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  1. Article: User-involved charging control for lithium-ion batteries with economic cost optimization

    Ouyang, Quan / Fang, Ruyi / Xu, Guotuan / Liu, Yonggang

    Applied energy. 2022 May 15, v. 314

    2022  

    Abstract: Effective lithium-ion battery charging plays an essential role in promoting the development of electrified transportation. In this work, based on a coupled electrothermal model, an optimal charging control strategy is proposed by formulating a multi- ... ...

    Abstract Effective lithium-ion battery charging plays an essential role in promoting the development of electrified transportation. In this work, based on a coupled electrothermal model, an optimal charging control strategy is proposed by formulating a multi-objective optimization problem with comprehensively taking into account the user demand realization, economic cost optimization, energy loss reduction, and safety-related constraints. Next, the barrier method is employed to solve it to obtain the optimal charging current. This work highlights the superiorities of the multi-objective optimal charging approach that can intelligently adjust the charging current according to the user demand and peak–valley time-of-use electricity price, which can not only accomplish the user charging demand but also bring the benefit of less electricity fee and energy loss, thus alleviating the financial burden of users. At last, extensive simulation and experimental results validate the effectiveness of the designed multi-objective optimal charging control method.
    Keywords control methods ; electricity ; electricity costs ; energy ; lithium batteries ; models ; system optimization ; transportation
    Language English
    Dates of publication 2022-0515
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 2000772-3
    ISSN 0306-2619
    ISSN 0306-2619
    DOI 10.1016/j.apenergy.2022.118878
    Database NAL-Catalogue (AGRICOLA)

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  2. Article ; Online: A Stable Lithium Metal Anode Enabled by the Site-Directed Lithium Deposition of ZnO-Nanosheet-Modified Carbon Cloth.

    Zhou, Luoting / Yuan, Huadong / Fang, Ruyi / Huang, Hui / Gan, Yongping / Xia, Yang / Zhang, Jun / Xia, Xinhui / He, Xinping / Zhang, Wenkui

    ChemSusChem

    2024  , Page(s) e202400159

    Abstract: Uneven lithium (Li) metal deposition typically results in uncontrollable dendrite growth, which renders an unsatisfactory cycling stability and coulombic efficiency (CE) of Li metal batteries (LMBs), preventing their practical application. Herein, a ... ...

    Abstract Uneven lithium (Li) metal deposition typically results in uncontrollable dendrite growth, which renders an unsatisfactory cycling stability and coulombic efficiency (CE) of Li metal batteries (LMBs), preventing their practical application. Herein, a novel carbon cloth with the modification of ZnO nanosheets (ZnO@CC) is fabricated for LMBs. The as-prepared ZnO@CC with a cross-linked network significantly reduces the local current density, and the design of ZnO nanosheets can promote the uniform deposition of Li metal as lithiophilic sites. As a result, the Li metal anodes (LMAs) based on ZnO@CC (ZnO@CC@Li) enables a long cycle life over 640 hours with a low overpotential of 65 mV at a current density of 4 mA cm
    Language English
    Publishing date 2024-04-06
    Publishing country Germany
    Document type Journal Article
    ISSN 1864-564X
    ISSN (online) 1864-564X
    DOI 10.1002/cssc.202400159
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Response to Comment on "Puffed Rice Carbon with Coupled Sulfur and Metal Iron for High-Efficiency Mercury Removal in Aqueous Solution".

    Fang, Ruyi / Lu, Chengwei / Xia, Yang

    Environmental science & technology

    2020  Volume 54, Issue 12, Page(s) 7727–7729

    MeSH term(s) Carbon ; Iron ; Mercury ; Metals ; Oryza ; Sulfur
    Chemical Substances Metals ; Sulfur (70FD1KFU70) ; Carbon (7440-44-0) ; Iron (E1UOL152H7) ; Mercury (FXS1BY2PGL)
    Language English
    Publishing date 2020-06-04
    Publishing country United States
    Document type Letter ; Comment
    ISSN 1520-5851
    ISSN (online) 1520-5851
    DOI 10.1021/acs.est.0c02050
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Facile Synthesis of Pre-Lithiated LiTiO

    Lu, Chengwei / Fang, Ruyi / Gan, Yongping / He, Xinping / Xiao, Zhen / Huang, Hui / Zhang, Jun / Xia, Xinhui / Zhang, Wenkui / Xia, Yang

    ACS applied materials & interfaces

    2023  Volume 16, Issue 1, Page(s) 898–906

    Abstract: Titanium dioxide ( ... ...

