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  • 1
    Online Resource
    Online Resource
    Liquid Metal‐based Stable And Stretchable Zn‐ion Battery for Electronic Textiles
    Wiley ; 2023
    In:  Advanced Materials
    Details
    In: Advanced Materials, Wiley
    Abstract: Electronic textiles harmoniously interact with the human body and the surrounding environment, offering tremendous interest in smart wearable electronics. However, their wide application faces challenges due to the lack of stable and stretchable power electrodes/devices with multifunctional design. Herein, we report an intrinsically stretchable liquid metal‐based fibrous anode for a stable Zn‐ion battery (ZIB). Benefiting from the liquid feature and superior deformability of the liquid metal, optimized Zn ion concentration distribution and Zn (002) deposition behavior have been observed, which results in dendrite‐free performance even under stretching. With a strain of 50%, the ZIB maintains a high capacity of 139.8 mAh cm−3 (corresponding to 83.0% of the initial value) after 300 cycles, outperforming bare Zn fiber‐based ZIB. The fibrous ZIB seamlessly integrates with sensor, Joule heater and wirelessly charging device, which provides a stable power supply for human signal monitoring and personal thermal management, holding promise for the application of wearable multifunctional electronic textiles. This article is protected by copyright. All rights reserved
    Type of Medium: Online Resource
    ISSN: 0935-9648 , 1521-4095
    URL: Article
    DOI: 10.1002/adma.202305812
    RVK:
    UA 1538
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 1474949-X
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  • 2
    Online Resource
    Online Resource
    Robust estimation of bacterial cell count from optical density
    Springer Science and Business Media LLC ; 2020
    In:  Communications Biology Vol. 3, No. 1 ( 2020-09-17)
    Details
    In: Communications Biology, Springer Science and Business Media LLC, Vol. 3, No. 1 ( 2020-09-17)
    Abstract: Optical density (OD) is widely used to estimate the density of cells in liquid culture, but cannot be compared between instruments without a standardized calibration protocol and is challenging to relate to actual cell count. We address this with an interlaboratory study comparing three simple, low-cost, and highly accessible OD calibration protocols across 244 laboratories, applied to eight strains of constitutive GFP-expressing E. coli . Based on our results, we recommend calibrating OD to estimated cell count using serial dilution of silica microspheres, which produces highly precise calibration (95.5% of residuals   〈 1.2-fold), is easily assessed for quality control, also assesses instrument effective linear range, and can be combined with fluorescence calibration to obtain units of Molecules of Equivalent Fluorescein (MEFL) per cell, allowing direct comparison and data fusion with flow cytometry measurements: in our study, fluorescence per cell measurements showed only a 1.07-fold mean difference between plate reader and flow cytometry data.
    Type of Medium: Online Resource
    ISSN: 2399-3642
    URL: Article
    DOI: 10.1038/s42003-020-01127-5
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2020
    detail.hit.zdb_id: 2919698-X
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  • 3
    Online Resource
    Online Resource
    Author Correction: Robust estimation of bacterial cell count from optical density
    Springer Science and Business Media LLC ; 2020
    In:  Communications Biology Vol. 3, No. 1 ( 2020-10-27)
    Details
    In: Communications Biology, Springer Science and Business Media LLC, Vol. 3, No. 1 ( 2020-10-27)
    Abstract: An amendment to this paper has been published and can be accessed via a link at the top of the paper.
