Solid-state battery structures and methods of manufacturing solid-state batteries, such as thin-film batteries, are disclosed. More particularly, embodiments relate to solid-state batteries having an intermediate adhesive layer between several electrochemical cells. In an embodiment, an anode current collector at least partially fills a notch in a periphery of the intermediate adhesive layer. Other embodiments are also described and claimed.

A secondary battery separator includes a porous substrate; and a porous layer laminated on at least one surface of the porous substrate, the porous layer comprising fluorine resin particles and inorganic particles; wherein the fluorine resin particles are formed using a fluorine resin having a weight-average molecular weight of 100,000 or more and 5,000,000 or less, and have an average particle size of 0.01 μm or more and 1.00 μm or less; and wherein the inorganic particles have an average particle size of 0.10 μm or more and 5.0 μm or less.

A secondary battery separator includes a porous substrate; and a porous layer laminated on at least one surface of the porous substrate, the porous layer comprising fluorine resin particles and inorganic particles; wherein the fluorine resin particles are formed using a fluorine resin having a weight-average molecular weight of 100,000 or more and 5,000,000 or less, and have an average particle size of 0.01 μm or more and 1.00 μm or less; and wherein the inorganic particles have an average particle size of 0.10 μm or more and 5.0 μm or less.

A fire suppression apparatus is described that includes a base and a lid. The base has an opening and walls defining an internal area. The base also includes a sleeve with a portion positioned in the internal area and around a perimeter of the walls, and the sleeve defines a region of the internal area for placing an object. The sleeve also has an opening for placing the object into the region. The base further has a first fire suppressing powder positioned in the internal area between the sleeve and the walls. The lid covers the opening of the base, and has a cavity, a second fire suppressing powder contained inside the cavity, and a divider positioned to cover the cavity of the lid. Methods for suppressing a fire of an object are also described.

A secondary battery is provided for cycling between a charged and a discharged state, the secondary battery including a battery enclosure, an electrode assembly, carrier ions, a non-aqueous liquid electrolyte within the battery enclosure, and a set of electrode constraints. The set of electrode constraints includes a primary constraint system having first and second primary growth constraints and at least one primary connecting member, the first and second primary growth constraints separated from each other in the longitudinal direction, wherein the primary constraint array restrains growth of the electrode assembly in the longitudinal direction such that any increase in the Feret diameter of the electrode assembly in the longitudinal direction over 20 consecutive cycles of the secondary battery is less than 20%. The set of electrode constraints further includes a secondary constraint system having first and second secondary growth constraints connected by at least one secondary connecting member, wherein the secondary constraint system at least partially restrains growth of the electrode assembly in a second direction upon cycling of the secondary battery.

A secondary battery is provided for cycling between a charged and a discharged state, the secondary battery including a battery enclosure, an electrode assembly, carrier ions, a non-aqueous liquid electrolyte within the battery enclosure, and a set of electrode constraints. The set of electrode constraints includes a primary constraint system having first and second primary growth constraints and at least one primary connecting member, the first and second primary growth constraints separated from each other in the longitudinal direction, wherein the primary constraint array restrains growth of the electrode assembly in the longitudinal direction such that any increase in the Feret diameter of the electrode assembly in the longitudinal direction over 20 consecutive cycles of the secondary battery is less than 20%. The set of electrode constraints further includes a secondary constraint system having first and second secondary growth constraints connected by at least one secondary connecting member, wherein the secondary constraint system at least partially restrains growth of the electrode assembly in a second direction upon cycling of the secondary battery.

An electrode assembly includes a unit cell A in which a first electrode 110, a second electrode 120, and a separator 130 disposed between the first and second electrodes 110 and 120 are stacked on each other or a structure in which the unit cells A are repeatedly stacked with the separator therebetween. A first electrode tab 111 protrudes from the first electrode 110, and a second electrode tab 121 protrudes from the second electrode 120, and the electrodes tabs 111 and 121 have widths that gradually decrease in directions in which the electrodes tabs 111 and 121 protrude outward from the electrodes 110 and 120, respectively.

An electrode assembly includes a unit cell A in which a first electrode 110, a second electrode 120, and a separator 130 disposed between the first and second electrodes 110 and 120 are stacked on each other or a structure in which the unit cells A are repeatedly stacked with the separator therebetween. A first electrode tab 111 protrudes from the first electrode 110, and a second electrode tab 121 protrudes from the second electrode 120, and the electrodes tabs 111 and 121 have widths that gradually decrease in directions in which the electrodes tabs 111 and 121 protrude outward from the electrodes 110 and 120, respectively.

The present invention relates to a multi-layer structured lithium metal electrode and a method for manufacturing the same and, specifically, to a multi-layer structured lithium metal electrode comprising: a buffer layer of lithium nitride (Li3N) formed on a lithium metal plate; and a protective layer of LiBON formed on the buffer layer, and to a method for manufacturing a multi-layer structured lithium metal electrode by continuously forming a lithium nitride buffer layer and a LiBON protective layer on a lithium metal plate through continuous reactive sputtering multi-layer structured lithium metal electrode multi-layer structured lithium metal electrode lithium metal plate multi-layer structured lithium metal electrode lithium metal plate. The multi-layer structured lithium metal electrode of the present invention can protect the reactivity of the lithium metal from moisture or an environment within a battery, and prevent the formation of dendrites, by forming the protective layer.

The present invention relates to a multi-layer structured lithium metal electrode and a method for manufacturing the same and, specifically, to a multi-layer structured lithium metal electrode comprising: a buffer layer of lithium nitride (Li3N) formed on a lithium metal plate; and a protective layer of LiBON formed on the buffer layer, and to a method for manufacturing a multi-layer structured lithium metal electrode by continuously forming a lithium nitride buffer layer and a LiBON protective layer on a lithium metal plate through continuous reactive sputtering multi-layer structured lithium metal electrode multi-layer structured lithium metal electrode lithium metal plate multi-layer structured lithium metal electrode lithium metal plate. The multi-layer structured lithium metal electrode of the present invention can protect the reactivity of the lithium metal from moisture or an environment within a battery, and prevent the formation of dendrites, by forming the protective layer.