Beta-delithiated layered nickel oxide electrochemically active cathode material and a battery including said material

Patent metadata

Field	Value
Publication number	US-10276869-B2
Application number	US-201715785326-A
Country	US
Kind code	B2
Filing date	Oct 16, 2017
Priority date	Mar 28, 2014
Publication date	Apr 30, 2019
Grant date	Apr 30, 2019

Abstract

The invention is directed towards an electrochemically active cathode material. The electrochemically active cathode includes beta-delithiated layered nickel oxide. The beta-delithiated layered nickel oxide has an X-ray diffraction pattern. The X-ray diffraction pattern of the beta-delithiated layered nickel oxide includes a first peak from about 14.9°2θ to about 16.0°2θ; a second peak from about 21.3°2θ to about 22.7°2θ; a third peak from about 37.1°2θ to about 37.4°2θ; a fourth peak from about 43.2°2θ to about 44.0°2θ; a fifth peak from about 59.6°2θ to about 60.6°2θ; and a sixth peak from about 65.4°2θ to about 65.9°2θ.

First claim

The invention claimed is:

1. An electrochemically active cathode material comprising a beta-delithiated layered nickel oxide, the beta-delithiated layered nickel oxide having an X-ray diffraction pattern comprising a peak from about 14.9°2θ to about 16.0°2θ and a peak from about 10.8°2θ to about 12.0°2θ.

2. The electrochemically active cathode material of claim 1 , the X-ray diffraction pattern further comprising a peak from about 21.3°2θ to about 22.7°2θ; a peak from about 37.1°2θ to about 37.4°2θ; a peak from about 43.2°2θ to about 44.0°2θ; a peak from about 59.6°2θ to about 60.6°2θ; and a peak from about 65.4°2θ to about 65.9°2θ.

3. The electrochemically active cathode material of claim 2 , the X-ray diffraction pattern further comprising a peak from about 48.1°2θ to about 48.6°2θ.

4. The electrochemically active cathode material of claim 1 , the X-ray diffraction pattern comprising a peak at about 15.4°2θ and a peak at about 11.2°2θ.

5. The electrochemically active cathode material of claim 2 , the X-ray diffraction pattern comprising a peak at about 22.1°2θ; a peak at about 37.3°2θ; a peak at about 43.6°2θ; a peak at about 60.1°2θ; and a peak at about 65.7°2θ.

6. The electrochemically active cathode material of claim 5 , the X-ray diffraction pattern further comprising a peak at about 48.3°2θ.

7. The electrochemically active cathode material of claim 1 , the peak from about 14.9°2θ to about 16.0°2θ having a FWHM from about having a FWHM from about 1.01 to about 2.09 and the peak from about 10.8°2θ to about 12.0°2θ having a FWHM from about 0.56 to about 1.73.

8. The electrochemically active cathode material of claim 1 , the X-ray diffraction pattern further comprising a peak from about 21.3°2θ to about 22.7°2θ having a FWHM from about 0.86 to about 1.95; a peak from about 37.1°2θ to about 37.4°2θ having a FWHM from about 0.23 to about 0.41; a peak from about 43.2°2θ to about 44.0°2θ having a FWHM from about 0.40 to about 0.75; a peak from about 59.6°2θ to about 60.6°2θ having a FWHM from about 0.57 to about 1.45; and a peak from about 65.4°2θ to about 65.9°2θ having a FWHM from about 0.27 to about 0.53.

9. The electrochemically active cathode material of claim 8 , the X-ray diffraction pattern further comprising a peak from about 48.1°2θ to about 48.6°2θ having a FWHM from about 0.33 to about 0.58.

10. A battery comprising:
a cathode comprising a conductive additive and an electrochemically active cathode material, the electrochemically active cathode material comprising a beta-delithiated layered nickel oxide;
an anode comprising an electrochemically active anode material, the electrochemically active anode material comprising zinc;
a separator between said cathode and said anode; and
an electrolyte;
wherein the beta-delithiated layered nickel oxide has an X-ray diffraction pattern comprising a peak from about 14.9°2θ to about 16.0°2θ and a peak from about 10.8°2θ to about 12.0°2θ.

11. The battery of claim 10 , wherein the X-ray diffraction pattern of the beta-delithiated layered nickel oxide further comprises a peak at about 21.3°2θ to about 22.7°2θ; a peak from about 37.1°2θ to about 37.4°2θ; a peak from about 43.2°2θ to about 44.0°2θ; a peak from about 59.6°2θ to about 60.6°2θ; and a peak from about 65.4°2θ to about 65.9°2θ.

12. The battery of claim 10 , the peak from about 14.9°2θ to about 16.0°2θ having a FWHM from about 1.01 to about 2.09 and the peak from about 10.8°2θ to about 12.0°2θ having a FWHM from about 0.56 to about 1.73.

13. The battery of claim 10 , wherein the X-ray diffraction pattern of the beta-delithiated layered nickel oxide further comprises a peak from about 21.3°2θ to about 22.7°2θ having a FWHM from about 0.86 to about 1.95; a peak from about 37.1°2θ to about 37.4°2θ having a FWHM from about 0.23 to about 0.41; a peak from about 43.2°2θ to about 44.0°2θ having a FWHM from about 0.40 to about 0.75; a peak from about 59.6°2θ to about 60.6°2θ having a FWHM from about 0.57 to about 1.45; and a peak from about 65.4°2θ to about 65.9°2θ having a FWHM from about 0.27 to about 0.53.

14. The battery of claim 10 , wherein the battery further comprises:
a housing, the housing comprising an outer surface; and
a label, the label comprising a voltage tester;
wherein the label is affixed to the outer surface of the housing.

15. The electrochemically active material of claim 1 , the beta-delithiated layered nickel oxide having the formula: Li x A y Ni 1+a-z M z O 2 .nH 2 O
where x is from about 0.02 to about 0.20;
y is from about 0.03 to about 0.20;
a is from about 0 to about 0.2;
z is from about 0 to about 0.2;
n is from about 0 to about 1;
A comprises an alkali metal; and
M comprises an alkaline earth metal, a transition metal, a non-transition metal, and any combination thereof.

16. The electrochemically active material of claim 15 , wherein A comprises potassium.

17. The electrochemically active material of claim 15 , wherein a is from about 0.09 to about 0.10.

18. The electrochemically active material of claim 15 , wherein the beta-delithiated layered nickel oxide comprises water such that n is greater than 0.

Assignees

• Duracell Us Operations Inc

Inventors

• Nelson Jennifer A
• Anglin David Lloyd
• Brundu Mariarosa
• Christian Paul Albert

Classifications

• H01M4/06 Primary

  Electrodes for primary cells · CPC title

• H01M4/244

  Zinc electrodes · CPC title

• H01M2300/0085

  Immobilising or gelification of electrolyte · CPC title

• H01M6/04

  Cells with aqueous electrolyte · CPC title

• H01M4/32

  Nickel oxide or hydroxide electrodes · CPC title