    Type of Medium: Online Resource
    ISSN: 2399-3642
    URL: Article
    DOI: 10.1038/s42003-020-01371-9
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2020
    detail.hit.zdb_id: 2919698-X
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  • 4
    Online Resource
    Online Resource
    Regulating Dendrite‐Free Zinc Deposition by 3D Zincopilic Nitrogen‐Doped Vertical Graphene for High‐Performance Flexible Zn‐Ion Batteries
    Wiley ; 2021
    In:  Advanced Functional Materials Vol. 31, No. 37 ( 2021-09)
    Details
    In: Advanced Functional Materials, Wiley, Vol. 31, No. 37 ( 2021-09)
    Abstract: The rapidly growing demand for wearable and portable electronics has driven the recent revival of flexible Zn‐ion batteries (ZIBs). However, issues of dendrite growth and low the flexibility of Zn metal anode still impede their practical application. Herein, 3D nitrogen‐doped vertical graphene nanosheets in situ grown on carbon cloth (N‐VG@CC) are proposed to enable uniform Zn nucleation, thereby obtaining a dendrite‐free and robust Zn anode. The introduced zincopilic N‐containing groups in N‐VG effectively reduce the Zn nucleation overpotential by enhancing the interaction between Zn 2+ ion and carbon substrate, as confirmed by density functional theory calculations, thus achieving uniform distribution of Zn nucleus. Moreover, the 3D nanosheet arrays can homogenize electric distribution, which optimizes the subsequence Zn deposition process and realizes the highly reversible Zn plating/stripping process. Consequently, the as‐prepared Zn@N‐VG@CC anode exhibits an improved overall electrochemical performance compared with Zn@CC. As a proof‐of‐concept application, the high‐performance Zn@N‐VG@CC electrodes are successfully employed as anodes for coin and flexible quasi‐solid‐state ZIBs together with MnO 2 @N‐VG@CC (deposited MnO 2 nanosheets on N‐VG@CC) as cathodes. More importantly, the flexible ZIB exhibits impressive cycling stability with 80% capacity retention after 300 cycles and outstanding mechanical flexibility, indicating a promising potential for portable and wearable electronics.
    Type of Medium: Online Resource
    ISSN: 1616-301X , 1616-3028
    URL: Issue
    URL: Article
    DOI: 10.1002/adfm.v31.37
    DOI: 10.1002/adfm.202103922
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 2029061-5
    detail.hit.zdb_id: 2039420-2
    SSG: 11
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  • 5
    Online Resource
    Online Resource
    Wood‐Derived Continuously Oriented Three‐Phase Interfacial Channels for High‐Performance Quasi‐Solid‐State Alkaline Zinc Batteries
    Wiley ; 2023
    In:  Advanced Materials Vol. 35, No. 26 ( 2023-06)
    Details
    In: Advanced Materials, Wiley, Vol. 35, No. 26 ( 2023-06)
    Abstract: Although recently developed hybrid zinc (Zn) batteries integrate the benefits of both alkaline Zn and Zn–air batteries, the kinetics of the electrocatalytic oxygen reaction and mass transfer of the electrolyte, which are limited by the mismatched and disordered multiphase reaction's interfacial transfer channels, considerably inhibit the performance of hybrid Zn batteries. In this work, novel, continuously oriented three‐phase interfacial channels at the cathode derived from the natural structure of pine wood are developed to address these challenges. A pine wood chip is carbonized and asymmetrically loaded with a hydrophilic active material to achieve the creation of a wood‐derived cathode that integrates the active material, current collector, and continuously oriented three‐phase reaction interfacial channels, which allows the reaction dynamics to be accelerated. Consequently, the assembled quasi‐solid‐state hybrid battery performs an extra charge–discharge process beyond that performed by a typical nickel (Ni)–Zn battery, resulting in a wide operating voltage range of 0.6–2.0 V and a superior specific capacity of 656.5 mAh g –1 , in addition to an excellent energy density (644.7 Wh kg –1 ) and good durability. The ≈370% capacity improvement relative to the Ni–Zn battery alone makes the hybrid battery one of the best‐performing alkaline Zn batteries.
