Positive electrode active material and preparation method thereof, positive electrode plate, secondary battery, battery module, battery pack, and electric apparatus
US-2024429384-A1 · Dec 26, 2024 · US
US2024124308A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2024124308-A1 |
| Application number | US-202318485372-A |
| Country | US |
| Kind code | A1 |
| Filing date | Oct 12, 2023 |
| Priority date | Oct 18, 2022 |
| Publication date | Apr 18, 2024 |
| Grant date | — |
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A compound represented by one of the formulae:BaaMobOc (1),MOdPeOf (2) orBagMohPiOj (3)wherein for formula (1) the ratio of a:b is from 1:100 to 100:1,wherein for formula (2) the ratio of d:e is from 1:100 to less than 1:1 or from greater than 1:1 to 100:1,wherein for formula (3) the ratio of g:h is from 1:100 to less than 1.5:1,wherein for formula (3) the ratio of g:i is from 1:100 to 100:1,wherein for formula (3) the ratio of h:i is from 1:100 to less than 1:2, or from greater than 1:2 to less than 2:1, or from greater than 2:1 to 100:1, andwherein the molybdenum present within the compound is in the 5+ oxidation state.
Opening claim text (preview).
1 . A compound represented by one of the formulae: Ba a Mo b O c (1), MO d P e O f (2) or Ba g Mo h P i O j (3) wherein for formula (1) the ratio of a:b is from 1:100 to 100:1, wherein for formula (2) the ratio of d:e is from 1:100 to less than 1:1 or from greater than 1:1 to 100:1, wherein for formula (3) the ratio of g:h is from 1:100 to less than 1.5:1, wherein for formula (3) the ratio of g:i is from 1:100 to 100:1, wherein for formula (3) the ratio of h:i is from 1:100 to less than 1:2, or from greater than 1:2 to less than 2:1, or from greater than 2:1 to 100:1, and wherein the molybdenum present within the compound is in the 5+ oxidation state. 2 . The compound according to claim 1 , wherein for formula (1) the ratio of a:b is from 1:50 to 50:1, preferably from 1:50 to 1:1.5 or from 1.5:1 to 50:1, more preferably from 1:40 to 1:1.8 or from 1.8:1 to 40:1, even more preferably from 1:30 to 1:2 or from 2:1 to 30:1. 3 . The compound according to claim 1 , wherein for formula (2) the ratio of d:e is from 1:50 to 0.95:1 or from 1.05:1 to 50:1, preferably the ratio of d:e is from 1:30 to 0.9:1 or from 1.1:1 to 30:1, more preferably the ratio of d:e is from 1:30 to 0.8:1 or from 1.2:1 to 30:1. 4 . The compound according to claim 1 , wherein for formula (3) the ratio of g:h is from 1:50 to 1.45:1, preferably from 1:50 to 1.4:1, more preferably from 1:40 to 1.3:1, even more preferably from 1:30 to 1.2:1. 5 . The compound according to claim 1 , wherein for formula (3) the ratio of g:i is from 1:50 to 50:1, preferably from 1:20 to 10:1, more preferably from 1:18 to 2:1, even more preferably from 1:16 to 1.5:1. 6 . The compound according to claim 1 , wherein for formula (3) the ratio of h:i is from 1:50 to 1:2.05, or from 1:1.95 to 1.95:1, or from 2.05:1 to 50:1; preferably from 1:30 to 1:2.05, or from 1:1.95 to 1.95:1, or from 2.05:1 to 30:1; more preferably from 1:10 to 1:2.1, or from 1:1.9 to 1.9:1, or from 2.1:1 to 10:1; even more preferably from 1:3 to 1:2.1, or from 1:1.9 to 1.9:1, or from 2.1:1 to 3:1; most preferably from 1:3 to 1:2.15, or from 1:1.85 to 1.85:1, or from 2.15:1 to 3:1. 7 . The compound according to claim 1 , wherein for formula (1) the ratio of a:b is from 1:40 to 1:1.8 or from 1.8:1 to 40:1, for formula (2) the ratio of d:e is from 1:30 to 0.9:1 or from 1.1:1 to 30:1, and for formula (3) the ratio of g:h is from 1:40 to 1.3:1, the ratio of g:i is from 1:18 to 2:1, and the ratio of h:i is from 1:3 to 1:2.1, or from 1:1.9 to 1.9:1, or from 2.1:1 to 3:1. 8 . The compound according to claim 1 , wherein for formula (1), a=at least 1, preferably a=1 to 100, more preferably a=1 to 50, even more preferably a=1 to 20, even more preferably a=1 to 10 or a=2 to 10, and/or wherein for formula (1), b=at least 2, preferably b=2 to 50, more preferably b=2 to 15, even more preferably b=2 to 10 or b=3 to 10. 9 . The compound according to claim 1 , wherein for formula (1), a=1 to 10, b=2 to 10 and c=4 to 20. 10 . The compound according to claim 1 , wherein the compound represented by formula (1) is selected from BaMo 2 O 6 , Ba 2 Mo 6 O 17 , Ba 4 Mo 2 O 9 , and Ba 6 Mo 2 O 11 , or a compositional equivalent of any of these compounds. 