    Abstract Titanium dioxide (TiO
    Language English
    Publishing date 2023-12-28
    Publishing country United States
    Document type Journal Article
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.3c16525
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: In Situ

    Hu, Liuyi / Yang, Tianqi / Yan, Xiang / Liu, Yaning / Zhang, Wenkui / Zhang, Jun / Xia, Yang / Wang, Yao / Gan, Yongping / He, Xinping / Xia, Xinhui / Fang, Ruyi / Tao, Xinyong / Huang, Hui

    ACS nano

    2024  Volume 18, Issue 11, Page(s) 8463–8474

    Abstract: All-solid-state lithium-sulfur batteries (ASSLSBs) have attracted wide attention due to their ultrahigh theoretical energy density and the ability of completely avoiding the shuttle effect. However, the further development of ASSLSBs is limited by the ... ...

    Abstract All-solid-state lithium-sulfur batteries (ASSLSBs) have attracted wide attention due to their ultrahigh theoretical energy density and the ability of completely avoiding the shuttle effect. However, the further development of ASSLSBs is limited by the poor kinetic properties of the solid electrode interface. It remains a great challenge to achieve good kinetic properties, by common strategies to substitute sulfur-transition metal and organosulfur composites for sulfur without reducing the specific capacity of ASSLSBs. In this study, a sulfur-(Ketjen Black)-(bistrifluoromethanesulfonimide lithium salt) (S-KB-LiTFSI) composite is constructed by introducing LiTFSI into the S-KB composite. The initial discharge capacity reaches up to 1483 mA h g
    Language English
    Publishing date 2024-03-07
    Publishing country United States
    Document type Journal Article
    ISSN 1936-086X
    ISSN (online) 1936-086X
    DOI 10.1021/acsnano.4c00267
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Dendrite-Free Li

    Du, Limao / Wu, Zhan / Pang, Bo / Yang, Tianqi / Zhang, Haiyuan / Song, Wenlong / Xia, Yang / Huang, Hui / He, Xinping / Fang, Ruyi / Zhang, Wenkui / Zhang, Jun

    ACS applied materials & interfaces

    2024  

    Abstract: Sulfide-based all-solid-state lithium batteries (ASSLBs) have attracted unprecedented attention in the past decade due to their excellent safety performance and high energy storage density. However, the sulfide solid-state electrolytes (SSEs) as the core ...

    Abstract Sulfide-based all-solid-state lithium batteries (ASSLBs) have attracted unprecedented attention in the past decade due to their excellent safety performance and high energy storage density. However, the sulfide solid-state electrolytes (SSEs) as the core component of ASSLBs have a certain stiffness, which inevitably leads to the formation of pores and cracks during the production process. In addition, although sulfide SSEs have high ionic conductivity, the electrolytes are unstable to lithium metal and have non-negligible electronic conductivity, which severely limits their practical applications. Herein, a grain boundary electronic insulation strategy through in situ polymer encapsulation is proposed for this purpose. A polymer layer with insulating properties is applied to the surface of the Li
    Language English
    Publishing date 2024-05-09
    Publishing country United States
    Document type Journal Article
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.4c04393
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: LiF-Rich Interfacial Protective Layer Enables Air-Stable Lithium Metal Anodes for Dendrite-Free Lithium Metal Batteries.

    Han, Yiyao / Fang, Ruyi / Lu, Chengwei / Wang, Kun / Zhang, Jun / Xia, Xinhui / He, Xinping / Gan, Yongping / Huang, Hui / Zhang, Wenkui / Xia, Yang

    ACS applied materials & interfaces

    2023  Volume 15, Issue 26, Page(s) 31543–31551

    Abstract: Lithium (Li) metal is considered as a promising anode candidate for high-energy-density batteries. However, the high reactivity of Li metal leads to poor air stability, limiting its practical application. Additionally, the interfacial instability, such ... ...