    Type of Medium: Online Resource
    ISSN: 0935-9648 , 1521-4095
    URL: Issue
    URL: Article
    DOI: 10.1002/adma.v35.26
    DOI: 10.1002/adma.202300132
    RVK:
    UA 1538
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 1474949-X
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  • 6
    Online Resource
    Online Resource
    Stable Zn Anodes with Triple Gradients
    Wiley ; 2023
    In:  Advanced Materials Vol. 35, No. 6 ( 2023-02)
    Details
    In: Advanced Materials, Wiley, Vol. 35, No. 6 ( 2023-02)
    Abstract: Aqueous zinc‐ion batteries are highly desirable for sustainable energy storage, but the undesired Zn dendrites growth severely shortens the cycle life. Herein, a triple‐gradient electrode that simultaneously integrates gradient conductivity, zincophilicity, and porosity is facilely constructed for a dendrite‐free Zn anode. The simple mechanical rolling‐induced triple‐gradient design effectively optimizes the electric field distribution, Zn 2+ ion flux, and Zn deposition paths in the Zn anode, thus synergistically achieving a bottom‐up deposition behavior for Zn metals and preventing the short circuit from top dendrite growth. As a result, the electrode with triple gradients delivers a low overpotential of 35 mV and operates steadily over 400 h at 5 mA cm ‐2 /2.5 mAh cm ‐2 and 250 h at 10 mA cm ‐2 /1 mAh cm ‐2 , far surpassing the non‐gradient, single‐gradient and dual‐gradient counterparts. The well‐tunable materials and structures with the facile fabrication method of the triple‐gradient strategy will bring inspiration for high‐performance energy storage devices.
    Type of Medium: Online Resource
    ISSN: 0935-9648 , 1521-4095
    URL: Issue
    URL: Article
    DOI: 10.1002/adma.v35.6
    DOI: 10.1002/adma.202207573
    RVK:
    UA 1538
    Language: English
    Publisher: Wiley
    Publication Date: 2023
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  • 7
    Online Resource
    Online Resource
    3D-printed flexible supercapacitors with multi-level bonded configuration via ion cross-linking
    Royal Society of Chemistry (RSC) ; 2022
    In:  Journal of Materials Chemistry A Vol. 10, No. 31 ( 2022), p. 16409-16419
    Details
    In: Journal of Materials Chemistry A, Royal Society of Chemistry (RSC), Vol. 10, No. 31 ( 2022), p. 16409-16419
    Abstract: Recent fast development of the Internet of Things has increased the demand for wearable and bio-integrated flexible electronic systems. However, stretchable and flexible energy storage devices are still challenging since their neighboring electrodes are highly susceptible to relative detachment during complex external deformation, leading to the destruction of the whole device. Herein, we report a versatile strategy of multi-level bridged configurations for flexible and stretchable energy storage devices. An in situ introduced crosslinking of alginate chains results in multi-level tight connections in both inner parts and interface of the electrode and the electrolyte, which simultaneously improve mechanical properties and interfacial connections thus resulting in high interface charge transfer efficiency and ultra-stable electrochemical performance under various deformation states. As demonstrated by an all 3D-printed integrated MXene-based stretchable supercapacitor, the crosslinked cell achieves an areal capacitance of 2.7 F cm −2 at 7 mA cm −2 , which is much better than the device without such bridging. In addition, the crosslinked device also exhibits much improved mechanical flexibility that works well under 50% strain for 2000 repeated stretch/release cycles. The multi-level bridged strategy can be extended to the simultaneous improvement of the mechanical and electrochemical properties of other materials, which paves a good way for next-generation high performance super-stretchable electronics.
    Type of Medium: Online Resource
    ISSN: 2050-7488 , 2050-7496
    URL: Article
    DOI: 10.1039/D2TA04379C
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2022
    detail.hit.zdb_id: 2702232-8
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  • 8
    Online Resource
    Online Resource
    Ultrafast-charging quasi-solid-state fiber-shaped zinc-ion hybrid supercapacitors with superior flexibility
    Royal Society of Chemistry (RSC) ; 2021
    In:  Journal of Materials Chemistry A Vol. 9, No. 32 ( 2021), p. 17292-17299
    Details
    In: Journal of Materials Chemistry A, Royal Society of Chemistry (RSC), Vol. 9, No. 32 ( 2021), p. 17292-17299
    Abstract: Fiber-shaped zinc-ion hybrid supercapacitors (FZHSCs) with the combined merits of both SCs and zinc-ion batteries are promising energy storage devices for miniaturized wearable and portable electronics. However, one of their main limitations is developing advanced capacitor-typed fiber electrodes based on high capacitance carbon materials to overcome the wide capacity gap between the positive electrode and negative electrode, thereby achieving high energy and power densities simultaneously, especially when the charging/discharging rate exceeds 1 V s −1 . Herein, a 3D nitrogen-doped carbon nanotube architecture@carbon nanotube (N-CNT@CNT) fiber electrode is designed, aiming to improve its capacitance and rate capability by taking advantage of the fast electron transport kinetics of the N-CNT active material and the high specific surface area of the 3D N-CNT network. A quasi-solid-state FZHSC assembled by twisting the N-CNT@CNT fiber and Zn NSs@CNT fiber (electrodeposited Zn nanosheets on a CNT fiber) electrodes exhibits superior electrochemical performance at rates up to 5 V s −1 , which is the highest charging/discharging rate reported so far for FZHSCs based on carbon materials, as well as a high areal energy density of 5.18 μW h cm −2 . More importantly, thanks to the high stability of the 3D N-CNT nanoarray-based electrode and the twisted architecture, the FZHSC shows outstanding mechanical flexibility and robustness, which is well proved by the finite element (FE) simulation method for the first time.
