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Polyethylene Glycol (Peg)-Assisted Synthesis of Self-Assembled Cactus-Like Nh4v3o8 for Lithium Ion Battery Cathode

19 Pages Posted: 5 Mar 2020 Publication Status: Accepted

See all articles by Lingjiang Kou

Lingjiang Kou

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Liyun Cao

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Jianfeng Huang

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Liangliang Feng

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Yong Wang

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Jiajia Song

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Shaoyi Chen

Dingxin Cells Co. LTD.

Koji Kajiyoshi

Kochi University - Research Laboratory of Hydrothermal Chemistry

Abstract

Self-assembled cactus-like NH4V3O8 is prepared through polyethylene glycol (PEG)-assisted hydrothermal synthesis method. The samples are characterized by X-ray diffraction and scanning electron microscopy techniques. Adjusting the pH value of the solution can effectively control the morphology of NH4V3O8. The electrochemical measurements indicate that the sample which pH value is 3.7, shows the best cycling performance. It delivers an initial discharge capacity is 228 mAh g-1 and maintains at 156 mAh g-1 under 15 mA g-1 after 50 cycles. The proposed synthetic method can also be developed to address other electrode materials with inferior electronic conductivity and lithium ion diffusion.

Keywords: Polyethylene glycol, assisted synthesis, NH4V3O8, cathode material, lithium ion battery

Suggested Citation

Kou, Lingjiang and Cao, Liyun and Huang, Jianfeng and Feng, Liangliang and Wang, Yong and Song, Jiajia and Chen, Shaoyi and Kajiyoshi, Koji, Polyethylene Glycol (Peg)-Assisted Synthesis of Self-Assembled Cactus-Like Nh4v3o8 for Lithium Ion Battery Cathode. Available at SSRN: https://ssrn.com/abstract=3546578 or http://dx.doi.org/10.2139/ssrn.3546578

Lingjiang Kou (Contact Author)

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Xi’an
China

Liyun Cao

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials ( email )

Xi’an
China

Jianfeng Huang

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Xi’an
China

Liangliang Feng

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Xi’an
China

Yong Wang

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Xi’an
China

Jiajia Song

Shaanxi University of Science and Technology - Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials

Xi’an
China

Shaoyi Chen

Dingxin Cells Co. LTD.

Nantong
China

Koji Kajiyoshi

Kochi University - Research Laboratory of Hydrothermal Chemistry ( email )

Kochi, 780-8081
Japan

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