Abstract: The present invention relates to fluorine substituted cation-disordered lithium metal oxides for high capacity lithium-ion battery electrodes suitable for use in lithium-ion rechargeable batteries having a general formula: Li1+xM1?xO2?yFy, wherein 0.05?x?0.3 and 0<y?0.3 and M is a transition metal, such as Ti, V, Cr, Mn, Fe, Co, Ni, Zr, Nb, Mo, Sn, Sb, and combinations thereof. The fluorine-substituted cation-disordered materials of the present invention demonstrate improved electrochemical performance, showing high capacity and high voltage. The present invention also relates to methods of making the fluorine-substituted cation-disordered materials.

Abstract: A positive electrode for a solid-state lithium battery, the positive electrode including: a positive active material; and a first solid electrolyte, wherein a ratio ? of an average particle diameter of the positive active material to an average particle diameter of the first solid electrolyte is 3???40, wherein the positive active material has an average particle diameter of 1 ?m to 30 ?m, and wherein the first solid electrolyte has an average particle diameter of 0.1 ?m to 4 ?m.

Abstract: A solid-state ion conductor including a compound of Formula 1: Li(3+2y1)B(P1?y1A1y1O4)2??Formula 1 wherein, in Formula 1, A1 is an element of Groups 4, 14, or a combination thereof, and has an oxidation state of +4, and 0<y1<1.

Abstract: A solid-state ion conductor including a compound of Formula 1: Li4?x?a?(b+2)yAxMa(SeO3)2?yXby??Formula 1 wherein, in Formula 1, A is an element of Groups 1 or 11, or a combination thereof, M is an element of Groups 2 to 17, or a combination thereof, wherein an oxidation state a of M is 2?a?7, X is a cluster anion having an oxidation state of b, wherein ?3?b??1, 0<(4?x?a?(b+2)y)?2, x?0, and 0?y?2.

Abstract: This disclosure provides systems, methods, apparatus, and compositions of matter related to lithium-ion batteries. In one aspect, a lithium metal oxide has a general formula Li1+x(MM?)1?x?yDyO2. M is a redox-active transition metal, M? is a redox-inactive transition metal, and D is a metal dopant selected from a group consisting of V, Cr, Fe, and Mo. D is not M or M?, and M is not M?. 0<x?0.2 and 0<y?0.2. The lithium metal oxide has a cation-disordered rocksalt structure.

Abstract: A solid-state ion conductor including a compound of Formula 1: Li(3+2y1)B(P1-y1A1y1O4)2??Formula 1 wherein, in Formula 1, A1 is an element of Groups 4, 14, or a combination thereof, and has an oxidation state of +4, and 0<y1<1.

Abstract: A lithium rich partially cation disordered transition metal oxide cathode material is provided that exhibits reduced voltage hysteresis, reduced or inhibited transition metal migration and increased capacity and energy storage compared with layered oxides. The lithium rich cathode material is based on Li1+xCr1?x-yMyO2 where M is a transition metal with limited redox activity, such as Mn4+, Ti4+, Zr4+, Sn4+, Nb5+, Ta5+, and W6+, and where 0<x<0.33 and 0<y<0.67. Cation disordering is induced in the material that alters both the structure and the electrochemistry and effectively mitigate voltage hysteresis and increase the reversibility of the Cr3+/Cr6+ redox couple and the energy capacity. Lithium transport in the cation-disordered structure occurs through a percolation network of Li-rich tetrahedral environments.

Abstract: A solid-state ion conductor including a compound of Formula 1: Li1+(4?a)yAayM1?yXO5??Formula 1 wherein, in Formula 1, A is an element of Groups 1 to 3 or 11 to 13, or a combination thereof, wherein an oxidation state a of A is 1?a?3, M is an element having an oxidation state of +4 of Groups 4 or 14, or a combination thereof, X is an element having an oxidation state of +5 of Groups 5, 15, 17, or a combination thereof, and 0<y?1.

Abstract: A solid-state ion conductor includes a compound of Formula (I): Li4+(b?a)y+c?+(a??)xM13+x+yM23?yM?xO12X1cX21?c??Formula (I) wherein, M1 is a cationic element having an oxidation state of +2 or +3; M2 is a cationic element having an oxidation state of +4 or +5; M? is a cationic element having an oxidation state of ?, wherein ? is less than b; X1 is a cluster anion having an oxidation state of (?1-?), wherein ? is 0 or 1; X2 is a halogen; 0<c?1; 0?x?1; and 0?y?2.

Abstract: Embodiments related to cation-disordered lithium metal oxide compounds, their methods of manufacture, and use are described. In one embodiment, a cation-disordered lithium metal oxide includes LiaMbM?cO2 with a greater than 1. M includes at least one redox-active species with a first oxidation state n and an oxidation state n? greater than n, and M is chosen such that a lithium-M oxide having a formula LiMO2 forms a cation-disordered rocksalt structure. M? includes at least one charge-compensating species that has an oxidation state y that is greater than n.

