Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yorikazu Yoshida0
Kazuki Ise0
Norio Takami0
Yasuhiro Harada0
Hiroki Inagaki0
Date of Patent
August 21, 2018
Patent Application Number
14489716
Date Filed
September 18, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
According to one embodiment, there is provided an active substance. The active substance includes particles of niobium titanium composite oxide and a phase including a carbon material. The niobium titanium composite oxide is represented by Ti1−xM1xNb2−yM2yO7. The phase is formed on at least a part of the surface of the particles. The carbon material shows, in a Raman chart obtained by Raman spectrometry, a G band observed at from 1530 to 1630 cm−1 and a D band observed at from 1280 to 1380 cm−1. A ratio IG/ID between a peak intensity IG of the G band and a peak intensity ID of the D band is from 0.8 to 1.2.
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