JP2018181553A5 - - Google Patents
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- JP2018181553A5 JP2018181553A5 JP2017077858A JP2017077858A JP2018181553A5 JP 2018181553 A5 JP2018181553 A5 JP 2018181553A5 JP 2017077858 A JP2017077858 A JP 2017077858A JP 2017077858 A JP2017077858 A JP 2017077858A JP 2018181553 A5 JP2018181553 A5 JP 2018181553A5
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- positive electrode
- composition formula
- active material
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- 239000007774 positive electrode material Substances 0.000 claims 6
- 229910052782 aluminium Inorganic materials 0.000 claims 3
- 229910052790 beryllium Inorganic materials 0.000 claims 3
- 229910052791 calcium Inorganic materials 0.000 claims 3
- 229910052749 magnesium Inorganic materials 0.000 claims 3
- 229910052706 scandium Inorganic materials 0.000 claims 3
- 229910052712 strontium Inorganic materials 0.000 claims 3
- 229910052719 titanium Inorganic materials 0.000 claims 3
- 229910052727 yttrium Inorganic materials 0.000 claims 3
- 229910052726 zirconium Inorganic materials 0.000 claims 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims 2
- 229910001416 lithium ion Inorganic materials 0.000 claims 2
Claims (6)
Ｌｉ１＋ｘＮｂｙＦｅａＭｎｂＡｃＯ２―ｄＦｄ （１）
ＡはＢｅ、Ｍｇ、Ｃａ、Ｓｒ、Ｂａ、Ｒａ、Ｓｃ、Ｙ、Ｔｉ、Ｚｒ、Ａｌから選択され、
ｘは、０＜ｘ＜１を満足し、
ｙは、０＜ｙ＜０．５を満足し、
ａ及びｂは、０．２５≦ａ＋ｂ＜１、０≦ａ＜１、０≦ｂ＜１を満足し、
ｃは、０≦ｃ≦０．２を満足し、
ｄは、０≦ｄ≦０．２を満足し、
ｙ、ａ及びｂは、０．８≦２ｙ＋ａ＋ｂ≦１．２を満足し、
ただし、ｃ及びｄは同時に０ではないことを特徴とする正極活物質。 It is represented by the following composition formula (1) ,
Li 1 + x Nb y Fe a Mn b A c O 2-d F d (1)
A is selected from Be, Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Al ,
x satisfies 0 <x <1 and
y satisfies 0 <y <0.5 ,
a and b satisfy 0.25 ≦ a + b <1, 0 ≦ a <1, 0 ≦ b <1 .
c satisfies 0 ≦ c ≦ 0.2 ,
d satisfies 0 ≦ d ≦ 0.2 ,
y, a and b satisfy 0.8 ≦ 2y + a + b ≦ 1.2,
However, the positive electrode active material, characterized in that c and d are not 0 at the same time.
Ｌｉ１＋ｘＮｂｙＦｅａＭｎｂＡｃＯ２ （１−１）
ＡはＢｅ、Ｍｇ、Ｃａ、Ｓｒ、Ｂａ、Ｒａ、Ｓｃ、Ｙ、Ｔｉ、Ｚｒ、Ａｌから選択され、
ｘは、０＜ｘ＜１を満足し、
ｙは、０＜ｙ＜０．５を満足し、
ａ及びｂは、０．２５≦ａ＋ｂ＜１、０≦ａ＜１、０≦ｂ＜１を満足し、
ｃは、０＜ｃ≦０．２を満足し、
ｙ、ａ及びｂは、０．８≦２ｙ＋ａ＋ｂ≦１．２を満足する請求項１に記載の正極活物質。 The composition formula (1) is represented by the following composition formula (1-1) :
Li 1 + x Nb y Fe a Mn b A c O 2 (1-1)
A is selected from Be, Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Al ,
x satisfies 0 <x <1 and
y satisfies 0 <y <0.5 ,
a and b satisfy 0.25 ≦ a + b <1, 0 ≦ a <1, 0 ≦ b <1 .
c satisfies 0 <c ≦ 0.2 ,
The positive electrode active material according to claim 1 , wherein y, a and b satisfy 0.8 ≦ 2 y + a + b ≦ 1.2 .
