Abstract: A coated method for the preparation of a separator comprising multiple layers of glass or glass and ceramic particles for use in an electrochemical cell, an electrochemical cell comprising such a separator and the use of such an electrochemical cell. The method comprises the steps of providing a mixture of an organic polymeric material, glass or glass and ceramic particles and at least one solvent, and preparing a multilayer by phase inversion.

Abstract: Anode active materials and methods of preparing the same are provided. One anode active material includes a carbonaceous material capable of improving battery cycle characteristics. The carbonaceous material bonds to and coats metal active material particles and fibrous metallic particles to suppress volumetric changes.

Abstract: A cathode electrode material for use in rechargeable Li-ion batteries, based on the integration of two Li-based materials of NASICON- and Spinel-type structures, is described in the present invention. The structure and composition of the cathode can be described by a core material and a surface coating surrounding the core material, wherein the core of the cathode particle is of the formula LiMn2-xNixO4?? (0.5?x?0 & 0???1) and having a spinel crystal structure, the surface coating is of the formula Li1+xMxTi2-x(PO4)3 (M: is a trivalent cation, 0.5?x?0) having a NASICON-type crystal structure.

Abstract: The present invention is directed to a lithium ion secondary battery positive electrode, a lithium ion secondary battery, a vehicle mounting the same, and an electric power storage system, which improve the electron conductivity even inside an active material formed into a secondary particle.

Abstract: A cathode material with excellent capacity and output characteristics and safety, and a lithium ion secondary battery using the same is provided. The invention relates to a cathode material which includes a mixture of a cathode active material having a large primary particle size with excellent capacity characteristics and represented by the composition formula: Lix1Nia1Mnb1Coc1O2, where 0.2?x1?1.2, 0.6?a1, 0.05?b1?0.3, 0.05?c1?0.3, and another cathode active material having a small primary particle size with excellent output characteristics and represented by the composition formula: Lix2Nia2Mnb2Coc2O2, where 0.2?x2?1.2, a2?0.5, 0.05?b2?0.5, 0.05?c2?0.5. The invention also relates to a lithium ion secondary battery using the cathode material.

Abstract: Disclosed are a method of manufacturing an electrode for secondary batteries that includes surface-treating a current collector so as to have a morphology wherein a surface roughness Ra of 0.001 ?m to 10 ?m is formed over the entire surface thereof to enhance adhesion between an electrode active material and the current collector and an electrode for secondary batteries that is manufactured using the method.

Abstract: A composite particle is provided. The particle comprises a first particle component and a second particle component in which: (a) the first particle component comprises a body portion and a surface portion, the surface portion comprising one or more structural features and one or more voids, whereby the surface portion and body portion define together a structured particle; and (b) the second component comprises a removable filler; characterised in that (i) one or both of the body portion and the surface portion comprise an active material; and (ii) the filler is contained within one or more voids comprised within the surface portion of the first component.

Abstract: Disclosed are a cathode active material for a lithium secondary battery, and a lithium secondary battery including the same. The disclosed cathode active material includes a core including a compound represented by Formula 1; and a shell including a compound represented by Formula 2, in which the core and the shell have different material compositions.

Abstract: The present invention is to provide a lithium titanate (LTO) material for a lithium ion battery. The LTO material has hierarchical micro/nano architecture, and comprises a plurality of micron-sized secondary LTO spheres, and a plurality of pores incorporated with metal formed by a metal dopant. Each of the micron-sized secondary LTO spheres comprises a plurality of nano-sized primary LTO particles. A plurality of the nano-sized primary LTO particles is encapsulated by a non-metal layer formed by a non-metal dopant. The LTO material of the present invention has high electrical conductivity for increasing the capacity at high charging/discharging rates, and energy storage capacity.

Abstract: The battery includes one or more electrodes that each has an active layer on a current collector. The active layer including active particles. The active particles include elongated particles embedded in an active medium such that at least a portion of the elongated particles each extends from within the active medium past a surface of the active medium.

Abstract: An electric energy storage device comprises first and second conductor layers, and positive and negative electrodes. The first conductor layer has both surfaces coated with ionic or dipole material across entire surface thereof. The second conductor layer has both surfaces coated with ionic or dipole material across entire surface thereof. The positive electrode is attached to the first conductor layer. The negative electrode is attached to the second conductor. The stored electrical energy is discharged and output to the electrodes by using an external AC voltage in a predetermined frequency range as a trigger power.

