Manganese/nickel composite oxide particles and process for producing the manganese nickel composite oxide particles, positive electrode active substance particles for non-aqueous electrolyte secondary batteries and process for producing the positive electrode active substance particles, and non-aqueous electrolyte secondary battery
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United States of America Patent
Stats
-
Jul 27, 2021
Grant Date -
Dec 6, 2018
app pub date -
Aug 8, 2018
filing date -
Mar 31, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides a precursor of positive electrode active substance particles for non-aqueous electrolyte secondary batteries which have a high discharge voltage and a high discharge capacity, hardly suffer from side reactions with an electrolyte solution, and are excellent in cycle characteristics, positive electrode active substance particles for non-aqueous electrolyte secondary batteries, and processes for producing these particles, and a non-aqueous electrolyte secondary battery. The present invention relates to positive electrode active substance particles for non-aqueous electrolyte secondary batteries having a spinel structure with a composition represented by the following chemical formula (1), in which the positive electrode active substance particles satisfy the following characteristic (A) and/or characteristic (B) when indexed with Fd-3m in X-ray diffraction thereof: (A) when indexed with Fd-3m in X-ray diffraction of the positive electrode active substance particles, a ratio of I(311) to I(111) [I(311)/I(111)] is in the range of 35 to 43%, and/or (B) when indexed with Fd-3m in X-ray diffraction of the positive electrode active substance particles, a gradient of a straight line determined by a least square method in a graph prepared by plotting sin θ in an abscissa thereof and B cos θ in an ordinate thereof wherein B is a full-width at half maximum with respect to each peak position 2θ (10 to 90°) is in the range of 3.0×10−4 to 20.0×10−4; and
wherein x, y, z fall within the range of −0.05·x·0.15, 0.4·y·0.6 and 0·z·0.20, respectively; and M is at least one element selected from the group consisting of Mg, Al, Si, Ca, Ti, Co, Zn, Sb, Ba, W and Bi.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
TODA KOGYO CORPORATION | HIROSHIMA 732-0828 |
International Classification(s)

- 2018 Application Filing Year
- H01M Class
- 7179 Applications Filed
- 5173 Patents Issued To-Date
- 72.06 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kajiyama, Akihisa | Sanyo Onoda, JP | 26 | 171 |
# of filed Patents : 26 Total Citations : 171 | |||
Koga, Kazumichi | Sanyo Onoda, JP | 21 | 142 |
# of filed Patents : 21 Total Citations : 142 | |||
Masaki, Ryuta | Sanyo Onoda, JP | 12 | 78 |
# of filed Patents : 12 Total Citations : 78 | |||
Masukuni, Hiroaki | Sanyo Onoda, JP | 12 | 73 |
# of filed Patents : 12 Total Citations : 73 | |||
Matsumoto, Kazutoshi | Sanyo Onoda, JP | 32 | 310 |
# of filed Patents : 32 Total Citations : 310 | |||
Morita, Daisuke | Sanyo Onoda, JP | 55 | 314 |
# of filed Patents : 55 Total Citations : 314 | |||
Sadamura, Hideaki | Sanyo Onoda, JP | 35 | 381 |
# of filed Patents : 35 Total Citations : 381 | |||
Watanabe, Hiroyasu | Kitakyushu, JP | 21 | 139 |
# of filed Patents : 21 Total Citations : 139 | |||
Yamamoto, Manabu | Sanyo Onoda, JP | 149 | 1421 |
# of filed Patents : 149 Total Citations : 1421 |
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Patent Citation Ranking
- 0 Citation Count
- H01M Class
- 0 % this patent is cited more than
- 4 Age
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