Ｌｉ１＋ｘＮｂｙＦｅａＭｎｂＯ２―ｄＦｄ （１−２）
ｘは、０＜ｘ＜１を満足し、
ｙは、０＜ｙ＜０．５を満足し、
ａ及びｂは、０．２５≦ａ＋ｂ＜１、０≦ａ＜１、０≦ｂ＜１を満足し、
ｄは、０＜ｄ≦０．２を満足し、
ｙ、ａ及びｂは、０．８≦２ｙ＋ａ＋ｂ≦１．２を満足する請求項１に記載の正極活物質。 The composition formula (1) is represented by the following composition formula (1-2) :
Li 1 + x Nb y Fe a Mn b O 2-d F d (1-2)
x satisfies 0 <x <1 and
y satisfies 0 <y <0.5 ,
a and b satisfy 0.25 ≦ a + b <1, 0 ≦ a <1, 0 ≦ b <1 .
d satisfies 0 <d ≦ 0.2 ,
The positive electrode active material according to claim 1 , wherein y, a and b satisfy 0.8 ≦ 2 y + a + b ≦ 1.2 .
Ｌｉ１＋ｘＮｂｙＦｅａＭｎｂＡｃＯ２―ｄＦｄ （１−３）
ＡはＢｅ、Ｍｇ、Ｃａ、Ｓｒ、Ｂａ、Ｒａ、Ｓｃ、Ｙ、Ｔｉ、Ｚｒ、Ａｌから選択され、
ｘは、０＜ｘ＜１を満足し、
ｙは、０＜ｙ＜０．５を満足し、
ａ及びｂは、０．２５≦ａ＋ｂ＜１、０≦ａ＜１、０≦ｂ＜１を満足し、
ｃは、０＜ｃ≦０．２を満足し、
ｄは、０＜ｄ≦０．２を満足し、
ｙ、ａ及びｂは、０．８≦２ｙ＋ａ＋ｂ≦１．２を満足する請求項１に記載の正極活物質。 The composition formula (1) is represented by the following composition formula (1-3) :
Li 1 + x Nb y Fe a Mn b A c O 2-d F d (1-3)
A is selected from Be, Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Al ,
x satisfies 0 <x <1 and
y satisfies 0 <y <0.5 ,
a and b satisfy 0.25 ≦ a + b <1, 0 ≦ a <1, 0 ≦ b <1 .
c satisfies 0 <c ≦ 0.2 ,
d satisfies 0 <d ≦ 0.2 ,
The positive electrode active material according to claim 1 , wherein y, a and b satisfy 0.8 ≦ 2 y + a + b ≦ 1.2 .
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017077858A JP2018181553A (en) | 2017-04-10 | 2017-04-10 | Cathode active material |
| PCT/JP2018/009219 WO2018190048A1 (en) | 2017-04-10 | 2018-03-09 | Positive electrode active material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017077858A JP2018181553A (en) | 2017-04-10 | 2017-04-10 | Cathode active material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2018181553A JP2018181553A (en) | 2018-11-15 |
| JP2018181553A5 true JP2018181553A5 (en) | 2019-05-23 |
Family
ID=63793720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017077858A Withdrawn JP2018181553A (en) | 2017-04-10 | 2017-04-10 | Cathode active material |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2018181553A (en) |
| WO (1) | WO2018190048A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023188578A1 (en) * | 2022-03-31 | 2023-10-05 | パナソニックＩｐマネジメント株式会社 | Positive electrode active material for nonaqueous electrolyte secondary batteries |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000133265A (en) * | 1998-10-28 | 2000-05-12 | Mitsubishi Materials Corp | Positive active material of lithium secondary battery and manufacture of same |
| JP2001126729A (en) * | 1999-10-28 | 2001-05-11 | Toshiba Corp | Nonaqueous electrolytic secondary cell |
| JP5958926B2 (en) * | 2011-11-08 | 2016-08-02 | 国立研究開発法人産業技術総合研究所 | Lithium manganese composite oxide and method for producing the same |
| CN105122515B (en) * | 2013-03-27 | 2017-05-03 | 株式会社杰士汤浅国际 | Active material for nonaqueous electrolyte electricity storage elements |
| US10280092B2 (en) * | 2016-07-28 | 2019-05-07 | Wildcat Discovery Technologies, Inc | Oxides for high energy cathode materials |
-
2017
- 2017-04-10 JP JP2017077858A patent/JP2018181553A/en not_active Withdrawn
-
2018
- 2018-03-09 WO PCT/JP2018/009219 patent/WO2018190048A1/en active Application Filing
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