Abstract: A method is provided for fabricating a transition metal hexacyanometallate (TMHCM) electrode with a water-soluble binder. The method initially forms an electrode mix slurry comprising TMHCF and a water-soluble binder. The electrode mix slurry is applied to a current collector, and then dehydrated to form an electrode. The electrode mix slurry may additionally comprise a carbon additive such as carbon black, carbon fiber, carbon nanotubes, graphite, or graphene. The electrode is typically formed with TMHCM greater than 50%, by weight, as compared to a combined weight of the TMHCM, carbon additive, and binder. Also provided are a TMHCM electrode made with a water-soluble binder and a battery having a TMHCM cathode that is made with a water-soluble binder.

Abstract: A lithium-ion secondary battery (100A) includes a positive electrode current collector (221A) and a positive electrode active material layer (223A) retained on the positive electrode current collector (221A). The positive electrode active material layer (223A) contains positive electrode active material particles, a conductive agent, and a binder. The positive electrode active material particles (610A) each include a shell portion (612) made of primary particles (800) of a layered lithium-transition metal oxide, a hollow portion (614) formed inside the shell portion (612), and a through-hole (616) penetrating through the shell portion (612). The primary particles (800) of the lithium-transition metal oxide have a major axis length of less than or equal to 0.8 ?m in average of the positive electrode active material layer (223A).

Abstract: Process for preparing precursors for transition metal mixed oxides, wherein (A) an optionally basic transition metal carbonate is treated thermally at temperatures in the range from 200 to 900° C., (B) washed one or more times, and (C) then dried.

Abstract: The present invention provides a method for preparing an electrode material, comprising providing an acidic plating bath; adding titanium dioxide in the form of powder, metal salt, and reductant to said acidic plating bath to obtain a precursor; and heat treating said precursor to obtain an electrode material. When the electrode material obtained by said method is applied to batteries, the batteries have not only high capacity, but also long lifetime.

Abstract: A method for preparing a positive active material for a rechargeable lithium battery includes: a) providing a furnace and a crucible that is included in the furnace; b) putting a mixture of a composite metal precursor and a lithium compound into the crucible; and c) preparing a positive active material for a rechargeable lithium battery by firing the mixture in the crucible, wherein during the process b), the mixture in the crucible is positioned so that a minimum distance from a predetermined position inside the mixture to an exterior of the mixture in the crucible is about 5 cm or less. A rechargeable lithium made by this method is disclosed.

Abstract: A lithium-metal-oxide positive electrode having a layered or spinel structure for a non-aqueous lithium electrochemical cell and battery is disclosed comprising electrode particles that are protected at the surface from undesirable effects, such as electrolyte oxidation, oxygen loss or dissolution by one or more lithium-metal-polyanionic compounds, such as a lithium-metal-phosphate or a lithium-metal-silicate material that can act as a solid electrolyte at or above the operating potential of the lithium-metal-oxide electrode. The surface protection significantly enhances the surface stability, rate capability and cycling stability of the lithium-metal-oxide electrodes, particularly when charged to high potentials.

Abstract: The present invention relates to a preparation method of a lithium titanium composite oxide doped with a dissimilar metal, and a lithium titanium composite oxide doped with a dissimilar metal prepared thereby, and more particularly, to a preparation method of a lithium titanium composite oxide doped with a dissimilar metal in which sizes of primary particles are finely controlled by doping a dissimilar metal and using a spray-drying method, and a lithium titanium composite oxide doped with a dissimilar metal prepared thereby. According to the present invention, the preparation method of a lithium titanium composite oxide doped with a dissimilar metal, and the lithium titanium composite oxide doped with a dissimilar metal prepared thereby allow sizes of primary particles to be finely controlled as compared with conventional lithium titanium composite oxide, and inhibit rutile titanium dioxide generation, thereby providing a battery with a high initial charge-discharge efficiency and a high rate capability.

Abstract: A positive active material includes first and second lithium nickel complex oxides. A positive electrode and lithium battery include the positive active material. The positive active material, and the lithium battery including the positive active material have increased filling density, are thermally stable, and have improved capacity.

