Regeneration of Metal Sulfides in the Delithiation Process: The Key to Cyclic Stability | Zendy

Li Xiaomin | Zendy; Zai Jiantao | Zendy; Xiang Shijie | Zendy; Liu Yuanyuan | Zendy; He Xiaobo | Zendy; Xu Zheying | Zendy; Wang Kaixue | Zendy; Ma Zifeng | Zendy; Qian Xuefeng | Zendy

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Regeneration of Metal Sulfides in the Delithiation Process: The Key to Cyclic Stability

Author(s) -

Li Xiaomin,

Zai Jiantao,

Xiang Shijie,

Liu Yuanyuan,

He Xiaobo,

Xu Zheying,

Wang Kaixue,

Ma Zifeng,

Qian Xuefeng

Publication year - 2016

Publication title -

advanced energy materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.08

H-Index - 220

eISSN - 1614-6840

pISSN - 1614-6832

DOI - 10.1002/aenm.201601056

Subject(s) - graphene , materials science , key (lock) , lithium (medication) , nanocomposite , diffusion , process (computing) , nanotechnology , service (business) , metal , computer science , metallurgy , business , thermodynamics , computer security , medicine , physics , marketing , endocrinology , operating system

The regeneration of metal sulfides during the delithiation process is the key to achieving cyclic stability in electrode materials. A graphene‐supported peony‐like MoS 2 nanocomposite with a long cycle life and a high rate capability is designed for this purpose. The synergistic effects of the MoS 2 hierarchical structure and graphene can effectively improve the lithium diffusion dynamics and conductivity, thus greatly suppressing the oxidation of Li 2 S to polysulfides by improving the reversibility of the conversion reaction.

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