11 . The compound according to claim 1 , wherein for formula (2), d=at least 1, preferably d=1 to 100, more preferably d=1 to 50, even more preferably d=1 to 10, even more preferably d=1 to 6 or d=2 to 6, and/or wherein for formula (2), e=at least 1, preferably e=1 to 100, more preferably e=1 to 50, even more preferably e=1 to 10, even more preferably e=1 to 8 or e=2 to 8, and/or wherein for formula (2), d=1 to 6, e=1 to 8 and f=9 to 20. 12 . The compound according to claim 1 , wherein the compound represented by formula (2) is selected from MoP 3 O 10 , Mo 3 PO 10 , and Mo 4 P 2 O 15 , or a compositional equivalent of any of these compounds. 13 . The compound according to claim 1 , wherein for formula (3), g=at least 1, preferably g=1 to 100, more preferably g=1 to 50, even more preferably g=1 to 10, even more preferably g=1 to 8 or g=1 to 6, and/or wherein for formula (3), h=at least 1, preferably h=1 to 100, more preferably h=1 to 50, even more preferably h=1 to 10, even more preferably h=1 to 8 or h=2 to 8, and/or wherein for formula (3), i=at least 1, preferably i=1 to 100, more preferably i=1 to 50, even more preferably i=1 to 20, even more preferably i=1 to 15. 14 . The compound according to claim 1 , wherein for formula (3), g=1 to 8, h=1 to 8, i=1 to 15 and j=6 to 60. 15 . The compound according to claim 1 , wherein the compound represented by formula (3) is selected from BaMoPO 6 , BaMo 4 P 4 O 21 , Ba 5 Mo 8 P 12 O 55 , or a compositional equivalent of any of these compounds. 16 . A coated glass article comprising: a glass substrate and a coating on the glass substrate, wherein the coating comprises a first layer based on a compound represented by one of the formulae: Ba a Mo b O c (1), MO d P e O f (2) or Ba g Mo h P i O j (3) wherein for formula (1) the ratio of a:b is from 1:100 to 100:1, wherein for formula (2) the ratio of d:e is from 1:100 to 100:1, wherein for formula (3) the ratio of g:h is from 1:100 to 100:1, wherein for formula (3) the ratio of g:i is from 1:100 to 100:1, wherein for formula (3) the ratio of h:i is from 1:100 to 100:1, and wherein the molybdenum present within the compound is in the 5+ oxidation state. 17 . The coated glass article according to claim 16 , wherein for formula (1) the ratio of a:b is from 1:50 to 50:1, preferably the ratio of a:b is from 1:10 to 10:1, more preferably the ratio of a:b is from 1:5 to 5:1, and/or wherein for formula (2) the ratio of d:e is from 1:50 to 50:1, preferably the ratio of d:e is from 1:10 to 10:1, and/or wherein for formula (3) the ratio of g:h is from 1:50 to 50:1, preferably from 1:50 to 10:1, more preferably from 1:50 to 2:1, even more preferably from 1:50 to 1.2:1, and/or wherein for formula (3) the ratio of g:i is from 1:40 to 40:1, preferably from 1:30 to 20:1, more preferably from 1:20 to 10:1, even more preferably from 1:18 to 3:1, and/or wherein for formula (3) the ratio of h:i is from 1:50 to 1:50, preferably from 1:30 to 30:1, more preferably from 1:10 to 10:1, even more preferably from 1:5 to 5:1, most preferably from 1:3 to 3:1. 18 . The coated glass article according to claim 16 , wherein the coating further comprises one or more lower layer between the glass substrate and the first layer, and one or more upper layer located further from the glass substrate than the first layer. 19 . A method of manufacturing the compound according to claim 1 , comprising: i) for compounds represented by formula (1), providing a Ba-containing precursor, a Mo-containing precursor and an O-containing precursor, wherein at least two of said precursors may be the same precursor, and reacting said precursors to form a compound represented by formula (1), or ii) for compounds represented by formula (2), providing a Mo-containing precursor, a P-containing precursor and an O-containing precursor, wherein at least two of said precursors may be the same precursor, and reacting said precursors to form a compound represented by formula (2), or iii) for compounds represented by formula (3), providing a Ba-containing precursor, a Mo-containing precursor, a P-containing precursor and an O-containing precursor, wherein at least two of said precursors may be the same precursor, and reacting said precursors to form a compound represented by
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