Abstract: A lithium metal oxide suitable for use as a cathode material in a rechargeable battery having a general formula of: LixMzM?zOuFy, where x is 1.80<x<2.20, y=1, and more specifically 1.90<x<2.10, with 1.80<u<2.20. Preferably, 1.90<u<2.10, and 0.80<y<1.20, or more specifically, 0.90<y<1.10. The lithium metal oxide has a cation-disordered rocksalt structure, wherein M is a transition metal selected from a first group consisting of Ni, Mn, Co, Fe, and combinations thereof. M? is a transition metal selected from a second group consisting of Ti, Zr, Nb, Mo, Sn, Hf, Te, Sb, and combinations thereof. M has a first oxidation state q and M? has a second oxidation state q?, with (q/z)+(q?/z?)=+3, preferably +2.7?q/z)+(q?/z?)?+3.3.

Abstract: A solid-state ion conductor includes a compound of Formula (I): Li4+xB7O12+0.5xX1aX21?a ??Formula (I) wherein, in Formula (I), 0?x?1; X1 is a pseudohalogen; X2 is a halogen; and 0<a?1.

Abstract: A class of compositions in the Li—Mn—O—F chemical space for Li-ion cathode materials. The compositions are cobalt-free, high-capacity Li-ion battery cathode materials synthesized with cation-disordered rocksalt (DRX) oxide or oxyfluorides, with the general formula LixMn2-xO2-yFy (1.1?x?1.3333; 0?y?0.6667). The compositions are characterized by: (i) high capacities (e.g., >240 mAh/g); (ii) high energy densities (e.g., >750 Wh/kg between 1.5-4.8V); (iii) favorable cyclability; and (iv) low cost.

Abstract: A solid-state ion conductor includes a compound of the formula NaxM12?(y+z)M2yM3z(AO4)3 wherein M1, M2, and M3 are each independently Hf, Mg, Sc, In, Y, Ca, or Zr; A is P, Si, S, or a combination thereof; 3?x?3.5; 0.5?y?1; and 0?z?0.5. The solid-state ion conductor can be useful in various components of an electrochemical cell.

Abstract: A solid-state ion conductor includes a compound of Formula 1: Li(6-a)x+2y-b*z-6A1?xMaxOyXbz??Formula 1 wherein, in Formula 1, A is an element having an oxidation state of +6, M is an element having an oxidation state of a, wherein a is +2, +3, +4, +5, or a combination thereof, X is an element having an oxidation state of b, wherein b is ?1, ?3, or a combination thereof, and 2<[(6?a)x+2y?b*z?6]?6.5, 0?x?1, y>0, and z?0.

Abstract: A solid-state ion conductor includes a compound of Formula 1: Li6+(5?a)x?b*y?z(c+2)wA1?x(M1)ax(M2)byO5?z?wX1+zQcw??Formula 1 wherein, in Formula 1, A is an element having an oxidation state of +5, M1 is an element having an oxidation state of a, wherein a is +2, +3, +4, +6, +7, or a combination thereof, M2 is an element having an oxidation state of b, wherein b is +1, +2, or a combination thereof, X is an element having an oxidation state of ?1, Q is an element having an oxidation state of c, wherein c is less than ?2, and wherein ?2?(5?a)x?b*y?z?(c+2)w?2, 0?x?0.5, 0?y?0.5, ?1?z?1, 0?w?0.5.

Abstract: A class of compositions that are inclusive of a lithium metal oxide or oxyfluoride compound having a general formula: LiTM[n]OF where TM[n] represents a number of transition metal species inclusive of transitional metal species differentiated by charge or d0 electron shell conformation, with [n] being at least 4 of said transitional metal species, and wherein said lithium metal oxide or oxyfluoride has a cation-disordered rocksalt (DRX) structure and a mitigated SRO via a high entropy DRX design strategy. Also featured is a method of synthesizing the high entropy DRX lithium metal oxide or oxyfluoride compounds, as well as usage of the same in Li-ion batteries, with particular utility in cathodes of such Li-ion batteries.

Abstract: Embodiments related to cation-disordered lithium metal oxide compounds, their methods of manufacture, and use are described. In one embodiment, a cation-disordered lithium metal oxide includes LiaMbM?cO2 with a greater than 1. M includes at least one redox-active species with a first oxidation state n and an oxidation state n? greater than n, and M is chosen such that a lithium-M oxide having a formula LiMO2 forms a cation-disordered rocksalt structure. M? includes at least one charge-compensating species that has an oxidation state y that is greater than n.

Abstract: A solid-state ion conductor includes a compound of Formula (I): Li4+xB7O12+0.5xX1aX21?a ??Formula (I) wherein, in Formula (I), 0?x?1; X1 is a pseudohalogen; X2 is a halogen; and 0<a?1.

Abstract: A solid-state ion conductor includes a compound of Formula (I): Li4+(b?a)y+c?+(a??)xM13+x+yM23?yM?xO12X1cX21?c??Formula (I) wherein, M1 is a cationic element having an oxidation state of +2 or +3; M2 is a cationic element having an oxidation state of +4 or +5; M? is a cationic element having an oxidation state of ?, wherein ? is less than b; X1 is a cluster anion having an oxidation state of (?1-?), wherein ? is 0 or 1; X2 is a halogen; 0<c?1; 0?x?1; and 0?y?2.