VO2B Zn ion secondary battery having VO2B particles as electrode active material

摘要

It provides a zinc ion secondary battery. The zinc ion secondary battery includes a positive electrode including VO ₂ (B) particles as an electrode active material. The VO ₂ (B) particles have a crystal structure of VO ₆ octahedrons, and the VO ₆ octahedrons form a tunnel while sharing corners or edges. A negative electrode containing a negative electrode active material into which zinc ions can be deinserted is disposed. An electrolyte is disposed between the positive electrode and the negative electrode.