Co-doping strategy enhanced the ionic conductivity and excellent lithium stability of garnet-type Li7La3Zr2O12 electrolyte in all solid-state lithium batteries

Xu, Ziqiang; Hu, Xin; Fu, Bishi; Khan, Kashif; Wu, Jintian; Li, Teng; Zhou, Haiping; Fang, Zixuan; Wu, Mengqiang

doi:10.1016/j.jmat.2023.01.007

Cited by 11 publications

(8 citation statements)

References 49 publications

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“…This is further suggested by reports elsewhere where Ti or Ce was used singularly as cubic stabilising dopant, where long synthesis/densification times were required. 70,86,87,110…”

Section: Resultsmentioning

confidence: 99%

“…This is also true of the majority of reports elsewhere. 37,41,78,87,92,101,[103][104][105] The sintering and densification behaviour of LTC, however, is considerably quicker and LTC has high ionic conductivity compared to similar reports (see later for impedance spectroscopy). [68][69][70]81,99,102,106 It is not clear why LTC has such rapid densification and sintering.…”

Section: X-ray Diffraction Resultsmentioning

confidence: 99%

“…This is further suggested by reports elsewhere where Ti or Ce was used singularly as cubic stabilising dopant, where long synthesis/ densification times were required. 70,86,87,110 CCD testing of LT showed that the system did not have a low ASR value (observed value was 1000-2000 O cm 2 ), see Fig. S10 (ESI ‡).…”

Section: Dopant Assessmentmentioning

confidence: 99%

“…The rapid simultaneous synthesis and densification results are not mirrored when preparing garnets using Ce or Ti as a single dopant, nor in reports detailing the single dopants elsewhere. [86][87][88] LTC shows excellent cycling stability, and a wide electrochemical window.…”

Section: Introductionmentioning

confidence: 99%

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Rapid sintering of Li_6.5La₃Zr₁Nb_0.5Ce_0.25Ti_0.25O₁₂ for high density lithium garnet electrolytes with current induced in situ interfacial resistance reduction

Stockham,

Dong,

James

et al. 2023

Energy Adv.

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“…This is further suggested by reports elsewhere where Ti or Ce was used singularly as cubic stabilising dopant, where long synthesis/densification times were required. 70,86,87,110…”

Section: Resultsmentioning

confidence: 99%

Section: X-ray Diffraction Resultsmentioning

confidence: 99%

Section: Dopant Assessmentmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Rapid sintering of Li_6.5La₃Zr₁Nb_0.5Ce_0.25Ti_0.25O₁₂ for high density lithium garnet electrolytes with current induced in situ interfacial resistance reduction

Stockham,

Dong,

James

et al. 2023

Energy Adv.

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“…Though Ga ions reflect a higher value of ionic conductivity but it is still too low to compete with conventional liquid electrolytes. Thus, efforts to further improve ionic conductivity are carried out by substitution of dual/element doping (Xu et al, 2023). Ga/Nb ion dual substitutions result in high Li + ion conduction in LLZO (Lan et al, 2020).…”

Section: Lithium Lanthanum Zirconatementioning

confidence: 99%

Materials Towards the Development of Li Rechargeable Thin Film Battery

Singh

2023

Prabha Materials Science Letters

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The present work gives an overview of materials towards the development of Li rechargeable thin film batteries. Conventional Li rechargeable battery faces issues related with large volume, safety issues due to the presence of liquid electrolyte. These issues are proposed to resolve by developing these batteries in thin film form. The main drawback of these batteries is finding an appropriate inorganic material to be used as electrolytes. Other issue is related with design of appropriate cathode material which should be cost effective and is able to provide better electrochemical performance compared to competitive counterparts. In this review, a brief description of lithium lanthanum zirconate as a solid-state electrolyte and Co free Ni rich layered oxide has been provided to overcome these issues. Strategies for optimizing these materials for designing a stable, safe and cost-effective thin film batteries are also elaborated.

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Interfacial Plasticization Strategy Enabling a Long‐Cycle‐Life Solid‐State Lithium Metal Battery

Zhang,

et al. 2023

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The limited ionic conductivity and unstable interface due to poor solid–solid interface pose significant challenges to the stable cycling of solid‐state batteries (SSBs). Herein, an interfacial plasticization strategy is proposed by introducing a succinonitrile (SN)‐based plastic curing agent into the polyacrylonitrile (PAN)‐based composite polymer electrolytes (CPE) interface. The SN at the interface strongly plasticizes the PAN in the CPE, which reduces the crystallinity of the PAN drastically and enables the CPE to obtain a low modulus surface, but it still maintains a high modulus internally. The reduced crystallinity of PAN provides more amorphous regions, which are favorable for Li+ transport. The gradient modulus structure not only ensures intimate interfacial contact but also favors the suppression of Li dendrites growth. Consequently, the interfacial plasticized CPE (SF‐CPE) obtains a high ionic conductivity of 4.8 × 10−4 S cm−1 as well as a high Li+ transference number of 0.61. The Li–Li symmetric cell with SF‐CPE can cycle for 1000 h at 0.1 mA cm−2, the LiFeO4 (LFP)‐Li full‐cell demonstrates a high capacity retention of 86.1% after 1000 cycles at 1 C, and the LiCoO2 (LCO)‐Li system also exhibits an excellent cycling performance. This work provides a novel strategy for long‐life solid‐state batteries.

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Co-doping strategy enhanced the ionic conductivity and excellent lithium stability of garnet-type Li7La3Zr2O12 electrolyte in all solid-state lithium batteries

Cited by 11 publications

References 49 publications

Rapid sintering of Li_6.5La₃Zr₁Nb_0.5Ce_0.25Ti_0.25O₁₂ for high density lithium garnet electrolytes with current induced in situ interfacial resistance reduction

Rapid sintering of Li_6.5La₃Zr₁Nb_0.5Ce_0.25Ti_0.25O₁₂ for high density lithium garnet electrolytes with current induced in situ interfacial resistance reduction

Materials Towards the Development of Li Rechargeable Thin Film Battery

Interfacial Plasticization Strategy Enabling a Long‐Cycle‐Life Solid‐State Lithium Metal Battery

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Co-doping strategy enhanced the ionic conductivity and excellent lithium stability of garnet-type Li7La3Zr2O12 electrolyte in all solid-state lithium batteries

Cited by 11 publications

References 49 publications

Rapid sintering of Li6.5La3Zr1Nb0.5Ce0.25Ti0.25O12 for high density lithium garnet electrolytes with current induced in situ interfacial resistance reduction

Rapid sintering of Li6.5La3Zr1Nb0.5Ce0.25Ti0.25O12 for high density lithium garnet electrolytes with current induced in situ interfacial resistance reduction

Materials Towards the Development of Li Rechargeable Thin Film Battery

Interfacial Plasticization Strategy Enabling a Long‐Cycle‐Life Solid‐State Lithium Metal Battery

Contact Info

Product

Resources

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Rapid sintering of Li_6.5La₃Zr₁Nb_0.5Ce_0.25Ti_0.25O₁₂ for high density lithium garnet electrolytes with current induced in situ interfacial resistance reduction

Rapid sintering of Li_6.5La₃Zr₁Nb_0.5Ce_0.25Ti_0.25O₁₂ for high density lithium garnet electrolytes with current induced in situ interfacial resistance reduction