Abstract: A positive electrode active material comprising: a compound which has a crystal structure belonging to space group Fm-3m and which is represented by the following composition formula: LixMeyO?X?. In the formula, the Me represents one or more elements selected from the group consisting of Mn, Ni, Co, Fe, Al, Sn, Cu, Nb, Mo, Bi, Ti, V, Cr, Y, Zr, Zn, Na, K, Ca, Mg, Pt, Au, Ag, Ru, Ta, W, La, Ce, Pr, Sm, Eu, Dy, and Er. The X represents one element selected from the group consisting of Cl, Br, I, N, and S. The following conditions are satisfied: 0.5?x?1.5; 0.5?y?1.0; 1??<2; and 0<??1.

Abstract: A positive-electrode active material contains a compound that has a crystal structure belonging to a space group FM3-M and that is represented by the composition formula (1) and a lithium ion conductor, LixMeyO?F???(1) wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr, and the following conditions are satisfied. 17?x?2.2 0.8?y?1.3 1???2.5 0.

Abstract: A positive-electrode active material containing a compound that has a crystal structure belonging to the space group FM-3M and is represented by the composition formula (1): LixMeyO?Fp ??(1) wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, and Al, and the following conditions are satisfied. 1.3?x?2.2 0.8?y?1.3 1???2.93 0.

Abstract: A positive-electrode active material contains a compound that has a crystal structure belonging to a space group FM3-M and contains is represented by the composition formula (1) and an insulating compound, LixMeyO?F???(1) wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr, and the following conditions are satisfied. 1.7?x?2.2 0.8?y?1.3 1???2.5 0.

Abstract: A positive electrode active material for a battery, the positive electrode active material comprising a compound having a crystal structure of space group Fm-3m and represented by composition formula (1): LixMe1?Me2?O2 . . . (1). In the formula, Me1 represents one or more elements selected from the group consisting of Mn, Ni, Co, Fe, Al, Sn, Cu, Nb, Mo, Bi, Ti, V, Cr, Y, Zr, Zn, Na, K, Ca, Mg, Pt, Au, Ag, Ru, Ta, W, La, Ce, Pr, Sm, Eu, Dy, and Er, Me2 represents one or more elements selected from the group consisting of B, Si, and P, and the following conditions are met: 0<?; 0<?; ?+?=y; 0.5?x/y?3.0; and 1.5?x+y?2.3.

Abstract: A positive-electrode active material contains a compound that has a crystal structure belonging to the space group FM3-M and that is represented by the composition formula (1): LixMeyO?F???(1) wherein Me denotes one or two or more elements selected from the group consisting of B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, and solid solutions thereof, and the following conditions are satisfied. 1.8?x?2.2 0.8?y?1.3 1.2???2.5 0.5???1.

Abstract: A positive-electrode active material contains a compound that has a crystal structure belonging to a space group FM3-M and that is represented by the composition formula (1): LixAyMezO?F???(1) wherein A denotes Na or K, Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr, and the following conditions are satisfied. 1.7?x+y?2.2 0?y?0.2 0.8?z?1.3 1???2.5 0.

Abstract: The cathode active material for a nonaqueous electrolyte secondary battery according to an aspect of the present disclosure mainly comprises a compound represented by a composition formula: LixNay(Li?Na?Mn1????)O2, where x, y, ?, and ? satisfy 0.75?x?1.0, 0<y?0.01, 0.75<x+y?1, 0.16???0.3, 0???0.01, and 0.2??+??0.3.

Abstract: Heating reaction container comprises: a first member; a second member; and a third member. An opening is closed by the second member being detachably fitted in the first member and by the third member being detachably fitted in the second member. ?1, ?2, and ?3 satisfy a relation of ?3>?2>?1, ?3=?2>?1, or ?3>?2=?1, where ?1 represents a thermal expansion coefficient of a first material of the first member, ?2 represents a thermal expansion coefficient of a second material of the second member, and ?3 represents a thermal expansion coefficient of a third material of the third member. A gap is present before heating, and a space is sealed, through the heating, by a first contact surface coming into intimate contact with a second contact surface and by a third contact surface coming into intimate contact with a fourth contact surface.

Abstract: A cathode active material contains a compound having a crystal structure of space group FM-3M, represented by composition formula (1), and having a half-width in 2? of 0.9° or more and 2.4° or less for a (200) diffraction peak in powder X-ray diffraction (XRD): LixMeyO2. . . (1). In the formula, Me represents one or two or more elements selected from the group consisting of Mn, Nb, Ti, Ni, Co, Fe, Sn, Cu, Mo, Bi, V, and Cr. In addition to this, the following conditions are met: 0.5?x/y?3.0; and 1.5?x+y?2.3.