Abstract: A non-aqueous electrolyte secondary battery uses as its positive electrode active material a mixture of a first lithium-containing transition metal oxide containing nickel and manganese as transition metals and having a crystal structure belonging to the space group R3m and a second lithium-containing transition metal oxide containing nickel, cobalt, and manganese as transition metals and having a crystal structure belonging to the space group R3m, or a mixture of the first lithium-containing transition metal oxide and a lithium cobalt oxide. The first lithium-containing transition metal oxide is LiaNixMnyO2 wherein 1?a?1.5, 0.5?x+y?1, 0<x<1, and 0<y<1. The second lithium-containing transition metal oxide is LibNipMnqCorO2 wherein 1?b?1.5, 0.5?p+q+r?1, 0<p<1, 0<q<1, and 0<r<1.

Abstract: A method of preparing a positive active material for a rechargeable lithium battery includes dry-coating a surface of a material capable of doping and dedoping lithium with a carbon nanotube.

Abstract: A rechargeable lithium-sulfur cell comprising an anode, a separator and/or electrolyte, a sulfur cathode, an optional anode current collector, and an optional cathode current collector, wherein the cathode comprises (a) exfoliated graphite worms that are interconnected to form a porous, conductive graphite flake network comprising pores having a size smaller than 100 nm; and (b) nano-scaled powder or coating of sulfur, sulfur compound, or lithium polysulfide disposed in the pores or coated on graphite flake surfaces wherein the powder or coating has a dimension less than 100 nm. The exfoliated graphite worm amount is in the range of 1% to 90% by weight and the amount of powder or coating is in the range of 99% to 10% by weight based on the total weight of exfoliated graphite worms and sulfur (sulfur compound or lithium polysulfide) combined. The cell exhibits an exceptionally high specific energy and a long cycle life.

Abstract: The present invention relates to a doped lithium titanium spinel with formula I Li4?yK?yTi5?zK?zO12?xAx (I), wherein A is on or more anions selected from the group is consisting I, N, Br, Cl, F, K?, K? are each one or more cations selected from the group consisting of Na, K, Cd, Se, Te, S, Sb, As, P, Pb, Bi, Hg, Si, C and 0?x, y, z?0.4. Further, the present invention relates to an electrode comprising a layer of such lithium titanium spinel and a secondary non-aqueous electrolyte battery with such an electrode.

Abstract: The non-aqueous secondary battery of the present invention includes a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator, the negative electrode contains a negative electrode active material containing a graphitic carbon material and a composite in which a carbon coating layer is formed on a surface of a core material containing Si and O as constituent elements, the composite has a carbon content of 10 to 30 mass %, the composite has an intensity ratio I510/I1343 of a peak intensity I510 at 510 cm?1 derived from Si to a peak intensity I1343 at 1343 cm?1 derived from carbon of 0.25 or less when a Raman spectrum of the composite is measured at a laser wavelength of 532 nm, and the half-width of the (111) diffraction peak of Si is less than 3.0° when the crystallite size of an Si phase contained in the core material is measured by X-ray diffractometry using CuK? radiation.

Abstract: Provided is an electrode active material comprising a nickel-based lithium transition metal oxide (LiMO2) wherein the nickel-based lithium transition metal oxide contains nickel (Ni) and at least one transition metal selected from the group consisting of manganese (Mn) and cobalt (Co), wherein the content of nickel is 50% or higher, based on the total weight of transition metals, and has a layered crystal structure and an average primary diameter of 3 ?m or higher, wherein the amount of Ni2+ taking the lithium site in the layered crystal structure is 5.0 atom % or less.

Abstract: High capacity lithium-ion electrochemical cells are provided that include positive electrode comprising a layered lithium transition metal oxide having a first irreversible capacity and a negative electrode that includes an alloy anode material that also has a first irreversible capacity. The first irreversible capacity of the positive electrode is less than the first irreversible capacity of the negative electrode. The discharge voltage curve of the positive electrode covers at least 10% of its capacity at voltages below 3.5 V ea) vs. Li/Li+. The average discharge voltage of the positive electrode is above 3.75 V vs. Li/Li+ when the cell is discharged from about 4.6 V vs. Li/Li+ to about 2.5 V vs. Li/Li+ at a rate of C/10 or slower and when the electrochemical cell is discharged to a final discharge voltage of about 2.5 V vs. Li/Li+ or greater.

