Abstract: A negative electrode structure applied to an aluminum battery, including a first metal layer and a second metal layer, is provided. The first metal layer has a first reduction ability. The second metal layer has a second reduction ability. The second metal layer is disposed on the first metal layer, and the first reduction ability is higher than the second reduction ability, such that the second metal layer is corroded and dissolved in the aluminum battery.

Abstract: An aluminum battery negative electrode structure includes an aluminum foil and a coating layer. The coating layer is arranged on the aluminum foil. A material of the coating layer includes a high specific surface area carbon material. A specific surface area of the high specific surface area carbon material ranges from 500 m2/g to 3,000 m2/g.

Abstract: An aluminum battery separator, including an air-permeable material, is provided. An air permeability of the air-permeable material is between 0.1 sec/100 ml and 50 sec/100 ml, and the air-permeable material includes a fiber material other than glass fiber.

Abstract: A negative electrode structure of an aluminum battery, including a metal substrate and multiple bumps, is provided. The bumps are disposed on a first surface of the metal substrate. A size range of the bumps is between 5 mm and 500 mm.

Abstract: A dispersion method of slurry for aluminum battery includes at least the following. A first dispersion liquid with active powder and a second dispersion liquid with conductive powder are provided separately, wherein the second dispersion liquid is different from the first dispersion liquid. The first dispersion liquid and the second dispersion liquid are mixed and dispersed by one or more of three-roll rolling, ball milling, centrifugal stirring, and planetary stirring to make a slurry.

Abstract: A negative electrode structure applied to an aluminum battery includes a metal base and multiple holes. The holes are disposed on a surface of the metal base. The pore size of each of the holes ranges from 0.05 micrometers (?m) to 500 ?m.

Abstract: A removal method applied to an aluminum electrode sheet with an oxide layer, including a soaking step. The soaking step includes soaking the aluminum electrode sheet in an ionic liquid to remove the oxide layer, such that the aluminum electrode sheet has an exposed part of aluminum metal, and the soaking step is performed in a nitrogen atmosphere.

Abstract: A manufacturing method of an aluminum battery includes: providing an aluminum electrode sheet having an oxide layer; soaking the aluminum electrode sheet in a first ionic liquid in a nitrogen atmosphere to remove the oxide layer, such that the aluminum electrode sheet has an exposed part of aluminum metal; removing the aluminum electrode sheet from the first ionic liquid and used as a negative electrode of the aluminum battery; and providing electrolyte. The exposed part of aluminum metal is in direct contact with the electrolyte.

Abstract: A negative electrode structure applied to an aluminum battery includes a hole material layer and a metal plating layer. The metal plating layer is located on the hole material layer such that the capacity decay rate of the aluminum battery is less than 5% per cycle.

Abstract: An aluminum battery packaging film includes a heat-sealing layer, wherein a material of the heat-sealing layer includes modified polyethylene terephthalate, polycarbonate, polyimide, or a combination thereof.

Abstract: An aluminum battery negative electrode structure includes an aluminum foil and a coating layer. The coating layer is arranged on the aluminum foil. A material of the coating layer includes a high specific surface area carbon material. A specific surface area of the high specific surface area carbon material ranges from 500 m2/g to 3,000 m2/g.

Abstract: An energy storage device made of an aluminum electrode includes a positive electrode, a negative electrode, a separator, and an electrolyte. The negative electrode is the aluminum electrode. The separator is arranged between the positive electrode and the negative electrode. The electrolyte is arranged between the positive electrode and the negative electrode and partly located in the separator. The electrolyte includes an aluminum halide and an ionic liquid. The aluminum halide is configured to produce a faradaic pseudo-capacitance reaction in the energy storage device. The ionic liquid is configured to cooperate with the faradaic pseudo-capacitance reaction in the energy storage device.

Abstract: A battery includes an electrolyte and a positive electrode. The electrolyte is configured to produce active substance. The active substance in the battery is intercalated to a lattice structure of the positive electrode to generate power of the battery.

Abstract: An aluminum battery packaging film includes a heat-sealing layer, wherein a material of the heat-sealing layer includes modified polyethylene terephthalate, polycarbonate, polyimide, or a combination thereof.

Abstract: A dispersion method of slurry for aluminum battery includes at least the following. A first dispersion liquid with active powder and a second dispersion liquid with conductive powder are provided separately, wherein the second dispersion liquid is different from the first dispersion liquid. The first dispersion liquid and the second dispersion liquid are mixed and dispersed by one or more of three-roll rolling, ball milling, centrifugal stirring, and planetary stirring to make a slurry.

Abstract: A current collector protective glue includes a solvent and an adhesive. The solvent is selected from one or more of water, ethanol, NMP, acetone, and butanone. The adhesive is selected from one or more of cellulose, polyacrylic acid, styrene-butadiene rubber, styrene butadiene rubber, and nitrile rubber.

Abstract: An aluminum battery separator applied between a positive electrode and a negative electrode of an aluminum battery includes a polymer material layer. An electrolyte is included between the positive electrode and the negative electrode of the aluminum battery. The polymer material layer includes one or more polymer materials, and the aluminum battery separator does not include a glass fiber material.

Abstract: An aluminum battery includes a shell, an electric core, a pole tab, and a joint. The shell has an internal space. The electric core is disposed in the internal space. The electric core includes a pole sheet group. The pole sheet group has a pole lug. The pole tab is partially exposed from the shell. The joint penetrates the pole lug and the pole tab to join and electrically connect the pole lug and the pole tab.