Spinel Ni-ferrite advanced high-capacity anode for Li-ion batteries prepared via coprecipitation route
- Authors
- Thieu, Quang Quoc Viet; Kidanu, Weldejewergis Gebrewahid; Nguyen, Hong Diem; Nguyen, Truc Linh Thi; Le, My Loan Phung; Nguyen, Van Hoang; Nguyen, Dinh Quan; Tran, Nhung Thi; Nguyen, Xuan Vien; Kim, Il Tae; Nguyen, Tuan Loi
- Issue Date
- Nov-2022
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Lithium -ion batteries; Ni-ferrite; Nanostructure materials; Co -precipitation; Crystalline structure; Spinel materials
- Citation
- CERAMICS INTERNATIONAL, v.48, no.21, pp.31470 - 31477
- Journal Title
- CERAMICS INTERNATIONAL
- Volume
- 48
- Number
- 21
- Start Page
- 31470
- End Page
- 31477
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/86012
- DOI
- 10.1016/j.ceramint.2022.07.066
- ISSN
- 0272-8842
- Abstract
- A nanostructured Ni-ferrite material, NiFe2O4, was successfully synthesized via facile co-precipitation in hot water, followed by an annealing process. The developed Ni-ferrite was face-centered cubic, highly crystalline, and nano-sized. The Ni-ferrite anode revealed superior electrochemical properties for Li-ion batteries, such as high reversible capacity and long cyclability, without significant capacity fading. Specifically, this anode exhibited reversible capacities of 926 and 1586 mAh g-1 at the 1st and 150th cycles at 0.1 A g-1, respectively. The superior electrochemical performance was attributed to the size and unique properties of the Ni-ferrite spinel. Nano-sized materials were beneficial for creating a large contact area between the electrode and electrolyte, increasing diffusion rates of lithium ions, resulting in enhanced pseudo-behavior. The properties of spinel structure and the presence of Fe and Ni metals during charge/discharge in Ni-ferrite prevented the destruction of the anode and catalyzed the decomposition of the Li2O phase, leading to extraordinary highly-reversible Li storage.
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