Abstract: This invention provides a multi-layer article comprising a first electrode material, a second electrode material, and a porous separator disposed between and in contact with the first and the second electrode materials, wherein the porous separator comprises a nanoweb consisting essentially of a plurality of nanofibers of a fully aromatic polyimide. Also provided is a method for preparing the multi-layer article, and an electrochemical cell employing the same. A multi-layer article comprising a polyimide nanoweb with enhanced properties is also provided.

Abstract: A non-aqueous secondary battery contains a positive electrode, a negative electrode, a separator and a non-aqueous electrolytic solution. The positive electrode contains a layered structure lithium-containing compound oxide, or a spinel lithium-containing compound oxide containing manganese as an active material. The non-aqueous electrolytic solution contains at least one additive selected from a sulfonic acid anhydride, a sulfonate ester derivative, a cyclic sulfate derivative and a cyclic sulfonate ester derivative, and a vinylene carbonate or a derivative of the vinylene carbonate.

Abstract: A compound comprising a composition Ax(M?1?aM?a)y(XD4)z, Ax(M?1?aM?a)y(DXD4)z, or Ax(M?1?aM?a)y(X2D7)z, (A1?aM?a)xM?y(XD4)z, (A1?aM?a)xM?y(DXD4)z, or (A1?aM?a)xM?y(X2D7)z. In the compound, A is at least one of an alkali metal and hydrogen, M? is a first-row transition metal, X is at least one of phosphorus, sulfur, arsenic, molybdenum, and tungsten, M? any of a Group IIA, IIIA, IVA, VA, VIA, VIIA, VIIIA, IB, IIB, IIIB, IVB, VB, and VIB metal, D is at least one of oxygen, nitrogen, carbon, or a halogen, 0.0001<a?0.1, and x, y, and z are greater than zero. The compound can be used in an electrochemical device including electrodes and storage batteries.

Abstract: In general, according to one embodiment, an active material for battery includes a monoclinic complex oxide. The monoclinic complex oxide is expressed by the general formula LixM1M22O(7±?) (wherein M1 is at least one element selected from the group consisting of Ti, Zr, Si, and Sn, M2 is at least one element selected from the group consisting of Nb, V, Ta, Bi, and Mo, 0?x?5, and 0???0.3), and has symmetry belonging to the space group C2/m (International tables Vol. A No. 12), and one element of the M2 or M1 being maldistributed in the occupied 2a and 4i sites in a crystal of the monoclinic complex oxide.

Abstract: A lithium secondary battery is provided which can exhibit excellent battery performances for a long period of time and has an excellent crystal structure stability. The positive electrode of the lithium secondary battery provided according to the present invention includes positive electrode active material particles mainly containing a lithium-containing phosphate compound represented by the general formula: LixM[P(1-y)Ay]O4, where M is one or two or more elements selected from the group consisting of Ni, Mn, Fe and Co; A is a pentavalent metal element; and x and y are real numbers satisfying 0<x?2 and 0<y?0.15.

Abstract: According to one embodiment, there are provided an active material for a battery having a high effective capacity, a nonaqueous electrolyte battery, and a battery pack. The active material contains a niobium-titanium composite oxide. When the active material is subjected to powder X-ray diffraction (XRD) using a Cu-K? ray source, a peak appears in a range of 2?=5°±0.5° in the diffraction pattern.

Abstract: The positive electrode of a lithium ion secondary battery includes active material particles represented by LixNi1?yMyMezO2+?, and the active material particles include a lithium composite oxide represented by LixNi1?yMyO2, (where 0.95?x?1.1, 0<y?0.75, 0.001?z?0.05). The element M is selected from the group consisting of alkaline-earth elements, transition elements, rare-earth elements, IIIb group elements and IVb group elements. The element Me is selected from the group consisting of Mn, W. Nb, Ta, In, Mo, Zr and Sn, and the element Me is included in a surface portion of the active material particles. The lithium content x in the lithium composite oxide in an end-of-discharge state when a constant current discharge is performed at a temperature of 25° C. with a current value of 1C and an end-of-discharge voltage of 2.5 V satisfies 0.85?x??0.013Ln(z)+0.871.

