Abstract: A main object of the present disclosure is to provide an all solid state battery in which the reversibility of the deposition and dissolution reaction of a metal Li can be improved while inhibiting an occurrence of short circuit. The above object is achieved by providing an all solid state battery utilizing a deposition and dissolution reaction of a metal Li as an anode reaction, the all solid state battery comprising: an anode current collector, a porous layer comprising a resin, a solid electrolyte layer, a cathode active material layer, and a cathode current collector, in this order; wherein an electric resistance of the porous layer is 1? or more and 690? or less; and a thickness of the porous layer is 14 ?m or less.

Abstract: A secondary battery of the present disclosure includes a positive electrode, an electrolyte layer, a negative electrode current collector, and metallic lithium as a negative electrode active material that is deposited between the electrolyte layer and the negative electrode current collector by charging, an intermediate layer is present between the electrolyte layer and the negative electrode current collector, and the intermediate layer contains hydrogen boride.

Abstract: The secondary battery includes a positive electrode, a solid electrolyte layer, a negative electrode current collector, and metallic lithium as a negative electrode active material deposited between the solid electrolyte layer and the negative electrode current collector by charging, wherein a Mg mixture layer is present between the solid electrolyte layer and the negative electrode current collector, the solid electrolyte layer includes a first solid electrolyte, Mg mixture layer includes a Mg and a second solid electrolyte, and a Young's modulus of the second solid electrolyte is lower than a Young's modulus of the first solid electrolyte.

Abstract: The lithium sulfur battery of the present disclosure includes a positive electrode, a first electrolyte layer, a second electrolyte layer, and a negative electrode, wherein the first electrolyte layer is disposed between the positive electrode and the second electrolyte layer, and is in contact with the positive electrode, the second electrolyte layer is disposed between the first electrolyte layer and the negative electrode, the first electrolyte layer includes a hydride solid electrolyte, the hydride solid electrolyte includes a complex ion including Li cations and H, and the second electrolyte layer includes an electrolyte that differs from the hydride solid electrolyte.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which the reversibility of the deposition and dissolution reaction of a metal Li can be improved while inhibiting an occurrence of short circuit. The above object is achieved by providing an all solid state battery utilizing a deposition and dissolution reaction of a metal Li as an anode reaction, the all solid state battery comprising: an anode current collector, a porous layer comprising a resin, a solid electrolyte layer, a cathode active material layer, and a cathode current collector, in this order; wherein an electric resistance of the porous layer is 1? or more and 690? or less; and a thickness of the porous layer is 14 ?m or less.

Abstract: A main object of the present disclosure is to provide an all solid state battery with high coulomb efficiency even when the thickness of an anode active material layer is varied due to charge and discharge. The above object is achieved by providing an all solid state battery comprising: a power generation element including a cathode, a solid electrolyte layer, and an anode, in this order, and an exterior body storing the power generation element, and the anode includes at least an anode current collector, and the anode current collector includes a current collection part, and an elastic part placed on other side of the solid electrolyte layer, with respect to the current collection part.

Abstract: A main object of the present disclosure is to provide an all solid state battery with high coulomb efficiency even when the thickness of an anode active material layer is varied due to charge and discharge. The above object is achieved by providing an all solid state battery comprising: a power generation element including a cathode, a solid electrolyte layer, and an anode, in this order, and an exterior body storing the power generation element, and the anode includes at least an anode current collector, and the anode current collector includes a current collection part, and an elastic part placed on other side of the solid electrolyte layer, with respect to the current collection part.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery comprising an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing Mg is arranged between the anode current collector and the solid electrolyte layer; the protective layer includes a mixture layer including a Mg-containing particle containing the Mg, and a solid electrolyte; and in the protective layer, Mg concentration increases stepwisely or continuously from a first surface which is the solid electrolyte layer side towards a second surface which is the anode current collector side.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery comprising an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing Mg is arranged between the anode current collector and the solid electrolyte layer; and the protective layer includes a mixture layer including a Mg-containing particle containing the Mg, and a solid electrolyte.

Abstract: Provided is an all-solid-state battery with high charge-discharge efficiency. Disclosed is an all-solid-state battery, wherein the all-solid-state battery comprises a cathode comprising a cathode layer, an anode comprising an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer; wherein the anode layer contains at least one selected from the group consisting of a lithium metal and a lithium alloy; and wherein a protective layer comprising a composite metal oxide represented by Li-M-O (where M is at least one metal element selected from the group consisting of Mg, Au, Al and Sn) is disposed between the anode layer and the solid electrolyte layer.

