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Generating electrochemical process for valve control lead-acid battery

Return Listsource:Gratene date: 2022-06-17

Generating electrochemical process for valve control lead-acid batteryCurrently valve-type sealed lead-acid battery mainly has two types, namely glass fiber separator cathode absorption sealing lead battery (such as GNB, Hawke Hawker battery) and silicone gel sealed lead storage battery (such as German Sunshine Sonnenschein battery), two The battery polar plate is the same: the positive plate grid is a lead calcium tin aluminum tetramorial alloy or a low bismuth multi-unit alloy, and the negative plate grid is a lead calcium tin aluminum quadruple alloy. And use the tight distribution and lean oil design, a one-way safety valve is provided in the upper cover of the battery. Due to the adoption of non-chalrotic lead calcium tanks, the negative electrode is increased, thereby inhibiting the precipitation of hydrogen, and the battery is used to maintain a certain internal pressure using a special safety valve.

The two battery separators are different: ie the “fixed” sulfuric acid electrolyte in different ways of ultrafine fiberglass (AGM) separator and silicone gels, respectively. They are all desposable by cathode absorption, but the channels to the positive absorption of oxygen to the negative electrode are different. For the AGM sealed lead-acid battery, although most of the electrolytic solutions are maintained in the AGM diaphragm, 10% of the diaphragm pores must not be entered into the electrolyte.

The positive electrode active substance of the valve controlled sealing lead-acid lithium battery is a lead metal lead, and the electrolyte is aqueous solution of aqueous sulfuric acid. The system is expressed as: -PB I H2SO4 | PB02 + lithium battery When discharge, the stored chemical energy is directly converted into electrical energy, and the positive electrode neutral or negative metal lead is reduced and oxidized to a lead of sulfate.

The lead-acid lithium-acid battery is referred to as a lithium battery because the lead oxidation of the positive electrode discharge product is hydrogenated as a lead, the negative electrode discharge product is reduced to a metal by means of a process of fluid current. Lead, this process is a charging process, which is the reverse reaction of the discharge process, and is the process of electrical energy conversion to the chemical energy. 

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