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  1. Article ; Online: Electrolyte Regulation in Stabilizing the Interface of a Cobalt-Free Layered Cathode for 4.8 V High-Voltage Lithium-Ion Batteries.

    Ma, Mingyuan / Zhu, Zhenglu / Yang, Dan / Qie, Long / Huang, Zhimei / Huang, Yunhui

    ACS applied materials & interfaces

    2024  Volume 16, Issue 10, Page(s) 12554–12562

    Abstract: The cobalt-free layered oxide cathode of ... ...

    Abstract The cobalt-free layered oxide cathode of LiNi
    Language English
    Publishing date 2024-02-29
    Publishing country United States
    Document type Journal Article
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.3c18711
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Li₂Se as a Cathode Prelithiation Additive for Lithium-Ion Batteries

    Pan, Yujun / Qi, Xiaoqun / Du, Haoran / Ji, Yongsheng / Yang, Dan / Zhu, Zhenglu / Yang, Ying / Qie, Long / Huang, Yunhui

    ACS Applied Materials & Interfaces. 2023 Apr. 10, v. 15, no. 15 p.18763-18770

    2023  

    Abstract: In conventional lithium-ion batteries (LIBs), active lithium (Li) ions, which function as charge carriers and could only be supplied by the Li-containing cathodes, are also consumed during the formation of the solid electrolyte interphase. Such ... ...

    Abstract In conventional lithium-ion batteries (LIBs), active lithium (Li) ions, which function as charge carriers and could only be supplied by the Li-containing cathodes, are also consumed during the formation of the solid electrolyte interphase. Such irreversible Li loss reduces the energy density of LIBs and is highly desired to be compensated by prelithiation additives. Herein, lithium selenide (Li₂Se), which could be irreversibly converted into selenide (Se) at 2.5-3.8 V and thus supplies additional Li, is proposed as a cathode prelithiation additive for LIBs. Compared with previously reported prelithiation reagents (e.g., Li₆CoO₄, Li₂O, and Li₂S), the delithiation of Li₂Se not only delivers a high specific capacity but also avoids gas release and incompatibility with carbonate electrolytes. The electrochemical characterizations show that with the addition of 6 wt % Li₂Se to the LiFePO₄ (LFP) cathodes, a 9% increase in the initial specific capacity in half Li||LFP cells and a 19.8% increase in the energy density (based on the total mass of the two electrodes' materials) could be achieved without sacrificing the other battery performance. This work demonstrates the possibility to use Li₂Se as a high-efficiency prelithiation additive for LIBs and provides a solution to the high-energy LIBs.
    Keywords batteries ; carbonates ; cathodes ; electrochemistry ; electrolytes ; energy density ; lithium ; selenides ; lithium loss ; prelithiation additive ; prelithiation ; lithium selenide ; high-energy lithium-ion battery
    Language English
    Dates of publication 2023-0410
    Size p. 18763-18770.
    Publishing place American Chemical Society
    Document type Article ; Online
    ISSN 1944-8252
    DOI 10.1021/acsami.2c21312
    Database NAL-Catalogue (AGRICOLA)

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  3. Article ; Online: Li

    Pan, Yujun / Qi, Xiaoqun / Du, Haoran / Ji, Yongsheng / Yang, Dan / Zhu, Zhenglu / Yang, Ying / Qie, Long / Huang, Yunhui

    ACS applied materials & interfaces

    2023  Volume 15, Issue 15, Page(s) 18763–18770

    Abstract: In conventional lithium-ion batteries (LIBs), active lithium (Li) ions, which function as charge carriers and could only be supplied by the Li-containing cathodes, are also consumed during the formation of the solid electrolyte interphase. Such ... ...

    Abstract In conventional lithium-ion batteries (LIBs), active lithium (Li) ions, which function as charge carriers and could only be supplied by the Li-containing cathodes, are also consumed during the formation of the solid electrolyte interphase. Such irreversible Li loss reduces the energy density of LIBs and is highly desired to be compensated by prelithiation additives. Herein, lithium selenide (Li
    Language English
    Publishing date 2023-04-10
    Publishing country United States
    Document type Journal Article
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.2c21312
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Zinc-Contained Alloy as a Robustly Adhered Interfacial Lattice Locking Layer for Planar and Stable Zinc Electrodeposition.

    Ji, Jie / Zhu, Zhenglu / Du, Haoran / Qi, Xiaoqun / Yao, Jia / Wan, Houzhao / Wang, Hao / Qie, Long / Huang, Yunhui

    Advanced materials (Deerfield Beach, Fla.)

    2023  Volume 35, Issue 20, Page(s) e2211961

    Abstract: Stable zinc (Zn)/electrolyte interface is critical for developing rechargeable aqueous Zn-metal batteries with long-term stability, which requires the dense and stable Zn electrodeposition. Herein, an interfacial lattice locking (ILL) layer is ... ...

