To suppress heat generation in a stacked battery including a plurality of electric elements in internal short circuits and an unstable reaction when the battery is operated while an energy level is increased, the stacked battery includes a stack, wherein the stack comprises a first current collector layer that composes one end face in a stacking direction of the stack, a second current collector layer that composes another end face in the stacking direction, a plurality of bipolar current collector layers that are arranged between the first and second current collector layers at intervals in the stacking direction, and a plurality of electric elements that are electrically connected to each other in series via the bipolar current collector layers between the first and second current collector layers, each of the electric elements comprises a cathode active material layer, an anode active material layer, and an electrolyte layer that is arranged between the cathode and anode active material layers, and the ratio h/S (cm.sup.1) of a length h (cm) between the one end face and the other end face in the stacking direction of the stack to an electrode area S (cm.sup.2) on a cross section orthogonal to the stacking direction of the stack is more than 1.

An energy storage module, particularly a solid state battery, an energy storage system, a vehicle and a method for measuring an electrical voltage on an energy storage module or on an energy storage system is based on two stacked and series-connected energy storage cells, each have an anode layer and a cathode layer. A contact, which is electrically connected to an anode layer located within the stack of a first energy storage cell and to a cathode layer located within the stack of a second energy storage cell, which is adjacent to the first energy storage cell, leads out of the stack such that at least one contact can be contacted from outside the stack.

A solid state battery (10) including a stack of cells (22), each cell comprising a positive electrode (12), a negative electrode (14) and a solid electrolyte (16) disposed between the positive electrode (12) and the negative electrode (14), wherein a current collector (18) is disposed between the negative electrode (14) of a first cell (20A) and the positive electrode (12) of a second cell (20B), the second cell (20B) being adjacent to the first cell (20A), the solid state battery (10) comprising an ionic conductor (26) having two configurations, a normal configuration wherein the ionic conductor (26) is not in contact with the current collector (18) and a short-circuit configuration wherein the ionic conductor (26) is in contact with the current collector (18), the negative electrode (14) of the first cell (20A) and the positive electrode (12) of the second cell (20B) and wherein the ionic conductor (26) has an ionic conductivity which smaller than an electronic conductivity of the current collector (18).

Elements of an electrochemical cell using an end to end process. The method includes depositing a planarization layer, which manufactures embedded conductors of said cell, allowing a deposited termination of optimized electrical performance and energy density. The present invention covers the technique of embedding the conductors and active layers in a planarized matrix of PML or other material, cutting them into discrete batteries, etching the planarization material to expose the current collectors and terminating them in a post vacuum deposition step.

The present disclosure provides a battery and method for preparing the same. The battery includes a cell and an electrolyte; the cell includes a positive electrode plate, a negative electrode plate and a separator. Wherein in the battery, at least one surface of the positive electrode film and/or the negative electrode film is provided with protrusions, with a proviso that: 0.3(T.sub.c+T.sub.a)/(H.sub.c+H.sub.a)1; wherein T.sub.c is a height of the protrusions provided on the at least one surface of the positive electrode film, T.sub.a is a height of the protrusions provided on the at least one surface of the negative electrode film, H.sub.c is a thickness increase of the positive electrode film when the battery has a 100% SOC, H.sub.a is a thickness increase of the negative electrode film when the battery has a 100% SOC.

An improved battery cell structure comprises an inner electrode plate having an inner electrode ear, an outer electrode plate having an outer electrode ear, and a partition plate superposed between the inner electrode plate and the outer electrode plate; the unique battery cell structure design rests on the external shape that can be regular or irregular, so that the inner electrode ear and the outer electrode ear can be arbitrarily configured according to the shape to fully utilize the space and easily install or accommodate in the space confined by the carrier. The stacked battery structure composed of plural sets of battery cell can effectively improve the battery efficiency.

The present disclosure provides a lithium ion battery including a positive electrode plate, a negative electrode plate, a separator, and an electrolyte. The positive electrode plate includes a positive electrode current collector, and a positive electrode film disposed on a surface of the positive electrode current collector and containing a positive electrode active material. The positive electrode active material includes a matrix, a first coating layer on the matrix in form of discrete islands, and a second coating layer on the first coating layer and the matrix as a continuous layer. The electrolyte includes an additive A and an additive B. The additive A is selected from a group consisting of cyclic sultone compounds represented by Formula 1 and Formula 2, and combinations thereof, and the additive B is one or two selected from lithium difluorobisoxalate phosphate and lithium tetrafluorooxalate phosphate.

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A power storage unit includes an end surface located at one end of the power storage unit in a direction, an end surface located at the other end of the power storage unit in the direction, a side surface connecting the end surface and the end surface, and a side surface located opposite to the side surface. A terminal and a terminal are provided on a side surface side and are connected to an apparatus arranged on the side surface side, and the wire extends in a direction from the side surface toward the side surface and is connected to an apparatus provided on a side surface side.

A main object of the present disclosure is to provide a method for producing a layered battery with which a layered battery with high structural reliability can be produced. The present disclosure achieves the object by providing the method including: a preparing step of preparing an electrode layered body including a plurality of electrode layered in a z axis direction; an arranging step of arranging a liquid injection frame made of a resin including a liquid injection port, in a side surface of the electrode layered body; a liquid injection step of injecting a liquid electrolyte into the electrode layered body from the liquid injection port of the liquid injection frame; a first sealing step of sealing the liquid injection port by arranging a first member including a resin layer A on a surface of the liquid injection frame, of which normal direction is an x axis direction orthogonal to the z axis direction, after the liquid injection step; a battery treatment step of performing at least one of charging and aging after the first sealing step; a penetration hole forming step of forming a penetration hole communicating the liquid injection port in the first member after the battery treatment step; and a second sealing step of sealing the liquid injection port while covering the penetration hole by using a second member including a resin layer B and a metal layer, and arranging the resin layer B in the second member on a surface of the first member of which normal direction is the x axis direction.

A battery includes positive and negative current collectors and a plurality of bipolar electrodes arranged in a stack between the positive and negative current collectors. The positive and negative current collectors and the stack of the plurality of bipolar electrodes are folded in an S-shape.