Research status and development trends of R6 Carbon battery?

　　The theoretical specific energy of aluminum air fuel cells can reach 8100Wh/kg, which has the advantages of low cost, high specific energy density and specific power density. As a special type of fuel cell, R6 Carbon battery have great commercial potential in special, civilian, and underwater power systems, telecommunications system backup power sources, and portable power supplies.

　　Metal-air battery overview

　　Lithium-ion batteries have high specific energy and are currently relatively mature secondary batteries that have been commercialized on a large scale. However, in recent years, in the face of the huge development in mobile electronic devices and electric vehicles, lithium-ion batteries have been unable to meet the needs of Its large capacity needs, especially the power battery system that is highly dependent on energy. Therefore, metal-air batteries with specific capacities several times larger than lithium-ion batteries have emerged, such as zinc-air batteries, R6 Carbon battery, magnesium-air batteries, lithium-air batteries, etc.

　　Since the positive active material of this type of battery mainly comes from oxygen in the air, the theoretical amount of positive active material is unlimited, so the theoretical capacity of the battery mainly depends on the amount of negative metal. This type of battery has a larger specific capacity.

　　Among them, the theoretical specific energy of aluminum air fuel cells can reach 8100Wh/kg, which has the advantages of low cost, high specific energy density and specific power density. As a special type of fuel cell, R6 Carbon battery have great commercial potential in special, civilian, and underwater power systems, telecommunications system backup power sources, and portable power supplies.

　　Aluminum air battery structure and principle

　　From the analysis of existing research results and battery characteristics, R6 Carbon battery have the following characteristics:

　　(1) High specific energy. Aluminum-air battery is a new type of high specific energy battery. The theoretical specific energy can reach 8100Wh/kg. Currently, the products developed can reach 300-400Wh/kg, which is much higher than the specific energy of various types of batteries today.

　　(2) The specific power is medium. Since the working potential of the air electrode is far from its thermodynamic equilibrium potential, its exchange current density is very small, and the battery is highly polarized during discharge, resulting in the battery's specific power only reaching 50-200W/kg.

　　(3) Long service life. Aluminum electrodes can be continuously replaced, so the life of an aluminum-air battery depends on the working life of the air electrode.

　　(4) Non-toxic and no harmful gas produced. The electrochemical reaction of the battery consumes aluminum, oxygen and water to generate Al2O3˙nH2O, which can be used as dry adsorbents and catalyst carriers, grinding and polishing abrasives, ceramics and excellent precipitants for sewage treatment, etc.

　　(5) Strong adaptability. The battery structure and raw materials used can change according to the practical environment and requirements, and are highly adaptable.

　　(6) Aluminum, the raw material for battery negative electrodes, is cheap and easy to obtain. Compared with other metals, the price of aluminum metal is relatively low, and the manufacturing process of metal anodes is relatively simple.

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