Provided is a terminal assembly for an electrochemical battery comprising a terminal connector; a conductive flat-plate with an electrically conducting perimeter; an electrically insulating tape member; and a terminal bipolar electrode plate. The electrically insulating tape member is in between the conductive flat-plate and the terminal bipolar electrode plate such that the electrically insulating tape member does not cover the entire surface area of the conductive flat-plate. The electrically conducting perimeter enables bi-directional uniform current flow through the conductive flat-plate between the terminal connector and the terminal bipolar electrode plate. Also provided is a battery frame member for a static rechargeable battery comprising a liquid diversion system; a gutter; a sealing member; a gas channel; and a ventilation hole. Also provided is a static rechargeable electrochemical battery comprising a pair of terminal assemblies, at least one bipolar electrode interposed between the pair of terminal assemblies, and a battery frame member.

An enclosure for an electronic device comprising at least a portion of the enclosure made up of at least one layer of a covering material, at least one layer of aluminum metal or alloy, at least one layer of an electrolyte gel, and at least one layer of activated carbon coated steel mesh. The at least one layer of aluminum metal or alloy, the at least one layer of an electrolyte gel, and the at least one layer of activated carbon coated steel mesh act together as an energy storage device.

A metal air battery having multiple anode-cathode disc assemblies that include a first and second cathode disc flanking an anode disc. An actuator moves at least one cathode disc relative to the other cathode disc, and thereby facilitates the size of the anode-cathode gap. The anode disc has a hole that engages a power shaft to rotate the anode disc.

The present disclosure relates to the development and improvement of a High-Temperature Sulfate/Sulfide device, in particular a High-Temperature battery using a Sulfate/Sulfide redox couple (HTSSB) for electrical energy storage at elevated temperatures and the like, and electrical energy storage device comprising the same.

A metal-air battery includes a unit cell wound into a roll. The unit cell includes a negative-electrode metal layer having a first surface located in a circumferential direction of the roll and a second surface facing the first surface and located in the circumferential direction of the roll; a first electrolyte film and a first positive-electrode layer sequentially disposed on the first surface of the negative-electrode metal layer; and a second electrolyte film and a second positive-electrode layer sequentially disposed on the second surface of the negative-electrode metal layer. The unit cell is wound in a way such that the first positive-electrode layer and the second positive-electrode layer face each other.

For manufacturing a Zn-air battery, a semi-liquid hydrogel including a polymer component comprising an irradiation activatable crosslinking initiator, and including an electrolyte component is deposited on a zinc anode. At least parts of the semi-liquid hydrogel are irradiated to activate the irradiation activatable crosslinking initiator for crosslinking the polymer component such as to transform the semi-liquid hydrogel into a drop-free yet sticky hydrogel. An air cathode is stuck to the drop-free yet sticky hydrogel.

An iron-air battery including an iron electrode in contact with an anode current collector, wherein the iron electrode includes a plurality of channels; an oxygen reduction reaction electrode having a first surface facing the plurality of channels and an opposing second surface in contact with air; an oxygen evolution reaction electrode interdigitated with the plurality of channels of the iron electrode, wherein at least a portion of the oxygen evolution reaction electrode is disposed within the plurality of channels in a direction perpendicular to a plane of the oxygen reduction reaction electrode; and an electrolyte in contact with the iron electrode, the first surface of the oxygen reduction reaction electrode, the plurality of channels, and the oxygen evolution reaction electrode.

A series of cells for use in an electrochemical device, such as an electrochemical cell or battery, that can operate in a single bulk electrolyte solution shared among the cells. Methods of producing hydrogen or both hydrogen and electricity in appreciable quantifies and in various ratios, and vehicles or other devices and applications powered by electrochemical devices comprising the series.

A metal-air battery cell includes an electrode assembly and a sealed pouch. The electrode assembly includes an air electrode, a negative electrode, a separator in contact with and disposed between the electrodes, and a hydrophobic gas diffusion layer in contact with a side of the air electrode opposite the separator. The pouch envelops the electrode assembly and contains an electrolyte therein. The pouch is defined by a gas permeable hydrophobic flexible layer in contact with the hydrophobic gas diffusion layer. The electrode assembly further includes a terminal extending from and away at least one of the electrodes, and through the pouch. Opposing sides of the pouch are sealed to each other and around the terminal.

An electrochemical cell is provided. The cell includes: a plurality of electrode stacks, each electrode stack including an aluminum or aluminum alloy anode, and at least one cathode configured to be electrically coupled to the anode; one or more physical separators between each electrode stack adjacent to the cathode; a housing configured to hold the electrode stacks, an electrolyte, and the physical separators; a water injection port, in the housing, configured to introduce water into the housing. The aluminum or aluminum alloy of the anode is substantially free of titanium and boron.