Abstract: Disclosed is a cathode active material comprising a lithium-free metal oxide and a material with high irreversible capacity. A novel lithium ion battery system using the cathode active material is also disclosed. The battery, comprising a cathode using a mixture of a Li-free metal oxide and a material with high irreversible capacity, and an anode comprising carbon instead of Li metal, shows excellent safety compared to a conventional battery using lithium metal as an anode. Additionally, the novel battery system has a higher charge/discharge capacity compared to a battery using a conventional cathode active material such as lithium cobalt oxide, lithium nickel oxide or lithium manganese oxide.

Abstract: The present invention relates to a sheet composite of a metal oxide active material and a fibrous carbon that can yield an electrode or an electrochemical element which achieves output property and high energy density, as well as a manufacturing method thereof. The present invention is a sheet composite of a composite material of a metal compound capable of occluding and releasing lithium supported on a carbon material molded in a sheet-shape with a fibrous carbon binder, wherein the fibrous carbon binder of the composite material comprises any of carbon nanotubes, carbon nanofibers, and carbon fibers having a specific surface area of less than 600 m2/g.

Abstract: In general, according to one embodiment, the active material for a battery contains a niobium composite oxide represented by the formula: LixM(1-y)NbyNb2O(7+?). M represents at least one kind selected from the group consisting of Ti and Zr. X, y, and ? are numbers respectively satisfying the following: 0?x?6, 0?y?1, and ?1???1). The pH of the active material for a battery is from 7.4 to 12.5.

Abstract: Sodium titanium oxide is used as an anode active material for a sodium battery to improve the cycle properties of the sodium battery. For example, the anode active material is preferably a sodium titanium oxide having the following composition formula (1) or (2). Na2+XTi3O7 (0?X?0.9) Composition formula (1) Na4+XTi5O12 (0?X?1.0) Composition formula (2) The sodium titanium oxide may have the following composition formula by reducing the water content of the battery and optimizing the particle size of the active material. Na2+XTi3O7 (0?X?2.0) Composition formula (1?) Na4+XTi5O12 (0?X?2.

Abstract: An electrode for an electrochemical energy store, including an active material layer having an active material, a protective layer being at least partially applied to the active material, and the protective layer at least partially including a fluorophosphate-based material. Such an electrode offers a particularly high stability, even when high voltages are present. Also described is a method for manufacturing an electrode, to an electrochemical energy store and to the use of a fluorophosphate-based material for generating a protective layer for an active material of an electrode of an electrochemical energy store.

Abstract: An active material composition includes a porous graphene nanocage and a source material. The source material may be a sulfur material. The source material may be an anodic material. A lithium-sulfur battery is provided that includes a cathode, an anode, a lithium salt, and an electrolyte, where the cathode of the lithium-sulfur battery includes a porous graphene nanocage and a sulfur material and at least a portion of the sulfur material is entrapped within the porous graphene nanocage. Also provided is a lithium-air battery that includes a cathode, an anode, a lithium salt, and an electrolyte, where the cathode includes a porous graphene nanocage and where the cathode may be free of a cathodic metal catalyst.

Abstract: Disclosed are precursor particles of a lithium composite transition metal oxide for lithium secondary batteries, wherein the precursor particles of a lithium composite transition metal oxide are composite transition metal hydroxide particles including at least two transition metals and having an average diameter of 1 ?m to 8 ?m, wherein the composite transition metal hydroxide particles exhibit monodisperse particle size distribution and have a coefficient of variation of 0.2 to 0.7, and a cathode active material including the same.

Abstract: Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature.

Abstract: A method of forming a carbon coating includes heat treating lithium transition metal composite oxide Li0.9+aMbM?cNdOe, in an atmosphere of a gas mixture including carbon dioxide and compound CnH(2n+2?a)[OH]a, wherein n is 1 to 20 and a is 0 or 1, or compound CnH(2n), wherein n is 2 to 6, wherein 0?a?1.6, 0?b?2, 0?c?2, 0?d?2, b, c, and d are not simultaneously equal to 0, e ranges from 1 to 4, M and M? are different from each other and are selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, and Ba, and N is different from M and M? and is selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, Ba, and a combination thereof, or selected from Ti, V, Si, B, F, S, and P, and at least one of the M, M?, and N comprises Ni, Co, Mn, Mo, Cu, or Fe.

