JP2019102247A5 - - Google Patents
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- JP2019102247A5 JP2019102247A5 JP2017231209A JP2017231209A JP2019102247A5 JP 2019102247 A5 JP2019102247 A5 JP 2019102247A5 JP 2017231209 A JP2017231209 A JP 2017231209A JP 2017231209 A JP2017231209 A JP 2017231209A JP 2019102247 A5 JP2019102247 A5 JP 2019102247A5
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- JP
- Japan
- Prior art keywords
- positive electrode
- active material
- secondary battery
- electrode active
- general formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Description
すなわち、本発明は、例えば、以下の項に記載の主題を包含する。
項１
下記一般式（１）
ＫａＭｂ（ＰＯ４）ｃＦｄ （１）
（式（１）中、Ｍは、Ｃｕ、Ｃｒ、Ｆｅ、Ｍｎ、Ｃｏ及びＮｉからなる群より選ばれる少なくとも１種の金属を示し、０．５≦ａ≦４、０．５≦ｂ≦５、０．５≦ｃ≦６、０≦ｄ≦３であり、ｄ＝０の場合はＦを有していないことを意味する）
で表される化合物を含む、カリウムイオン二次電池用正極活物質。
項２
前記一般式（１）において、
０．５≦ａ≦１．５、
０．５≦ｂ≦１．５、
ｃ＝１、及び、
ｄ＝０である、項１に記載のカリウムイオン二次電池用正極活物質。
項３
前記一般式（１）において、
２．５≦ａ≦３．５、
１．５≦ｂ≦２．５、
ｃ＝３、及び、
ｄ＝０である、項１に記載のカリウムイオン二次電池用正極活物質。
項４
前記一般式（１）において、
０．５≦ａ≦１．５、
３．５≦ｂ≦４．５、
ｃ＝３、及び、
ｄ＝０である、項１に記載のカリウムイオン二次電池用正極活物質。
項５
前記一般式（１）において、
０．５≦ａ≦１．５、
０．５≦ｂ≦１．５、
ｃ＝１、及び、
０．５≦ｄ≦１．５である、項１に記載のカリウムイオン二次電池用正極活物質。
項６
前記一般式（１）において、
１．５≦ａ≦２．５、
０．５≦ｂ≦１．５、
ｃ＝１、及び、
０．５≦ｄ≦１．５である、項１に記載のカリウムイオン二次電池用正極活物質。
項７
項１〜６のいずれか１項に記載の正極活物質を構成要素とする二次電池。
That is, the present invention includes, for example, the subjects described in the following sections.
Item 1
The following general formula (1)
K a M b (PO 4 ) c F d (1)
(In the formula (1), M represents at least one metal selected from the group consisting of Cu, Cr, Fe, Mn, Co and Ni, 0.5 ≦ a ≦ 4, 0.5 ≦ b ≦ 5. , 0.5 ≦ c ≦ 6, 0 ≦ d ≦ 3, and when d = 0, it means that F is not provided.)
A positive electrode active material for a potassium ion secondary battery containing a compound represented by.
Item 2
In the general formula (1)
0.5 ≤ a ≤ 1.5,
0.5 ≤ b ≤ 1.5,
c = 1 and
Item 2. The positive electrode active material for a potassium ion secondary battery, wherein d = 0.
Item 3
In the general formula (1)
2.5 ≤ a ≤ 3.5,
1.5 ≤ b ≤ 2.5,
c = 3 and
Item 2. The positive electrode active material for a potassium ion secondary battery, wherein d = 0.
Item 4
In the general formula (1)
0.5 ≤ a ≤ 1.5,
3.5 ≤ b ≤ 4.5 ,
c = 3 and
Item 2. The positive electrode active material for a potassium ion secondary battery, wherein d = 0.
Item 5
In the general formula (1)
0.5 ≤ a ≤ 1.5,
0.5 ≤ b ≤ 1.5,
c = 1 and
Item 2. The positive electrode active material for a potassium ion secondary battery according to Item 1, wherein 0.5 ≦ d ≦ 1.5.
Item 6
In the general formula (1)
1.5 ≤ a ≤ 2.5,
0.5 ≤ b ≤ 1.5,
c = 1 and
Item 2. The positive electrode active material for a potassium ion secondary battery according to Item 1, wherein 0.5 ≦ d ≦ 1.5.
Item 7
A secondary battery comprising the positive electrode active material according to any one of Items 1 to 6 as a constituent element.
