Patent analysis of "electrode/electrolyte" interface technology for lithium-ion battery
Received:November 08, 2024   Revised:November 20, 2024   Accepted:November 22, 2024      Published Online:January 21, 2025
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KeyWord:lithium ion batteries; cathode; anode; electrolyte; interface; patent analysis
           
AuthorInstitution
WU LIANG CE BGRIMN Technology Group
WANG SHAN The Patent Examination CooperationBeijing Center of the Patent Office, CNIPA
GAO DONG LI BGRIMN Technology Group
LIU YA FEI BGRIMN Technology Group
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Abstract:
      With the wide application of lithium-ion batteries (LIBs) in electric vehicles and energy storage systems, how to prevent the deterioration of the electrochemical performance of lithium-ion batteries has become a research hotspot. The research shows that the high quality interfaces between electrode and electrolyte are important means to reduce side reactions, improve electrochemical reversibility and cycle performance. In this paper, the global patents in the field of LIB "electrode/electrolyte" interface technologies are taken as the research objects. By using patent data mining method, the global patent application trend and growth rate, geographical distribution & flow, applicants, different technology branches are analyzed. Finally, suggestions were put forward to pay attention to weak technology branch research, carry out technological cooperation and overseas patent protection.
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