Abstract: Process for the preparation of electrodes from a porous material making it possible to obtain electrodes that are useful in electrochemical systems and that have at least one of the following properties: a high capacity in mAh/gram, a high capacity in mAh/liter, a good capacity for cycling, a low rate of self discharge, and a good environmental tolerance.

Abstract: In one embodiment, an active cathode material comprises a mixture that includes: at least one of a lithium cobaltate and a lithium nickelate; and at least one of a manganate spinel represented by an empirical formula of Li(1+x1)(Mn1?y1A?y1)2?x1Oz1 and an olivine compound represented by an empirical formula of Li(1?x2)A?x2MPO4. In another embodiment, an active cathode material comprises a mixture that includes: a lithium nickelate selected from the group consisting of LiCoO2-coated LiNi0.8Co0.15Al0.05O2, and Li(Ni1/3Co1/3Mn1/3)O2; and a manganate spinel represented by an empirical formula of Li(1+x7)Mn2?y7Oz7. A lithium-ion battery and a battery pack each independently employ a cathode that includes an active cathode material as described above.

Abstract: The present invention aims at providing lithium manganate having a high output and an excellent high-temperature stability. The above aim can be achieved by lithium manganate particles having a primary particle diameter of not less than 1 ?m and an average particle diameter (D50) of kinetic particles of not less than 1 ?m and not more than 10 ?m, which are substantially in the form of single crystal particles and have a composition represented by the following chemical formula: Li1+xMn2-x-yYyO4 in which Y is at least one element selected from the group consisting of Al, Mg and Co; x and y satisfy 0.03?x?0.15 and 0.05?y?0.20, respectively, wherein the Y element is uniformly dispersed within the respective particles, and an intensity ratio of I(400)/I(111) thereof is not less than 33% and an intensity ratio of I(440)/I(111) thereof is not less than 16%.

Abstract: A layered structure lithium mixed metal oxide obtained by a method including a step of calcining a lithium mixed metal oxide raw material containing a transition metal element and a lithium element in a molar ratio of the lithium element to the transition metal element of 1 or more and 2 or less, in the presence of an inactive flux containing one or more compounds selected from the group consisting of a carbonate of M, a sulfate of M, a nitrate of M, a phosphate of M, a hydroxide of M, a molybdate of M, and a tungstate of M, wherein M represents one or more elements selected from the group consisting of Na, K, Rb, Cs, Ca, Mg, Sr and Ba.

Abstract: Provided is a lithium secondary battery having improved discharge characteristics in a range of high-rate discharge while minimizing a dead volume and at the same time, having increased cell capacity via increased electrode density and electrode loading amounts, by inclusion of two or more active materials having different redox levels so as to exert superior discharge characteristics in the range of high-rate discharge via sequential action of cathode active materials in a discharge process, and preferably having different particle diameters.

Abstract: A composite positive active material including an over-lithiated lithium transition metal oxide, the over-lithiated transition metal oxide including a compound represented by Formula 1 or Formula 3: [Formula 1] xLi2-yM?yMO3-(1-x)LiM?O2, [Formula 3] xLi2-yM?yMO3-x?LiM?O2-x?Li1+dM??2-dO4, x+x?+x?=1, 0<x<1, 0<x?<1, 0<x?<1, 0<y?1, and 0?d?0.33, is disclosed. A positive electrode and a lithium battery containing the composite positive active material, and a method of preparing the composite positive active material are also disclosed.

Abstract: The invention offers an electrode material that can accomplish both high capacity and high output and a battery, a nonaqueous-electrolyte battery, and a capacitor all incorporating the electrode material. The electrode material has a sheet-shaped aluminum porous body carrying an active material. The above-described aluminum porous body has a skeleton structure that is formed of an aluminum layer and that has a vacant space at the interior. When observed by performing cutting in a direction parallel to the direction of thickness of the sheet, the above-described vacant space in the skeleton structure has an average area of 500 ?m2 or more and 6,000 ?m2 or less.

Abstract: A method of manufacturing a lithium ion secondary battery comprising the steps of: forming a laminate by laminating an electrolyte green sheet and a positive electrode green sheet; and sintering the laminate is provided. At least one of the electrolyte green sheet and the positive electrode green sheet contains an amorphous oxide glass powder in which a crystalline having a lithium ion conducting property is precipitated in the step of sintering. A solid state battery produced in accordance with the method is provided.