A battery includes a first power generation element, a first outer cover body which encloses the first power generation element, and a first planar electrode having, as principal surfaces, a first connecting surface and a first protruding surface opposite the first connecting surface. The first connecting surface is electrically connected to the first power generation element. The first outer cover body includes a first covering portion provided with a first opening. The first protruding surface protrudes from the first opening toward an outside of the first covering portion. The first covering portion is joined to at least one of the first planar electrode and the first power generation element.

Provided is a bi-polar electrode for a battery, wherein the bi-polar electrode comprises: (a) a current collector comprising a conductive material foil (e.g. metal foil) having a thickness from 10 nm to 100 m and two opposed, parallel primary surfaces, wherein one or both of the primary surfaces is coated with a layer of graphene material having a thickness from 10 nm to 10 m; and (b) a negative electrode layer and a positive electrode layer respectively disposed on the two sides of the current collector, each in physical contact with the layer of graphene material or directly with a primary surface of the conductive material foil (if not coated with a graphene material layer). Also provided is a battery comprising multiple (e.g. 2-300) bipolar electrodes internally connected in series. There can be multiple bi-polar electrodes that are connected in parallel.

A battery includes a stacked arrangement of electrochemical cells. Each electrochemical cell is free of a cell housing and includes a bipolar plate having a substrate, a first active material layer formed on a first surface of the substrate, and a second active material layer formed on a second surface of the substrate. Each cell includes a solid electrolyte layer that encapsulates at least one of the active material layers, and an edge insulating device that is disposed between the peripheral edges of the substrates of each pair of adjacent cells. The edge insulating device physically contacts and is directly secured to one of the first surface of one cell and the solid electrolyte layer of an adjacent cell, and is movable relative to, the other of the first surface of the one cell and the solid electrolyte layer of the adjacent cell.

A battery includes a stacked arrangement of electrochemical cells. Each electrochemical cell is free of a cell housing and includes a bipolar plate having a substrate, a first active material layer formed on a first surface of the substrate, and a second active material layer formed on a second surface of the substrate. Each cell includes a solid electrolyte layer that encapsulates at least one of the active material layers, and an edge insulating device that is disposed between the peripheral edges of the substrates of each pair of adjacent cells. Within each cell, the substrate includes a surface feature that is engaged with a corresponding feature of the edge insulating device in such a way as to locate the edge insulating device relative to the bipolar plate.

A bipolar battery may comprise first, second, and third bipolar electrodes that are physically and electrically isolated from one another by intervening non-liquid electrolyte layers. Each of the bipolar electrodes may comprise a bipolar current collector including a first electroactive material layer connected to a first side thereof and a second electroactive material layer connected to a second side thereof. Each electroactive material layer may comprise at least one of: (i) a lithium ion battery positive electrode material, (ii) a lithium ion battery negative electrode material, and/or (iii) a capacitor electrode material. At least one of the electroactive material layers comprises a capacitor electrode material.

A battery includes a first power generation element, a first outer cover body which encloses the first power generation element, and a first planar electrode having, as principal surfaces, a first connecting surface and a first protruding surface opposite the first connecting surface. The first connecting surface is electrically connected to the first power generation element. The first outer cover body includes a first covering portion provided with a first opening. The first protruding surface protrudes from the first opening toward an outside of the first covering portion. The first covering portion is joined to at least one of the first planar electrode and the first power generation element.

A lithium-ion battery cell is formed of a layer of anode material comprising a mixture of anode active material particles and particles of a first solid electrolyte composition, an electrolyte layer of solid electrolyte particles of a second solid electrolyte composition, and a layer of cathode material comprising a mixture of cathode active material particles and particles of a third solid electrolyte compositions. In the cell, the three solid electrolyte compositions are varied to enhance the performance of the cell. Layers of interlayer material are placed between one or both of the layers of electrode material and the solid electrolyte material and/or between electrolyte layers. And, optionally, the otherwise solid-state cell is infiltrated with a suitable liquid electrolyte. These variables are managed to enhance macro/micro interfaces between the solid materials and layers and to improve the electrochemical performance of the cell, especially for high-voltage cathode material.

A battery component includes a polymer frame having at least one window, the polymer frame having a first planar side and an opposite second planar side, and a window edge between the first and second planar sides. The battery component also has a battery cell component having a separator and bipolar current collector, the battery cell component being attached to the frame, the separator or bipolar current collector being attached to the first planar side or the window edge. A battery stack, a method for handling the battery component as an individual unit are also provided, electric vehicle battery and electric vehicle are also provided.

The invention relates to devices incorporating thin, lightweight electrochemical cells and their method of manufacture, whereby a thin flexible pouch-type cell (1) comprises at least one pair of overlying electrode layers separated from one another by an intermediate electrolyte layer (13), the cell exterior being defined by first and second laminated sheets (3, 9) sealed together, wherein each laminated sheet (3, 9) has an outermost layer (3a, 9a) forming a respective external face of the cell (1) and a coextensive, innermost, conductive layer (3b, 9b) that acts as a current collector layer (3b, 9b) and which supports an electrode layer (5, 11), although the conductive layer may also itself act as the active electrode layer.

Provided is an all-solid-state battery configured to suppress the collapse of an end in the plane direction of an electrode laminate. Disclosed is an all-solid-state battery comprising an electrode laminate that 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 a resin layer containing a polymer is disposed in at least a part of an end in a plane direction of the electrode laminate, the polymer having a self-healing function and a structure crosslinked via bonding between a host molecule and a guest molecule.