JPWO2021125980A5 - - Google Patents

Claims (43)

1. A cathode for an aluminum ion battery, the cathode comprising an active material , the active material comprising an oxide of boron. 2. The cathode of claim 1, wherein the active material further comprises boron nitride. Cathode according to claim 2, characterized in that the ratio of the boron oxide to the boron nitride is between 5:95 and 95:5 (by weight). The ratio of the boron oxide to the boron nitride is between 10:90 and 90:10, or between 20:80 and 80:20, or between 30:70 and 70:30, or between 40:60 and Cathode according to claim 2 or 3 , characterized in that the ratio is between 60:40 (by weight). The cathode according to any one of claims 1 to 4 , characterized in that the boron oxide comprises at least 75% (by weight) of the active material . The cathode according to any one of claims 1 to 5 , wherein the boron oxide contains boric anhydride. Cathode according to any one of claims 2 to 4 , characterized in that the boron nitride comprises a 2D layered material. 8. The cathode according to claim 2 , wherein the boron nitride comprises hexagonal boron nitride. Cathode according to any one of claims 1 to 8 , characterized in that it further comprises a conductive material. 10. Cathode according to claim 9 , characterized in that the conductive material comprises conductive carbon. An aluminum ion battery cell comprising a cathode, the cathode comprising an oxide of boron and boron nitride, wherein the ratio of the oxide of boron to the boron nitride is between 5:95 and 95:5 (by weight). ) An aluminum ion battery cell characterized by: The ratio of the boron oxide to the boron nitride is between 10:90 and 90:10, or between 20:80 and 80:20, or between 30:70 and 70:30, or between 40:60 and 12. Cell according to claim 11 , characterized in that the ratio is between 60:40 (by weight). 12. The cell of claim 11 , wherein the ratio of boron oxide to boron nitride is about 1:1 (by weight). The cell according to any one of claims 11 to 13 , characterized in that the boron oxide contains boric anhydride. Cell according to any one of claims 11 to 14 , characterized in that the boron nitride comprises a 2D layered material. Cell according to any one of claims 11 to 15 , characterized in that the boron nitride comprises hexagonal boron nitride. Cell according to any one of claims 11 to 16 , characterized in that it further comprises an anode, said anode comprising aluminum. 11-12, further comprising an electrolyte in electrical contact with the anode and/or the cathode, and optionally an ion-permeable separator arranged between the anode and the cathode . 18. The cell according to any one of 17 . Use of a combination of an oxide of boron and boron nitride in the manufacture of a cathode for an aluminum ion battery cell, wherein the ratio of said oxide of boron to said boron nitride is between 5:95 and 95:5 ( Use characterized in that it is (by weight). The ratio of the boron oxide to the boron nitride is between 10:90 and 90:10, or between 20:80 and 80:20, or between 30:70 and 70:30, or between 40:60 and 20. Use according to claim 19 , characterized in that the ratio is between 60:40 (by weight). 20. Use according to claim 19 , characterized in that the ratio of the oxide of boron to the boron nitride is approximately 1:1 (by weight). Use according to any one of claims 19 to 21 , characterized in that the oxide of boron comprises boric anhydride. Use according to any one of claims 19 to 22 , characterized in that the boron nitride comprises a 2D layered material. Use according to any one of claims 19 to 23 , characterized in that the boron nitride comprises hexagonal boron nitride. Use according to any one of claims 19 to 24 , characterized in that the aluminum ion battery cell further comprises an anode, the anode comprising aluminum. The aluminum ion battery cell further comprises an electrolyte in electrical contact with the anode and/or the cathode, and optionally an ion-permeable separator disposed between the anode and the cathode. Use according to any one of claims 19 to 25 . Use of a cathode according to any one of claims 1 to 10 in an aluminum ion battery. A cathode for an aluminum ion battery, the cathode comprising a main group element nitride and an oxide of a group 1 to 13 element. The ratio of the oxide of the Group 1 to Group 13 element to the main group element nitride is between 5:95 and 95:5, or between 10:90 and 90:10, or between 20:80 and 80: 29. The cathode according to claim 28 , characterized in that the ratio is between 20, or between 30:70 and 70:30, or between 40:60 and 60:40, or about 1:1 (by weight). . The cathode according to claim 28 or 29 , characterized in that the oxide of the element of Groups 1 to 13 contains an oxide of boron, titanium, or manganese. The cathode according to any one of claims 28 to 30 , characterized in that the main group element nitride comprises a nitride of boron, carbon, aluminum, or silicon. Cathode according to any one of claims 28 to 31 , characterized in that the main group element nitride comprises a 2D layered material. The cathode according to any one of claims 28 to 32 , characterized in that the main group element nitride is boron nitride. 34. The cathode of claim 33 , wherein the boron nitride comprises hexagonal boron nitride. 1. A cathode for an aluminum ion battery, characterized in that the cathode contains a main group element nitride and a main group element oxide. the ratio of the oxide of the main group element to the nitride of the main group element is between 5:95 and 95:5, or between 10:90 and 90:10, or between 20:80 and 80:20; or between 30:70 and 70:30, or between 40:60 and 60:40, or about 1 :1 (by weight). 37. Cathode according to claim 35 or 36 , characterized in that the main group element nitride is selected from nitrides of boron, carbon, aluminum and silicon. 38. The cathode according to claim 35 , wherein the oxide of the main group element is an oxide of boron. An aluminum ion battery cell comprising the cathode according to any one of claims 28 to 38 . 40. The cell of claim 39 , further comprising an anode, said anode comprising aluminum. 39. Claim 39, further comprising an electrolyte in electrical contact with the anode and/or cathode, and optionally an ion-permeable separator arranged between the anode and the cathode . or the cell described in 40 . Use of a combination of a main group element nitride and an oxide of an element of groups 1 to 13 in the production of a cathode for an aluminum ion battery cell, the combination of a main group element nitride and an oxide of an element of groups 1 to 13, Use, characterized in that the ratio to group element nitride is between 5:95 and 95:5 (by weight). Use of a combination of a main group element nitride and a main group element oxide in the manufacture of a cathode for an aluminum ion battery cell, wherein the ratio of the main group element oxide to the main group element nitride is Use between 5:95 and 95:5 (by weight).