Abstract: A cathode active material contains a compound having a crystal structure of space group FM-3M and represented by composition formula (1): LixMeyO2 . . . (1). In the formula, Me represents any of the following: Mn; Mn and one or two or more elements selected from the group consisting of Co, Fe, Sn, Cu, Mo, Bi, V, and Cr; Ni, Mn, and one or two or more elements selected from the group consisting of Co, Fe, Sn, Cu, Mo, Bi, V, and Cr; and one or two or more elements selected from the group consisting of Ni, Co, Fe, Sn, Cu, Mo, Bi, V, and Cr. In addition to this, the following conditions are met: 0.5?x/y?3.0; and 1.5?x+y?2.3.

Abstract: A charging device of an aspect of the present disclosure includes couplers and control circuitry that controls a charging operation. If the number of one or more secondary battery-equipped devices to be charged is smaller than a set number, the control circuitry charges each of the one or more secondary battery-equipped devices to be charged with a continuous current. If the number is greater than or equal to the set number, the control circuitry intermittently repeats charging of each of the one or more secondary battery-equipped devices to be charged with a stopping interval placed between charging operations while selectively and sequentially switching the one or more secondary battery-equipped devices to which a charging current is supplied at the same time, and the control circuitry increases the charging current and shortens an application duration of the charging current per charging with an increase in the number of secondary battery-equipped devices to be charged.

Abstract: The present invention provides a cathode active material that makes possible a high capacity nonaqueous electrolyte secondary battery that has excellent discharge load characteristics that provide both good cycle characteristics and thermal stability. The cathode active material comprises a lithium nickel composite oxide having the compositional formula LiNi1?aMaO2 (where, M is at least one kind of element that is selected from among a transitional metal other than Ni, a group 2 element, and group 13 element, and 0.01?a?0.5) to which fine lithium manganese composite oxide particle adhere to the surface thereof. This lithium nickel composite oxide is obtained by adding manganese salt solution to a lithium nickel composite oxide slurry, causing manganese hydroxide that contains lithium to adhere to the surface of the lithium nickel composite oxide particles, and then baking that lithium nickel composite oxide.

Abstract: A battery positive electrode material of the present disclosure is a battery positive electrode material containing a positive electrode active substance represented by the following composition formula (2). According to this battery positive electrode material, an increase in capacity of a lithium ion battery can be realized. In addition, a lithium ion battery of the present disclosure is a lithium ion battery including a positive electrode, a negative electrode, and an electrolyte, the positive electrode including a battery positive electrode material which contains the positive electrode active substance described above. Accordingly, a lithium ion battery having a high capacity can be realized.

Abstract: A secondary battery system according to one aspect of the present disclosure includes: a plurality of secondary batteries; a power source; and a control circuitry. The control circuitry is operative to intermittently charges each of the plurality of secondary batteries plural times with a pause between charges while repeating a cycle including (a) selecting a secondary battery to be charged next from among the plurality of secondary batteries and (b) charging the selected secondary battery at a charging current not less than a standard current. The standard current is defined to reduce a charging capacity of each secondary battery decreases by 20% from a maximum charging capacity in a case where the secondary battery is continuously charged at the standard current.

Abstract: A cathode active material contains a compound represented by composition formula (1): LixNay{Li?Na?Mn(1?????z)Az}O2. In the formula, A represents at least one selected from the group consisting of Co, Ni, Fe, and Al, and the following conditions are met: 0.75?x?1.0, 0<y?0.01, 0.75<x+y?1, 0.16???0.3, 0<??0.01, 0.2??+??0.3, and 0?z?0.15.

Abstract: A battery has a cathode, an anode, and a first solid electrolyte. The cathode contains a particle of a cathode active material, and the anode contains a particle of an anode active material. The first solid electrolyte is disposed between the cathode and the anode. At least one of the surface of the particle of the cathode active material and the surface of the particle of the anode active material is coated with a polyether-based organic solid electrolyte. The polyether-based organic solid electrolyte is in contact with the first solid electrolyte. The polyether-based organic solid electrolyte is a compound of a polymer having an ether bond and an electrolytic salt.

Abstract: Heating reaction container comprises: a first member; a second member; and a third member. An opening is closed by the second member being detachably fitted in the first member and by the third member being detachably fitted in the second member. ?1, ?2, and ?3 satisfy a relation of ?3>?2>?1, ?3=?2>?1, or ?3>?2=?1, where ?1 represents a thermal expansion coefficient of a first material of the first member, ?2 represents a thermal expansion coefficient of a second material of the second member, and ?3 represents a thermal expansion coefficient of a third material of the third member. A gap is present before heating, and a space is sealed, through the heating, by a first contact surface coming into intimate contact with a second contact surface and by a third contact surface coming into intimate contact with a fourth contact surface.

Abstract: A positive electrode material includes an active material represented by Li2Mn(1-2x)NixMoxO3 (where 0<x<0.4).

Abstract: The cathode active material for a nonaqueous electrolyte secondary battery according to an aspect of the present disclosure mainly comprises a compound represented by a composition formula: LixNay(Li?Na?Mn1-?-?)O2, where x, y, ?, and ? satisfy 0.75?x?1.0, 0<y?0.01, 0.75<x+y?1, 0.16???0.3, 0???0.01, and 0.2??+??0.3.