Abstract: Provide is a solid electrolyte material represented by a composition formula LiaYbMcX6-dFd, where M includes at least one kind selected from the group consisting of metalloid elements and metal elements other than Li and Y; X is at least one kind selected from the group consisting Cl, Br, and I; 0<a; 0<b; 0?c; and 0<d<6.

Abstract: Provided is a battery having further improved charging/discharging efficiency. The battery comprises a positive electrode, a negative electrode, and an electrolyte layer provided between the positive electrode and the negative electrode. The electrolyte layer includes a first electrolyte layer and a second electrolyte layer. The second electrolyte layer is provided between the first electrolyte layer and the negative electrode. The first electrolyte layer includes a first solid electrolyte material. The second electrolyte layer includes a second solid electrolyte material that is a material different from the first solid electrolyte material. The first solid electrolyte material includes Li, M, and X and does not include sulfur. M includes at least one selected from the group consisting of metalloid elements and metal elements other than Li. X is at least one selected from the group consisting of Cl, Br, and I.

Abstract: The present disclosure provides a cathode material which has improved charge/discharge efficiency; and a battery using the same. The cathode material includes a cathode active material and a first solid electrolyte material; and the first solid electrolyte material contains Li, M and X; however, does not include sulfur. M represents at least one element that is selected from the group consisting of metalloid elements and metal elements other than Li. X represents at least one selected from the group consisting of Cl and Br, and I. The cathode active material includes lithium iron phosphate.

Abstract: Provide is a solid electrolyte material consisting of Li, M, X, and F, wherein M is Y, or includes Y and at least one kind selected from the group consisting of metalloid elements and metal elements other than Li; X is at least one kind selected from the group consisting of Cl, Br, and I; two or more peaks are present within a range where a value of a diffraction angle 2? is not less than 24° and not more than 35° in an X-ray diffraction pattern of the solid electrolyte material using Cu-K? as a radiation source; one or more peaks are present within a range where the value of the diffraction angle 2? is not less than 40° and less than 48° in the X-ray diffraction pattern of the solid electrolyte material using Cu-K? as the radiation source; and two or more peaks are present within a range where the value of the diffraction angle 2? is not less than 48° and not more than 59° in the X-ray diffraction pattern of the solid electrolyte material using Cu-K? as the radiation source.

Abstract: Provided is a battery including a positive electrode including a first positive electrode layer and a second positive electrode layer; a negative electrode; and an electrolyte layer. The first positive electrode layer includes a first positive electrode active material, a first solid electrolyte material, and a coating material. The second positive electrode layer includes a second positive electrode active material and the first solid electrolyte material. The first solid electrolyte material includes lithium, at least one kind selected from the group consisting of metalloid elements and metal elements other than lithium; and at least one kind selected from the group consisting of chlorine and bromine. The first solid electrolyte material does not include sulfur.

Abstract: Provided is a battery comprising a cathode, an anode, and an electrolyte layer. The electrolyte layer includes a first electrolyte layer and a second electrolyte layer. The first electrolyte layer includes a first solid electrolyte material. The second electrolyte layer includes a second solid electrolyte material which is different from the first solid electrolyte material. The first solid electrolyte material includes lithium, at least one kind selected from the group consisting of metalloid elements and metal elements other than lithium, and at least one kind selected from the group consisting of chlorine and bromine. The first solid electrolyte material does not include sulfur.

Abstract: A solid electrolyte material contains Li, M, and X. M is at least one selected from metallic elements, and X is at least one selected from the group consisting of Cl, Br, and I. A plurality of atoms of X form a sublattice having a closest packed structure. An average distance between two adjacent atoms of X among the plurality of atoms of X is 1.8% or more larger than a distance between two adjacent atoms of X in a rock-salt structure composed only of Li and X.

Abstract: Provided is a positive electrode material including a positive electrode active material, a first solid electrolyte material, and a coating material. The coating material is located on the surface of the positive electrode active material. The first solid electrolyte material includes lithium, at least one kind selected from the group consisting of metalloid elements and metal elements other than lithium, and at least one kind selected from the group consisting of chlorine, bromine, and iodine. The first solid electrolyte material does not include sulfur.

