Aluminum air battery
An aluminum-air battery and air electrode technology, which is applied in fuel cell additives, fuel cell control, fuel cell half-cells and primary battery half-cells, can solve problems such as low power generation efficiency and hydrogen evolution corrosion, and achieve Improve power generation efficiency, save energy, and reduce production costs
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Embodiment 1
[0030] Such as figure 1 As shown in , the aluminum-air battery provided by the embodiment of the present invention includes a power generation area surrounded by a hollow reaction cell 5. The power generation area is a closed structure, and the interior is provided with: aluminum objects, liquid metal or liquid metal alloy, electrolyte 3, Air electrode 2, 2 electrode sheets.
[0031] The liquid metal can be gallium. If it is a liquid metal alloy, it is a gallium-based liquid metal alloy added with one or more of indium, tin, zinc, and bismuth, such as gallium-indium alloy, gallium-tin alloy, etc., according to specific needs choose.
[0032] The aluminum object means that during the power generation process of the battery, metal aluminum will lose electrons and transform into aluminum ions, so it exists as a negative electrode inside the battery. Metal aluminum as the negative electrode can be in various forms such as aluminum powder, aluminum block, aluminum foil, etc.
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Embodiment 2
[0044] This embodiment is basically the same as Embodiment 1. For the sake of brevity, in the description process of this embodiment, the same technical features as Embodiment 1 will not be described, and only the differences between this embodiment and Embodiment 1 will be described:
[0045] The structure and reaction principle of the aluminum-air battery provided in this example are the same as those in Example 1, except that the hollow cavity in this example adopts a square structure, and the air electrode 2 adopts a plate-like structure. There are multiple air electrodes 2 in this embodiment, such as image 3 As shown in , a plurality of air electrodes 2 are arranged in an array, and the plurality of air electrodes 2 are connected by wires, so that the generated current can be converged into a single current output through the wires, and this arrangement can increase the distance between the air electrodes 2 and the electrolyte 3 The contact area is conducive to the diffu...
Embodiment 3
[0048] This embodiment is basically the same as Embodiment 1 and Embodiment 2. For the sake of brevity of description, in the description process of this embodiment, no longer describe the same technical features as Embodiment 1 and Embodiment 2, and only illustrate this embodiment and its the difference:
[0049] The aluminum-air battery provided in this example adopts the same external structure as that in Example 2. The difference is that the hollow reaction tank 5 in this embodiment is provided with a separator 10, and the separator 10 divides the hollow reaction tank 5 into a plurality of independent power generation areas, and the number of power generation areas is the same as the number of air electrodes 2 , a plurality of air electrodes 2 can also be set in one power generation area, the principle is the same as that described in Embodiment 2. In this way, multiple small battery units can be connected in series to generate power, and the power generation areas are co...
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