    Type of Medium: Online Resource
    ISSN: 2050-7488 , 2050-7496
    URL: Article
    DOI: 10.1039/D1TA05617D
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2021
    detail.hit.zdb_id: 2702232-8
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  • 9
    Online Resource
    Online Resource
    Ultra‐Stable 3D‐Printed Zn Powder‐Based Anode Coated with a Conformal Ion‐Conductive Layer
    Wiley ; 2023
    In:  Advanced Energy Materials
    Details
    In: Advanced Energy Materials, Wiley
    Abstract: Zinc powder is promising for rechargeable zinc‐ion batteries due to its low cost and well tunability. However, the corrosion and the dendrite growth are much more serious in zinc powder than those in conventional zinc foils, which poses a significant obstacle to wide utilization. Herein, an ultra‐stable Zn powder‐based anode constructed by coating a conformal ion‐conductive hydrogel layer on 3D‐printed Zn scaffolds is reported. The interconnected hydrogel effectively redistributes the zinc ion flux and homogenizes the surface electric field, while the 3D architecture alleviates the stress from volume change at high current densities/capacities. As a result, the 3D Zn powder‐based symmetric cell steadily works for over 4700 h ( 〉 6 months) at a high current density/capacity of 5 mA cm −2 /5 mAh cm −2 , which is superior to previously reported Zn powder‐based anodes and bare Zn foil, providing a promising route for practical applications of low‐cost and large‐scale zinc‐ion batteries.
    Type of Medium: Online Resource
    ISSN: 1614-6832 , 1614-6840
    URL: Article
    DOI: 10.1002/aenm.202301997
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 2594556-7
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  • 10
    Online Resource
    Online Resource
    A High‐Capacity Gradient Zn Powder Anode for Flexible Zn‐Ion Batteries
    Wiley ; 2023
    In:  Advanced Energy Materials
    Details
    In: Advanced Energy Materials, Wiley
    Abstract: Zn powder‐based anodes are promising for flexible Zn‐ion batteries with large‐scale production, but the drawbacks such as dendrite growth and side reactions strictly hinder their wide application. Herein, a free‐standing Zn powder‐based anode with gradient particle size and porosity is facilely constructed for flexible Zn‐ion batteries. The gradient design not only optimizes the electric field distribution and the Zn‐ion flux but also induces ideal bottom‐up deposition and top‐down stripping behaviors of Zn, thus suppressing dendrite growth. As a result, the flexible gradient Zn powder anode can be stably cycled for 1250 h at 1 mA cm −2 /1 mAh cm −2 , and even at high current/capacity of 5 mA cm −2 /5 mAh cm −2 , it still achieves a long lifespan of 130 h, which outperforms its non‐gradient counterparts and most previous results from Zn powder‐based anodes. The gradient strategy is expected to inspire the extensive utilization of Zn powder‐based anodes for flexible energy storage devices.
    Type of Medium: Online Resource
    ISSN: 1614-6832 , 1614-6840
    URL: Article
    DOI: 10.1002/aenm.202301741
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 2594556-7
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