    Abstract Lithium (Li) metal is considered as a promising anode candidate for high-energy-density batteries. However, the high reactivity of Li metal leads to poor air stability, limiting its practical application. Additionally, the interfacial instability, such as dendrite growth and an unstable solid electrolyte interphase layer, further complicates its utilization. Herein, a dense lithium fluoride (LiF)-rich interfacial protective layer is constructed on the Li surface through a simple reaction between Li and fluoroethylene carbonate (denoted as LiF@Li). The LiF-rich interfacial protective layer consists of both organic (ROCO
    Language English
    Publishing date 2023-06-21
    Publishing country United States
    Document type Journal Article
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.3c06007
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Li

    Fang, Ruyi / Xu, Biyi / Grundish, Nicholas S / Xia, Yang / Li, Yutao / Lu, Chengwei / Liu, Yijie / Wu, Nan / Goodenough, John B

    Angewandte Chemie (International ed. in English)

    2021  Volume 60, Issue 32, Page(s) 17701–17706

    Abstract: The integration of ... ...

    Abstract The integration of Li
    Language English
    Publishing date 2021-06-30
    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.202106039
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Facile and efficient synthesis of Li2Se particles towards high-areal capacity Li2Se cathode for advanced Li–Se battery

    Lu, Chengwei / Zhang, Wenkui / Fang, Ruyi / Xiao, Zhen / Huang, Hui / Gan, Yongping / Zhang, Jun / He, Xinping / Liang, Chu / Zhu, Dongmin / Xia, Yang

    Sustainable materials and technologies. 2021 Sept., v. 29

    2021  

    Abstract: Lithium‑selenium (Li–Se) batteries are considered as promising candidates for the next generation battery technology due to their high volumetric energy density and low cost. Compared with Se cathode in Li–Se batteries, Li₂Se cathode can not only ... ...

    Abstract Lithium‑selenium (Li–Se) batteries are considered as promising candidates for the next generation battery technology due to their high volumetric energy density and low cost. Compared with Se cathode in Li–Se batteries, Li₂Se cathode can not only alleviate the negative effect of volume expansion in the cycle process, but also avoid utilizing lithium foil as the anode. However, Li₂Se has received little coverage due to its high cost and difficulty in production. Herein, two facile synthesis routes, including ball milling and direct heating, are successfully developed to produce pure Li₂Se particles by reacting LiH powers with Se powers (2LiH + Se = Li₂Se + H₂↑). The microstructure of Li₂Se particles is investigated by cryogenic transmission electron microscopy (cryo-TEM) technology for the first time. The Li₂Se cathode with layer-by-layer structure exhibits superior electrochemical performance at high loading (698 mA h g⁻¹@50 mA g⁻¹@10.6 mg cm⁻²; 333 mA h g⁻¹@1000 mA g⁻¹@7.1 mg cm⁻²), attributed to the high polyselenides-trapping and reutilization capability of active layer as well as the excellent polyselenides-interception and high conductivity of barrier layers. This innovative synthesis strategy of Li₂Se and the intriguing design of cathodic structure are highly expected to promote the practical implementation of the safer high energy-density Li–Se batteries.
    Keywords anodes ; batteries ; cathodes ; electrochemistry ; energy density ; foil ; heat ; lithium ; microstructure ; transmission electron microscopy
    Language English
    Dates of publication 2021-09
    Publishing place Elsevier B.V.
    Document type Article
    Note NAL-AP-2-clean
    ISSN 2214-9937
    DOI 10.1016/j.susmat.2021.e00288
    Database NAL-Catalogue (AGRICOLA)

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  10. Article ; Online: Stable Anode-Free All-Solid-State Lithium Battery through Tuned Metal Wetting on the Copper Current Collector.

    Wang, Yixian / Liu, Yijie / Nguyen, Mai / Cho, Jaeyoung / Katyal, Naman / Vishnugopi, Bairav S / Hao, Hongchang / Fang, Ruyi / Wu, Nan / Liu, Pengcheng / Mukherjee, Partha P / Nanda, Jagjit / Henkelman, Graeme / Watt, John / Mitlin, David

    Advanced materials (Deerfield Beach, Fla.)

    2022  Volume 35, Issue 8, Page(s) e2206762

    Abstract: A stable anode-free all-solid-state battery (AF-ASSB) with sulfide-based solid-electrolyte (SE) (argyrodite ... ...

    Abstract A stable anode-free all-solid-state battery (AF-ASSB) with sulfide-based solid-electrolyte (SE) (argyrodite Li
    Language English
    Publishing date 2022-12-26
    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.202206762
    Database MEDical Literature Analysis and Retrieval System OnLINE

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