Energy Storage Science and Technology ›› 2021, Vol. 10 ›› Issue (3): 1196-1205.doi: 10.19799/j.cnki.2095-4239.2020.0425

• Technical Economic Analysis of Energy Storage • Previous Articles     Next Articles

Knowledge mapping analysis of lithium secondary batteries research based on bibliometrics

Liping CHEN1(), Jinkui FENG2, Yuan TIAN2, Yongling AN2, Guangjun DONG1   

  1. 1.Shandong University Scientific Journals Press, Ji'nan 250100, Shandong, China
    2.School of Materials Science & Engineering, Shandong University, Ji'nan 250061, Shandong, China
  • Received:2020-12-31 Revised:2021-01-11 Online:2021-05-05 Published:2021-04-30
  • Contact: Liping CHEN E-mail:lpchen@sdu.edu.cn

Abstract:

Based on the core collection database of Web of Science, the research about lithium secondary batteries was visually analyzed by the software Cite Space. The results showed that the research history of lithium secondary batteries can be divided into three stages, namely, the initial, steady growth, and rapid growth stages. The main research force changed constantly in Japan, the USA, China, France, and South Korea. More countries are joining this research, and countries are collaborating more closely. For the synthesis of battery materials with a high energy density and safety performance, the exploration of new electrode materials and technologies for structural performance optimization is an important research topic. The studies on electrodes for lithium secondary batteries are focused on layered oxides, spinel, and polyanionic materials for cathodes, and carbon, silicon for anodes and solid-state electrolyte. The selection of positive-electrode doping elements, the combination of novel technologies (such as nanometer and porous, among others), and emerging high-performance materials are important development directions for lithium secondary batteries.

Key words: lithium secondary batteries, visual analysis, bibliometrics, Cite Space, research progress

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