A zinc bromine electrochemical cell comprises an anode-side subassembly, an insulating porous separator, and a cathode-side subassembly. The anode-side subassembly comprises an anode current terminal, an anode current collector, an anode support, an anode sheet, and an anode insulating net. The cathode-side subassembly comprises a cathode insulating mesh, a cathode graphite felt, a cathode sheet, a cathode current collector, and a cathode current terminal. The anode-side subassembly and the cathode-side subassembly are separated by the insulating porous separator.

A zinc bromine electrochemical cell comprises an anode-side subassembly, an insulating porous separator, and a cathode-side subassembly. The anode-side subassembly comprises an anode current terminal, an anode current collector, an anode support, an anode sheet, and an anode insulating net. The cathode-side subassembly comprises a cathode insulating mesh, a cathode graphite felt, a cathode sheet, a cathode current collector, and a cathode current terminal. The anode-side subassembly and the cathode-side subassembly are separated by the insulating porous separator.

Provided are a lithium-ion battery and a preparation method therefor. The preparation method comprises the steps of connecting a plurality of cells in series and/or in parallel and then sealing to obtain a module, with the cells being jelly-rolls or stacking-rolls. According to the preparation method, the process is simple, and a battery housing shell and a module housing are combined into a whole, thereby greatly reducing the cost. Moreover, in the design of battery, the battery is internally provided with a heating sheet of graphene, etc., so as to overcome the low-temperature bottleneck of the lithium-ion battery. The standardized battery directly achieves integrated manufacturing from jelly-rolls or stacking-rolls into a module, has the characteristics of a low cost, a high energy density, a wide temperature range, high safety and a long service life, and omits the post-manufacturing procedure for the module so as to reduce the production cost.

A system and method for optimizing electrochemical cells including electrodes employing coordination compounds by mediating water content within a desired water content profile that includes sufficient coordinated water and reduces non-coordinated water below a desired target and with electrochemical cells including a coordination compound electrochemically active in one or more electrodes, with an improvement in electrochemical cell manufacture that relaxes standards for water content of electrochemical cells having one or more electrodes including one or more such transition metal cyanide coordination compounds.

A bipolar electrode comprising a cathode substrate loaded with a halogen complexing agent that has a structure of formula Q.sup.+(R.sup.A)(R.sup.B)(R.sup.C)(R.sup.D)X.sup.−, is disclosed. The bipolar electrode also comprises a bipolar electrode plate having a cathode surface and an anode surface, wherein the cathode surface opposes the anode surface. The cathode surface at least partially contacts the cathode substrate. An electrochemical cell and a battery stack comprising the bipolar electrode, and a process for manufacturing the bipolar electrode are also disclosed.

A battery module of the present invention is adaptable to be utilized in various configurations including and not limited to an overlapping battery cell packaging configuration and a vertical stack battery cell packaging configuration used in an automotive and non-automotive applications. The battery module has a plurality of battery heatsink assemblies with the cells disposed therebetween. A plurality of rods extend through the each heatsink assemblies to secure the heatsink assemblies and the cell with one another to form the battery module.

A NaNiCl battery and a module using the same are provided. A NaNiCl battery according to the present invention include: a case that forms an exterior shape of the battery; and a beta alumina solid electrolyte (BASE) tube that is provided in the case and having a clover-shaped cross-section, wherein the case has a clover-shaped cross-section like the clover-shaped cross-section of the BASE tube to minimize a space between the case and the BASE tube.

A NaNiCl battery and a module using the same are provided. A NaNiCl battery according to the present invention include: a case that forms an exterior shape of the battery; and a beta alumina solid electrolyte (BASE) tube that is provided in the case and having a clover-shaped cross-section, wherein the case has a clover-shaped cross-section like the clover-shaped cross-section of the BASE tube to minimize a space between the case and the BASE tube.

A high voltage zinc (Zn)-anode battery comprising a cathode comprising a cathode electroactive material; an anode comprising a Zn electroactive material; a catholyte in contact with the cathode, wherein the catholyte is not in contact with the anode; an anolyte in contact with the anode, wherein the anolyte is not in contact with the cathode; and a separator disposed between the anolyte and the catholyte. The catholyte has a pH of less than 4, and the anolyte has a pH of greater than 10. The separator has ion-selective properties.

Disclosed is a battery comprising a cathode, an anode and an electrolyte; the cathode comprises a cathode material, the cathode material comprises a cathode active material which is capable of reversibly intercalating and deintercalating a first metal ions; the electrolyte comprises at least a solvent capable of dissolving solute, the solute being ionized to a second metal ions that can be reduced to a metallic state during a charge cycle and be oxidized from the metallic state to the second metal ions during a discharge cycle and the first metal ions that can deintercalate from the cathode active material during the charge cycle and intercalate into the cathode active material during the discharge cycle; and the anode and/or the electrolyte further comprise an additive which is a bismuth compound. The gas production amount could be effectively reduced when the battery is being used.