Tin-containing compounds

Patent metadata

Field	Value
Publication number	US-10263254-B2
Application number	US-201515311982-A
Country	US
Kind code	B2
Filing date	May 22, 2015
Priority date	May 22, 2014
Publication date	Apr 16, 2019
Grant date	Apr 16, 2019

Abstract

The invention relates to novel materials of the formula: A u M 1 v M 2 w M 3 x02 ±δ wherein A is one or more alkali metals; M 1 comprises one or more redox active metals with an oxidation state in the range +2 to +4; M 2 comprises tin, optionally in combination with one or more transition metals; M 3 comprises one or more transition metals either alone or in combination with one or more non-transition elements selected from alkali metals, alkaline earth metals, other metals, metalloids and non-metals, with an oxidation state in the range +1 to +5; wherein the oxidation state of M1, M2, and M3 are chosen to maintain charge neutrality and further wherein δ is in the range 0≤δ≤0.4; U is in the range 0.3<U<2; V is in the range 0.1≤V<0.75; W is in the range 0<W<0.75; X is in the range 0≤X<0.5; and (U+V+W+X)<4.0. Such materials are useful, for example as electrode materials, in rechargeable battery applications.

First claim

The invention claimed is:

1. An electrode comprising an active compound of the formula:
A U M 1 V M 2 W M 3 X O 2±δ
wherein
A is one or more alkali metals selected from sodium and/or potassium;
M 1 comprises one or more redox active metals with an oxidation state in the range +2 to +4
M 2 comprises tin, optionally in combination with one or more metals;
M 3 comprises one or more transition metals either alone or in combination with one or more non-transition elements selected from alkali metals, alkaline earth metals, other metals and metalloids, with an oxidation state in the range +1 to +5;
wherein
the oxidation state of M 1 , M 2 , and M 3 are chosen to maintain charge neutrality and further wherein
δ is in the range 0≤δ≤0.4;
U is in the range 0.3<U<2;
V is in the range 0.1≤V<0.75;
W is in the range 0<W<0.75;
X is in the range 0≤X<0.5;
and (U+V+W+X)<4.0.

2. The electrode according to claim 1 , wherein
U is in the range 0.5<U<2;
V is in the range 0.1≤V<0.75;
W is in the range 0<W<0.75 and
X is in the range 0≤X<0.5.

3. The electrode according claim 1 , wherein M 1 comprises one or more metals selected from nickel, manganese, cobalt, iron and chromium.

4. The electrode according to claim 1 , wherein M 2 comprises tin, optionally in combination with one or more metals selected from magnesium, copper, titanium, vanadium, chromium and manganese.

5. The electrode according to claim 1 , wherein M 3 comprises one or more transition metals selected from titanium, vanadium, niobium, tantalum, hafnium, chromium, molybdenum, tungsten, manganese, iron, osmium, cobalt, nickel, palladium, platinum, copper, silver, gold, zinc, cadmium, scandium, yttrium, zirconium, technetium, rhenium, ruthenium, rhodium, iridium and mercury; and optionally one or more non-transition elements selected from: alkali metals including lithium, sodium and potassium; other metals including aluminium, gallium, indium, lead, bismuth and thallium; alkaline earth metals including magnesium, calcium, beryllium, strontium and barium; and metalloids including boron, silicon, germanium, arsenic, antimony and tellurium.

6. The electrode according to claim 1 wherein the formula of the compound is one of:
NaNi 1/2 Mn 1/4 Sn 1/4 O 2
NaNi 1/3 Mn 1/3 Sn 1/6 Mg 1/6 O 2
NaNi 1/2 Mn 1/4 Sn 1/8 Ti 1/8 O 2
NaNi 1/4 Mn 4/12 Sn 3/12 Na 1/6 O 2
NaNi 1/3 Mn 1/6 Sn 1/6 Mg 1/6 Ti 1/6 O 2
NaNi 1/2 Mn 1/4 Sn 1/8 Ti 1/8 O 2
NaNi 1/2 Ti 1/4 Sn 1/4 O 2
Na 0.95 Ni 0.3167 Mn 0.3167 Mg 0.1625 Sn 0.2018 O 2
Na 0.95 Ni 0.3167 Sn 0.3167 Mg 0.1625 Ti 0.2018 O 2
NaNi 1/2 Sn 1/2 O 2
NaNi 1/2 Ti 1/4 Sn 1/4 O 2
NaNi 1/2 Ti 3/8 Sn 1/8 O 2
NaCo 1/8 Ni 1/8 Na 1/6 Mn 4/12 Sn 3/12 O 2
NaCo 1/2 Mn 4/12 Sn 3/12 Na 1/6 O 2
NaCo 1/2 Mn 1/4 Sn 1/8 Ti 1/8 O 2
NaCo 1/2 Sn 1/2 O 2
NaCo 1/2 Sn 1/4 Ti 1/4 O 2
NaMn 1/2 Sn 1/2 O 2
NaMn 1/2 Ti 1/4 Sn 1/4 O 2
NaFe 1/2 Mn 1/4 Sn 1/8 Ti 1/8 O 2
NaFe 1/2 Sn 1/2 O 2
NaFe 1/4 Mn 4/12 Sn 3/12 Na 1/6 O 2
NaNi 1/2 Mn 1/4 Sn 1/8 Ti 1/8 O 1.9
NaNi 1/2 Ti 3/8 Sn 1/8 O 1.95
NaNi 1/4 Na 1/6 Mn 13/24 Sn 1/24 O 2
NaNi 1/4 Na 1/6 Mn 1/12 Ti 5/12 Sn 1/12 O 2
NaNi 1/4 Na 1/6 Mn 2/12 Ti 4/12 Sn 1/12 O 2 .