Abstract: A solid electrolyte material is represented by the following compositional formula (1): Li3-3?-2aY1+?-aMaCl6-x-yBrxIy where, M is at least one selected from the group consisting of Ta and Nb; and ?1<?<1, 0<a<1.2, 0<(3?3??2a), 0<(1+??a), 0?x?6, 0?y?6, and (x+y)?6 are satisfied.

Abstract: Provided is a solid electrolyte material represented by the following composition formula (1): Li3YX6??Formula (1) where X is two or more kinds of elements selected from the group consisting of Cl, Br, and I.

Abstract: A positive electrode material contains a positive electrode active material and a first solid electrolyte material. The first solid electrolyte material contains Li, M, and X; M at least contains yttrium; and X is at least one selected from the group consisting of Cl, Br, and I.

Abstract: Provided is a solid electrolyte material represented by a composition formula Li3-3?Y1+?-aMaCl6-x-yBrxIy, where M is at least one element selected from the group consisting of Al, Sc, Ga, and Bi; ?1<?<1; 0<a<2; 0<(1+?-a); 0?x?6; 0?y?6; and (x+y)?6.

Abstract: A solid electrolyte material contains Li; Y; at least one selected from the group consisting of Mg, Ca, Sr, Ba, Zn, Zr, Nb, and Ta; and at least one selected from the group consisting of Cl, Br, and I. An X-ray diffraction pattern of the solid electrolyte material obtained using Cu-K? radiation as an X-ray source includes peaks in a range of diffraction angles 2? of 30° or more and 33° or less, in a range of diffraction angles 2? of 39° or more and 43° or less, and in a range of diffraction angles 2? of 47° or more and 51° or less.

Abstract: Provided is a solid electrolyte material represented by the following composition formula (1): Li6-3dYdX6??Formula (1) where X is two or more kinds of elements selected from the group consisting of Cl, Br, and I; and 0<d<2.

Abstract: A solid electrolyte material includes a first crystal phase. The first crystal phase has a composition that is deficient in Li as compared with a composition represented by the following composition formula (1).

Abstract: Provided is a solid electrolyte material comprising Li, Y, Br, and I, wherein in an X-ray diffraction pattern in which Cu-K? is used as a radiation source, peaks are present within all ranges of diffraction angles 2? of 12.5° to 14.0°, 25.0° to 27.8°, 29.2° to 32.3°, 41.9° to 46.2°, 49.5° to 54.7°, and 51.9° to 57.5°.

Abstract: A solid electrolyte material is represented by the following compositional formula (1): Li3?3?+aY1+??aMaCl6?x?yBrxIy where, M is at least one selected from the group consisting of Mg, Ca, Sr, Ba, and Zn; and ?1<?<2, 0<a<3, 0<(3?3?+a), 0<(1+??a), 0?x?6, 0?y?6, and (x+y)?6 are satisfied.

Abstract: Provided is a solid electrolyte material comprising Li, Y, Br, and Cl wherein in an X-ray diffraction pattern in which Cu-K? is used as a radiation source, peaks are present within all ranges of diffraction angles 2? of 15.1° to 15.8°, 27.3° to 29.5°, 30.1° to 31.1°, 32.0° to 33.7°, 39.0° to 40.6°, and 47.0° to 48.5°.

Abstract: Provided is a solid electrolyte material represented by the following composition formula (1) Li3?3??aY1+??aMaCl6?x?yBrxIy??Formula (1) where M is one or more kinds of elements selected from the group consisting of Zr, Hf, and Ti; ?1<?<2; 0<a<1.5; 0<(3?3??a); 0<(1+??a); 0?x?6; 0?y?6; and (x+y)?6.

Abstract: Provided is a solid electrolyte material comprising Li, Y, Br, and Cl. In an X-ray diffraction pattern in which Cu—K? is used as a radiation source, peaks are present within all ranges of diffraction angles 2? of 13.6° to 14.4°, 27.4° to 28.5°, 31.8° to 32.9°, 45.4° to 47.5°, 54.0° to 56.1°, and 56.6° to 59.0°.