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    Home > Chemicals Industry > Chemical Technology > Ningbo Institute of Materials Research has made progress in high-energy-density lithium batteries

    Ningbo Institute of Materials Research has made progress in high-energy-density lithium batteries

    • Last Update: 2022-01-19
    • Source: Internet
    • Author: User
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    Lithium metal secondary batteries are an important development direction for the next generation of battery technology that breaks through the energy density of 500Wh/kg, and face greater challenges


    Researchers have conducted research on key issues such as reducing the first irreversible capacity of lithium-rich manganese-based cathode materials, voltage attenuation and oxygen evolution during cycling, and have achieved a series of results (Nature Communications, 2016, 7, 12108; ACS Applied Materials & Interfaces, 2017 , 9, 3661; Advanced Material Interfaces, 2018, 1701465; ACS Applied Materials & Interfaces, 2019, 14, 14023; Energy Storage Materials, 2019, 16, 220; Cell Reports Physical Sciences, 2020, 1, 100028; Matter, 2021, 4, 1; Energy Storage Materials, 2021, 3, 388); focus on research and development of lithium-rich manganese-based cathode material engineering technology; according to actual battery requirements (high reversible area capacity, low N/P ratio and low injection volume), In response to common problems such as serious volume expansion of metal lithium anode, unstable electrolyte/electrode interface, and short cycle life, innovative research on high-capacity and long-life metal lithium anodes has been carried out


    Researchers have also made progress in high-safety and high-voltage-resistant electrolytes and their applications in lithium-ion/lithium metal batteries (Electrochimica Acta, 2015, 151, 429; Journal of Power Sources, 2015, 278, 190; Journal of Power Sources, 2018, 391, 113-119; Electrochimica Acta, 2019, 320, 134633; Journal of Energy Chemistry, 2020, 48, 375–382.


    In order to further achieve the long-life goal of lithium metal secondary batteries, researchers have added a highly fluorinated ether solvent to the conventional carbonate-based electrolyte (1.


    6 2 2 2 2

    The research work has received the National Key R&D Program Project, National Natural Science Foundation Project, Chinese Academy of Sciences Strategic Leading Science and Technology Special Project, Chinese Academy of Sciences Science and Technology Service Network Plan (STS), Chinese Academy of Sciences International Partnership Program International Cooperation Key Project, Ningbo "Science and Technology Innovation 2025" Major Special Project China postdoctoral Science Foundation funded projects like


    430Wh/kg lithium metal secondary battery and its electrochemical performance

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