7. An energy storage device comprising the electrode according to claim 1 .

8. The energy storage device according to claim 7 suitable for use as one or more of the following: a sodium and/or potassium ion cell; a sodium and/or potassium metal cell; a non-aqueous electrolyte sodium and/or potassium ion cell; and an aqueous electrolyte sodium and/or potassium ion cell.

9. A rechargeable battery comprising the electrode according to claim 1 .

10. An electrochemical device comprising the electrode according to claim 1 .

11. An electrochromic device comprising the electrode according to claim 1 .

12. A method of preparing the compound according to claim 1 comprising the steps of:
a) mixing starting materials together,
b) heating the mixed starting materials in a furnace at a temperature of between 400° C. and 1500° C., for between 2 and 20 hours to form a reaction product; and
c) allowing the reaction product to cool.

13. The energy storage device according to claim 7 , further comprising a counter electrode and one or more electrolyte materials.

14. A compound of the formula:
A U M 1 V M 2 W M 3 X O 2±δ
wherein
A is one or more alkali metals selected from sodium and/or potassium;
M 1 comprises one or more redox active metals with an oxidation state in the range +2 to +4, selected from nickel, manganese, iron and chromium;
M 2 comprises tin, optionally in combination with one or more metals;
M 3 comprises one or more transition metals either alone or in combination with one or more non-transition elements selected from alkali metals, alkaline earth metals, other metals and metalloids, with an oxidation state in the range+1 to +5;
wherein
the oxidation state of M 1 , M 2 , and M 3 are chosen to maintain charge neutrality and further wherein
δ is in the range 0≤δ≤0.4;
U is in the range 0.3<U<2;
V is in the range 0.1≤V<0.75;
W is in the range 0<W<0.75;
X is in the range 0≤X<0.5;
and (U+V+W+X)<4.0.

15. The compound according to claim 14 , wherein
U is in the range 0.5<U<2;
V is in the range 0.1≤V<0.75;
W is in the range 0<W<0.75 and
X is in the range 0≤X<0.5.

16. The compound according to claim 14 , wherein M 2 comprises tin, optionally in combination with one or more metals selected from magnesium, copper, titanium, vanadium, chromium and manganese.

17. The compound according to claim 14 , wherein M 3 comprises one or more transition metals selected from titanium, vanadium, niobium, tantalum, hafnium, chromium, molybdenum, tungsten, manganese, iron, osmium, cobalt, nickel, palladium, platinum, copper, silver, gold, zinc, cadmium, scandium, yttrium, zirconium, technetium, rhenium, ruthenium, rhodium, iridium and mercury; and optionally one or more non-transition elements selected from: alkali metals including lithium, sodium and potassium; other metals including aluminium, gallium, indium, lead, bismuth and thallium; alkaline earth metals including magnesium, calcium, beryllium, strontium and barium; and metalloids including boron, silicon, germanium, arsenic, antimony and tellurium.

18. The compound according to claim 14 of the formula:
NaNi 1/2 Mn 1/4 Sn 1/4 O 2
NaNi 1/3 Mn 1/3 Sn 1/6 Mg 1/6 O 2
NaNi 1/2 Mn 1/4 Sn 1/8 Ti 1/8 O 2
NaNi 1/4 Mn 4/12 Sn 3/12 Na 1/6 O 2
NaNi 1/3 Mn 1/6 Sn 1/6 Mg 1/6 Ti 1/6 O 2
NaNi 1/2 Mn 1/4 Sn 1/8 Ti 1/8 O 2
NaNi 1/2 Ti 1/4 Sn 1/4 O 2
Na 0.95 Ni 0.3167 Mn 0.3167 Mg 0.1625 Sn 0.2018 O 2
Na 0.95 Ni 0.3167 Sn 0.3167 Mg 0.1625 Ti 0.2018 O 2
NaNi 1/2 Sn 1/2 O 2
NaNi 1/2 Ti 1/4 Sn 1/4 O 2
NaNi 1/2 Ti 3/8 Sn 1/8 O 2
NaMn 1/2 Sn 1/2 O 2
NaMn 1/2 Ti 1/4 Sn 1/4 O 2
NaFe 1/2 Mn 1/4 Sn 1/8 Ti 1/8 O 2
NaFe 1/2 Sn 1/2 O 2
NaFe 1/4 Mn 4/12 Sn 3/12 Na 1/6 O 2
NaNi 1/2 Mn 1/4 Sn 1/8 Ti 1/8 O 1.9
NaNi 1/2 Ti 3/8 Sn 1/8 O 1.95
NaNi 1/4 Na 1/6 Mn 13/24 Sn 1/24 O 2
NaNi 1/4 Na 1/6 Mn 1/12 Ti 5/12 Sn 1/12 O 2
NaNi 1/4 Na 1/6 Mn 2/12 Ti 4/12 Sn 1/12 O 2 .

Assignees

• Faradion Ltd
• Sharp Kk

Inventors

• Kendrick Emma
• Gruar Robert
• Nishijima Motoaki
• Mizuhata Hirotaka
• Otani Takuya
• Asako Isao
• Kamimura Yuichi

Classifications

• H01M4/485 Primary

  of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy (H01M4/505, H01M4/525 take precedence) · CPC title

• H01M4/525

  of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy · CPC title

• C01G53/50

  of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2 · CPC title

• C01G19/00 Primary

  Compounds of tin · CPC title

• H01M10/052

  Li-accumulators · CPC title