    Abstract Stable zinc (Zn)/electrolyte interface is critical for developing rechargeable aqueous Zn-metal batteries with long-term stability, which requires the dense and stable Zn electrodeposition. Herein, an interfacial lattice locking (ILL) layer is constructed via the electro-codeposition of Zn and Cu onto the Zn electrodes. The ILL layer shows a low lattice misfit (δ = 0.036) with Zn(002) plane and selectively locks the lattice orientation of Zn deposits, enabling the epitaxial growth of Zn deposits layer by layer. Benefiting from the unique orientation-guiding and robustly adhered properties, the ILL layer enables the symmetric Zn||Zn cells to achieve an ultralong life span of >6000 h at 1 mA cm
    Language English
    Publishing date 2023-03-30
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1474949-X
    ISSN 1521-4095 ; 0935-9648
    ISSN (online) 1521-4095
    ISSN 0935-9648
    DOI 10.1002/adma.202211961
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Regenerated Graphite Electrodes with Reconstructed Solid Electrolyte Interface and Enclosed Active Lithium Toward >100% Initial Coulombic Efficiency.

    Ji, Yongsheng / Zhang, Hao / Yang, Dan / Pan, Yujun / Zhu, Zhenglu / Qi, Xiaoqun / Pi, Xinpeng / Du, Weichen / Cheng, Zhiheng / Yao, Yonggang / Qie, Long / Huang, Yunhui

    Advanced materials (Deerfield Beach, Fla.)

    2024  , Page(s) e2312548

    Abstract: Solid electrolyte interface (SEI) is arguably the most important concern in graphite anodes, which determines their achievable Coulombic efficiency (CE) and cycling stability. In spent graphite anodes, there are already-formed (yet loose and/or broken) ... ...

    Abstract Solid electrolyte interface (SEI) is arguably the most important concern in graphite anodes, which determines their achievable Coulombic efficiency (CE) and cycling stability. In spent graphite anodes, there are already-formed (yet loose and/or broken) SEIs and some residual active lithium, which, if can be inherited in the regenerated electrodes, are highly desired to compensate for the lithium loss due to SEI formation. However, current graphite regenerated approaches easily destroy the thin SEIs and residue active lithium, making their reuse impossible. Herein, this work reports a fast-heating strategy (e.g., 1900 K for ≈150 ms) to upcycle degraded graphite via instantly converting the loose original SEI layer (≈100 nm thick) to a compact and mostly inorganic one (≈10-30 nm thick with a 26X higher Young's Modulus) and still retaining the activity of residual lithium. Thanks to the robust SEI and enclosed active lithium, the regenerated graphite exhibited 104.7% initial CE for half-cell and gifted the full cells with LiFePO
    Language English
    Publishing date 2024-02-07
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1474949-X
    ISSN 1521-4095 ; 0935-9648
    ISSN (online) 1521-4095
    ISSN 0935-9648
    DOI 10.1002/adma.202312548
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Air-Stable Li

    Qi, Xiaoqun / Jin, Xiaoyu / Xu, Henghui / Pan, Yujun / Yang, Fengyi / Zhu, Zhenglu / Ji, Jie / Jiang, Ruining / Du, Haoran / Ji, Yongsheng / Yang, Dan / Qie, Long / Huang, Yunhui

    Advanced materials (Deerfield Beach, Fla.)

    2024  Volume 36, Issue 14, Page(s) e2310756

    Abstract: ... Using ... ...

    Abstract Using Li
    Language English
    Publishing date 2024-01-07
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1474949-X
    ISSN 1521-4095 ; 0935-9648
    ISSN (online) 1521-4095
    ISSN 0935-9648
    DOI 10.1002/adma.202310756
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Demystifying the Salt-Induced Li Loss: A Universal Procedure for the Electrolyte Design of Lithium-Metal Batteries.

    Zhu, Zhenglu / Li, Xiaohui / Qi, Xiaoqun / Ji, Jie / Ji, Yongsheng / Jiang, Ruining / Liang, Chaofan / Yang, Dan / Yang, Ze / Qie, Long / Huang, Yunhui

    Nano-micro letters

    2023  Volume 15, Issue 1, Page(s) 234

    Abstract: Lithium (Li) metal electrodes show significantly different reversibility in the electrolytes with different salts. However, the understanding on how the salts impact on the Li loss remains unclear. Herein, using the electrolytes with different salts (e.g. ...