Claims (7)
ＫａＭｂ（ＰＯ４）ｃＦｄ （１）
（式（１）中、Ｍは、Ｃｕ、Ｃｒ、Ｆｅ、Ｍｎ、Ｃｏ及びＮｉからなる群より選ばれる少なくとも１種の金属を示し、０．５≦ａ≦４、０．５≦ｂ≦５、０．５≦ｃ≦６、０≦ｄ≦３であり、ｄ＝０の場合はＦを有していないことを意味する）
で表される化合物を含む、カリウムイオン二次電池用正極活物質。 The following general formula (1)
K a M b (PO 4 ) c F d (1)
(In the formula (1), M represents at least one metal selected from the group consisting of Cu, Cr, Fe, Mn, Co and Ni, 0.5 ≦ a ≦ 4, 0.5 ≦ b ≦ 5. , 0.5 ≦ c ≦ 6, 0 ≦ d ≦ 3, and when d = 0, it means that F is not provided.)
A positive electrode active material for a potassium ion secondary battery containing a compound represented by.
０．５≦ａ≦１．５、
０．５≦ｂ≦１．５、
ｃ＝１、及び、
ｄ＝０である、請求項１に記載のカリウムイオン二次電池用正極活物質。 In the general formula (1)
0.5 ≤ a ≤ 1.5,
0.5 ≤ b ≤ 1.5,
c = 1 and
The positive electrode active material for a potassium ion secondary battery according to claim 1, wherein d = 0.
２．５≦ａ≦３．５、
１．５≦ｂ≦２．５、
ｃ＝３、及び、
ｄ＝０である、請求項１に記載のカリウムイオン二次電池用正極活物質。 In the general formula (1)
2.5 ≤ a ≤ 3.5,
1.5 ≤ b ≤ 2.5,
c = 3 and
The positive electrode active material for a potassium ion secondary battery according to claim 1, wherein d = 0.
０．５≦ａ≦１．５、
３．５≦ｂ≦４．５、
ｃ＝３、及び、
ｄ＝０である、請求項１に記載のカリウムイオン二次電池用正極活物質。 In the general formula (1)
0.5 ≤ a ≤ 1.5,
3.5 ≤ b ≤ 4.5 ,
c = 3 and
The positive electrode active material for a potassium ion secondary battery according to claim 1, wherein d = 0.
０．５≦ａ≦１．５、
０．５≦ｂ≦１．５、
ｃ＝１、及び、
０．５≦ｄ≦１．５である、請求項１に記載のカリウムイオン二次電池用正極活物質。 In the general formula (1)
0.5 ≤ a ≤ 1.5,
0.5 ≤ b ≤ 1.5,
c = 1 and
The positive electrode active material for a potassium ion secondary battery according to claim 1, wherein 0.5 ≦ d ≦ 1.5.
１．５≦ａ≦２．５、
０．５≦ｂ≦１．５、
ｃ＝１、及び、
０．５≦ｄ≦１．５である、請求項１に記載のカリウムイオン二次電池用正極活物質。 In the general formula (1)
1.5 ≤ a ≤ 2.5,
0.5 ≤ b ≤ 1.5,
c = 1 and
The positive electrode active material for a potassium ion secondary battery according to claim 1, wherein 0.5 ≦ d ≦ 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017231209A JP7255831B2 (en) | 2017-11-30 | 2017-11-30 | Positive electrode active material for potassium ion secondary battery and secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017231209A JP7255831B2 (en) | 2017-11-30 | 2017-11-30 | Positive electrode active material for potassium ion secondary battery and secondary battery |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019102247A JP2019102247A (en) | 2019-06-24 |
| JP2019102247A5 true JP2019102247A5 (en) | 2020-10-08 |
| JP7255831B2 JP7255831B2 (en) | 2023-04-11 |
Family
ID=66973916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017231209A Active JP7255831B2 (en) | 2017-11-30 | 2017-11-30 | Positive electrode active material for potassium ion secondary battery and secondary battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7255831B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828820B (en) * | 2019-10-31 | 2020-12-29 | 北京科技大学 | Positive electrode material of potassium ion battery and preparation method thereof |
| JP6947259B1 (en) * | 2020-08-20 | 2021-10-13 | 住友大阪セメント株式会社 | Positive electrode material for alkali metal ion batteries, positive electrode and alkali metal ion batteries |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6077347B2 (en) | 2012-04-10 | 2017-02-08 | 株式会社半導体エネルギー研究所 | Method for producing positive electrode for non-aqueous secondary battery |
| JP6683370B2 (en) | 2014-10-15 | 2020-04-22 | 学校法人東京理科大学 | Negative electrode for potassium ion secondary battery or negative electrode for potassium ion capacitor, potassium ion secondary battery or potassium ion capacitor and binder for negative electrode of potassium ion secondary battery or negative electrode of potassium ion capacitor |
| KR102644157B1 (en) | 2015-09-14 | 2024-03-07 | 나노텍 인스트러먼츠, 인코포레이티드 | Alkali metal or alkaline-ion cells with high volumetric and gravimetric energy densities |
| JP7034471B2 (en) | 2015-12-07 | 2022-03-14 | 国立研究開発法人産業技術総合研究所 | Potassium compound and positive electrode active material for potassium ion secondary battery containing it |
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2017
- 2017-11-30 JP JP2017231209A patent/JP7255831B2/en active Active
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