An electrode assembly according to the present disclosure includes an electrode stack part formed by stacking at least one radical unit having a four-layered structure of a first electrode, a separator, a second electrode and a separator, and an electrode fixing part for wrapping and fixing the electrode stack part. The electrode assembly according to the present disclosure may be fabricated by means of a stacking process other than a folding process, and may accomplish accurate alignment and stable fixing.

An electrode assembly according to the present disclosure includes an electrode stack part formed by stacking at least one radical unit having a four-layered structure of a first electrode, a separator, a second electrode and a separator, and an electrode fixing part for wrapping and fixing the electrode stack part. The electrode assembly according to the present disclosure may be fabricated by means of a stacking process other than a folding process, and may accomplish accurate alignment and stable fixing.

A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator, the first electrode and the second electrode being wound with the separator therebetween, and a case to receive the electrode assembly, wherein the first electrode includes a first tab part having a first coating region and a plurality of first uncoated tabs protruding out of the first coating region, the first coating region being coated with a first active material, and the plurality of first uncoated tabs not being coated with the first active material, and a first non-tab part connected to the first tab part, the first non-tab part wrapping the first tab part at an outermost portion thereof at least one time.

A layered cell has a plurality of unit cells each having a positive electrode having a positive electrode current collector layer, a negative electrode having a negative electrode current collector layer, and a solid electrolyte layer disposed between the positive electrode and the negative electrode. The unit cells are stacked, the positive electrode current collector layer has a positive electrode current collector tab protruding from the positive electrode current collector layer in a surface direction, the negative electrode current collector layer has a negative electrode current collector tab protruding from the negative electrode current collector layer in the surface direction, and at least one of the positive electrode current collector tabs and the negative electrode current collector tabs are electrically connected and integrated with intervention of a conductive member disposed in a gap between the neighboring current collector tabs of the unit cell.

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 invention provides for a fully electrically rechargeable metal anode battery systems and methods of achieving such systems. An electrically rechargeable metal anode cell may comprise a metal electrode, an air contacting electrode, and an aqueous electrolyte separating the metal electrode and the air contacting electrode. In some embodiments, the metal electrode may directly contact the liquid electrolyte and no separator or porous membrane is needed between the air contacting electrode and the electrolyte. Rechargeable metal anode cells may be electrically connected to one another through a centrode connection where a metal electrode of one cell and an air contacting electrode of a second cell are electrically connected. Air tunnels or pathways may be provided between individual metal anode cells arranged in a stack. In some embodiments, an electrolyte flow management system may also be provided to maintain liquid electrolyte at constant levels during charge and discharge cycles.

An electrochemical cell and battery system including cells, each cell including a catholyte, an anolyte, and a separator disposed between the catholyte and anolyte and that is permeable to the at least one ionic species (for example, a metal cation or the hydroxide ion). The catholyte solution includes a ferricyanide, permanganate, manganate, sulfur, and/or polysulfide compound, and the anolyte includes a sulfide and/or polysulfide compound. These electrochemical couples may be embodied in various physical architectures, including static (non-flowing) architectures or in flow battery (flowing) architectures.

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.

A metal-hydrogen battery is presented. The battery includes a bridgeless CPV superstack having a number K of units, each unit including a first layer and a second layer, wherein the first layer includes a number L/2 of intermediate anode-cathodes, and wherein the second layer includes an end anode and an end cathode separated by L/21 intermediate anode-cathodes; a pressure vessel that encloses the bridgeless CPV superstack; and electrolyte within the pressure vessel. A bridgeless CPV superstack includes K units, each unit including a first layer and a second layer, wherein the first layer includes a number L/2 of intermediate anode-cathodes, and wherein the second layer includes an end anode and an end cathode separated by L/21 intermediate anode-cathode.

A battery module includes a cell stack in which a plurality of plate-shaped cells is stacked such that each main surface, which is a surface of each of the plate-shaped cells in a cell thickness direction, faces one another.