    Abstract Lithium (Li) metal electrodes show significantly different reversibility in the electrolytes with different salts. However, the understanding on how the salts impact on the Li loss remains unclear. Herein, using the electrolytes with different salts (e.g., lithium hexafluorophosphate (LiPF
    Language English
    Publishing date 2023-10-24
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2642093-4
    ISSN 2150-5551 ; 2150-5551
    ISSN (online) 2150-5551
    ISSN 2150-5551
    DOI 10.1007/s40820-023-01205-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Electrochemical Reactivation of Dead Li

    Qi, Xiaoqun / Yang, Fengyi / Sang, Pengfei / Zhu, Zhenglu / Jin, Xiaoyu / Pan, Yujun / Ji, Jie / Jiang, Ruining / Du, Haoran / Ji, Yongsheng / Fu, Yongzhu / Qie, Long / Huang, Yunhui

    Angewandte Chemie (International ed. in English)

    2023  Volume 62, Issue 9, Page(s) e202218803

    Abstract: The use of non-solvating, or as-called sparingly-solvating, electrolytes (NSEs), is regarded as one of the most promising solutions to the obstacles to the practical applications of Li-S batteries. However, it remains a puzzle that long-life Li-S ... ...

    Abstract The use of non-solvating, or as-called sparingly-solvating, electrolytes (NSEs), is regarded as one of the most promising solutions to the obstacles to the practical applications of Li-S batteries. However, it remains a puzzle that long-life Li-S batteries have rarely, if not never, been reported with NSEs, despite their good compatibility with Li anode. Here, we find the capacity decay of Li-S batteries in NSEs is mainly due to the accumulation of the dead Li
    Language English
    Publishing date 2023-01-19
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2011836-3
    ISSN 1521-3773 ; 1433-7851
    ISSN (online) 1521-3773
    ISSN 1433-7851
    DOI 10.1002/anie.202218803
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Solvation and Interfacial Engineering Enable -40 °C Operation of Graphite/NCM Batteries at Energy Density over 270 Wh kg

    Zheng, Xueying / Cao, Zhang / Luo, Wei / Weng, Suting / Zhang, Xianlin / Wang, Donghai / Zhu, Zhenglu / Du, Haoran / Wang, Xuefeng / Qie, Long / Zheng, Honghe / Huang, Yunhui

    Advanced materials (Deerfield Beach, Fla.)

    2023  Volume 35, Issue 10, Page(s) e2210115

    Abstract: Li-ion batteries (LIBs) that can operate under low temperature (LT) conditions are essential for applications in orbital missions, subsea areas, and electric vehicles. Unfortunately, severe capacity loss is witnessed due to tremendous kinetic barriers ... ...

    Abstract Li-ion batteries (LIBs) that can operate under low temperature (LT) conditions are essential for applications in orbital missions, subsea areas, and electric vehicles. Unfortunately, severe capacity loss is witnessed due to tremendous kinetic barriers that emerge at LT. Herein, to surmount such kinetic limitations, a low dielectric environment is tamed throughout the bulk electrolyte, which efficaciously brought the Li
    Language English
    Publishing date 2023-01-18
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1474949-X
    ISSN 1521-4095 ; 0935-9648
    ISSN (online) 1521-4095
    ISSN 0935-9648
    DOI 10.1002/adma.202210115
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: A green electrochemical transformation of inferior coals to crystalline graphite for stable Li-ion storage

    Zhu, Zhenglu / Haibin Zuo / Shijie Li / Jiguo Tu / Wei Guan / Wei-Li Song / Jun Zhao / Donghua Tian / Shuqiang Jiao

    Journal of materials chemistry A. 2019 Mar. 26, v. 7, no. 13

    2019  

    Abstract: With the increasing demand for the efficient utilization of global resources, green strategies for the transformation of inferior coals to highly value-added products are largely required. In this study, a green approach was demonstrated for the ... ...

    Abstract With the increasing demand for the efficient utilization of global resources, green strategies for the transformation of inferior coals to highly value-added products are largely required. In this study, a green approach was demonstrated for the conversion of inferior coals into crystalline graphite using a simple purification and high-efficiency electrochemical method. After being processed in the molten CaCl₂ salt under 2.6 V at 950 °C for 6 h, the products presented a highly graphitic structure with high degree of graphitization. The as-prepared graphite was employed as a negative electrode material for lithium-ion batteries, delivering a highly reversible capacity of 510 mA h g⁻¹ at 1C. High-performance lithium-ion storage represents an efficient green strategy to reuse inferior coals for conversion into value-added products via a more sustainable route.
    Keywords calcium chloride ; coal ; electrochemistry ; electrodes ; graphene ; lithium batteries ; value-added products
    Language English
    Dates of publication 2019-0326
    Size p. 7533-7540.
    Publishing place The Royal Society of Chemistry
    Document type Article
    ZDB-ID 2702232-8
    ISSN 2050-7496 ; 2050-7488
    ISSN (online) 2050-7496
    ISSN 2050-7488
    DOI 10.1039/c8ta12412d
    Database NAL-Catalogue (AGRICOLA)

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