: 86%

Robust Succinonitrile Plastic Crystal-Based Ionogel for All-Solid-State Li-Ion and Dual-Ion Batteries

Pal

Ghosh

2020

ACS Appl. Energy Mater.

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“…have proposed a GPE, PVDF‐HFP/SiO 2 soaked by LiPF 6 /EMC+3 wt.% VC, for a graphite cathode. The graphite cathode displayed a high reversible capacity of 80 mAh g −1 at 200 mA g −1 and an excellent cycling performance with a capacity retention of 82.0 % over 1,000 cycles . Chen et al.…”

Section: Gel Polymer Electrolytementioning

confidence: 99%

“…The graphite cathode displayed a high reversible capacity of 80 mAh g À 1 at 200 mA g À 1 and an excellent cycling performance with a capacity retention of 82.0 % over 1,000 cycles. [158] Chen et al reported a flexible dual-ion battery based on a PVDF-HFP/PEO/ GO GPE (PEO: poly(ethylene oxide); GO: graphene oxide) soaked with 4 M LiPF 6 /EMC + 2 % VC (Figure 11a). [159] The cell exhibited a high discharge capacity of~100 mAh g À 1 at 500 mA g À 1 with an average voltage of 4.0 V and outstanding cycling stability, with a capacity retention of 92 % after 2,000 cycles (Figure 11b).…”

Section: Gel Polymer Electrolytementioning

confidence: 99%

Electrolytes for Dual‐Carbon Batteries

Jiang

Luo

Zhong³

et al. 2019

ChemElectroChem

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Dual‐carbon batteries (DCBs) are a promising candidate for smart grid applications, owing to their low cost, high power capability, and environmentally friendly benefits. As an essential component of DCBs, electrolytes not only act as a medium for ion migration during the running of the battery, but also provide active ions to be intercalated into carbon electrodes, exerting significant impacts on the electrochemical performance and safety of the DCB. In this Review, we discuss recent progress in electrolyte research for DCBs, including conventional liquid electrolytes, highly concentrated electrolytes, and gel polymer electrolytes, with a focus on their stability and compatibility with carbon electrodes. Finally, we present perspectives on the current limitations and future research directions of electrolytes for DCBs. Some recommendations for battery evaluation are also offered.

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“…Moreover, good flexibility and thermal stability (up to 90 °C) were also achieved for this DIB. Except for GO, other inorganic fillers such as Al 2 O 3 [ 80 ] or SiO 2 [ 75 ] added in PVDF–HFP to form porous GPEs after immersing organic electrolytes were also reported for DIBs, which displayed high working voltage and reversible capacity, good rate performance, and excellent cycling stability.…”

Section: Electrolytesmentioning

confidence: 99%

A Review of Emerging Dual‐Ion Batteries: Fundamentals and Recent Advances

Zhang

Wang

Zhang

et al. 2021

Adv Funct Materials

158

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Dual‐ion batteries (DIBs), based on the working mechanism involving the storage of cations and anions separately in the anode and cathode during the charging/discharging process, are of great interest beyond lithium‐ion batteries (LIBs) in high‐efficiency energy storage due to the merits of high working voltage, material availability, as well as low cost and excellent safety. Despite the progress achieved, the practical applications of DIBs are still hindered by negative issues, such as limited capacity and cyclic stability, which triggers the development of suitable electrode materials with highly reversible capacities, and corresponding electrolytes with high oxidative stability as well as sufficient reaction kinetics of active ions. Herein, in this article, a systematic and comprehensive review of fundamentals and recent advances in current DIBs with subcategories of cathode materials, anode materials, and electrolytes are presented. In particular, their energy storage mechanisms, as well as their respective features, are dissected. Furthermore, some strategies and perspectives are proposed for facilitating the further development of DIBs in the future.

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Room temperature solid state dual-ion batteries based on gel electrolytes

Abstract: The solid-state dual-ion battery delivers a high reversible capacity of 80 mA h g−1, with long-term cycling stability.

Cited by 42 publications

References 50 publications

Robust Succinonitrile Plastic Crystal-Based Ionogel for All-Solid-State Li-Ion and Dual-Ion Batteries

Robust Succinonitrile Plastic Crystal-Based Ionogel for All-Solid-State Li-Ion and Dual-Ion Batteries

Electrolytes for Dual‐Carbon Batteries

A Review of Emerging Dual‐Ion Batteries: Fundamentals and Recent Advances

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