Patent technology analysis of sodium iron sulfate cathode materials for sodium-ion batteries
ZHU Biyu
WANG Shaohua
HU Yanling
Abstract：Sulfate-based polyanion-type cathode materials are considered as one of the most prom-ising cathode materials for sodium-ion batteries due to their electronegativity,working voltage,and cost in the future.This article first discusses the global patent application tendency of sodium iron sulfate cathode materials for sodium-ion batteries.Then,it analyzes the top ten applicants of application quantity concerning sodium iron sulfate cathode materials for sodium-ion batteries,and focuses on summarizing and analyzing the global patent technology progress from six aspects.And conclusions and suggestions are given in order to improve patents layout and strengthen the protection of overseas patents.
Keywords：sodium-ion batteriescathode materialssodium iron sulfatepatents
Publication Date：2024-08-25
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：7( 206-211,220 )