Abstract: A main object of the present disclosure is to provide a lithium solid battery in which the coulomb efficiency of the battery upon deposition and dissolution of a metal lithium is improved. The above object is achieved by providing a lithium solid battery comprising: an anode current collector, a solid electrolyte layer, a cathode active material layer, and a cathode current collector; wherein the lithium solid battery comprises a Li storing layer between the anode current collector and the solid electrolyte layer; an amount of Li storage of the Li storing layer to a cathode charging capacity is 0.13 or more; and a thickness of the Li storing layer is 83 ?m or less.

Abstract: Provided is an all-solid-state battery with high charge-discharge efficiency. Disclosed is an all-solid-state battery, wherein the all-solid-state battery comprises a cathode comprising a cathode layer, an anode comprising an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer; wherein the anode layer contains at least one selected from the group consisting of a lithium metal and a lithium alloy; and wherein a protective layer comprising a composite metal oxide represented by Li—M—O (where M is at least one metal element selected from the group consisting of Mg, Au, Al and Sn) is disposed between the anode layer and the solid electrolyte layer.

Abstract: An all-solid-state cell, having improved short-circuit resistance, comprises a first electrode layer, a first solid electrolyte layer, a second solid electrolyte layer, and a second electrode layer in this order, wherein the first solid electrolyte layer has a first surface, the second solid electrolyte layer has a second surface in contact with the first surface, and a maximum height Rz1 of the first surface and a maximum height Rz2 of the second surface satisfy the following relation (1): 0.15?Rz1/Rz2?0.

Abstract: Provided is an all-solid-state battery with high charge-discharge efficiency, and a method for producing the all-solid-state battery. Disclosed is an all-solid-state battery, wherein a lithium metal precipitation-dissolution reaction is used as an anode reaction; wherein the all-solid-state battery comprises a cathode comprising a cathode layer, an anode comprising an anode current collector and an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer; wherein the anode layer contains, as an anode active material, a single ?-phase alloy of a lithium metal and a magnesium metal; and wherein a percentage of the lithium element in the alloy is 81.80 atomic % or more and 99.97 atomic % or less when the all-solid-state battery is fully charged.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery comprising an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also containing a polymer, is arranged between the anode current collector and the solid electrolyte layer; the solid electrolyte layer contains a solid electrolyte in a granular shape; and when X designates an average particle size D50 of the solid electrolyte and Y designates an average thickness of the solid electrolyte layer, X/Y is 0.0125 or more and 0.02 or less.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery comprising an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also containing a polymer, is arranged between the anode current collector and the solid electrolyte layer.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery including an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also contains a polymer, is arranged between the anode current collector and the solid electrolyte layer; and a contacting area rate in an interface between the solid electrolyte layer and the protective layer is 50% or more.

Abstract: Provided is an all-solid-state battery with high charge-discharge efficiency. Disclosed is an all-solid-state battery, wherein the all-solid-state battery comprises a cathode comprising a cathode layer, an anode comprising an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer; wherein the anode layer contains at least one selected from the group consisting of a lithium metal and a lithium alloy; and wherein a protective layer comprising a composite metal oxide represented by Li-M-O (where M is at least one metal element selected from the group consisting of Mg, Au, Al and Sn) is disposed between the anode layer and the solid electrolyte layer.

Abstract: Provided is an all-solid-state battery with high charge-discharge efficiency. Disclosed is an all-solid-state battery, wherein the all-solid-state battery comprises a cathode comprising a cathode layer, an anode comprising an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer; wherein the anode layer contains at least one selected from the group consisting of a lithium metal and a lithium alloy; and wherein a protective layer comprising a composite metal oxide represented by Li—M—O (where M is at least one metal element selected from the group consisting of Mg, Au, Al and Sn) is disposed between the anode layer and the solid electrolyte layer.

Abstract: To improve the capacity of an all-solid-state battery, a method of manufacturing an all-solid-state battery having a cathode that contains sulfur include: performing initial charge and discharge separately at least in three cycles until a capacity of the battery reaches a design capacity, wherein a charge discharge capacity in a first cycle is at most 30% of the design capacity, and charge and discharge in a second cycle and after are performed, so that a charge discharge capacity in an n-th cycle is increased at least 1.15 times as much as a charge discharge capacity in an (n-1)-th cycle.