Sep 28, 2019 Pageview:772
A, The dry battery
Dry cell is also called zinc manganese battery, the so-called dry cell is relative to the voltaic cell, manganese zinc refers to the raw materials.Other materials for dry cells, such as silver oxide batteries, nickel cadmium battery.Zinc manganese battery voltage is 15V.Dry cell is the consumption of chemical raw materials to produce electricity.Its voltage is not high, can produce continuous current cannot be more than 1 amp.
Second, lead battery
One of the storage battery is the most widely used batteries.With a glass tank or plastic tank, filled with sulfuric acid, then insert the two pieces of lead plate, a piece with the charger connected to the anode, a piece with the charger connected to the cathode, was formed after more than a dozen hours of charging a storage battery.It is negative between 2 volts.The advantage of the battery can be used repeatedly.In addition, because of its internal resistance, so can provide a lot of electric current.Use it for the car engine power, the instantaneous current can be up to more than 20 amperes.Is the electrical energy stored when battery charging, discharging and to convert chemical energy into electricity.
Three,The lithium battery
For lithium battery cathode.It is a new kind of high-energy battery developed after 60 s.According to the different electrolyte used in divided into: (1) high temperature molten salt lithium batteries;(2) organic electrolyte of lithium batteries;(3) inorganic nonaqueous electrolyte of lithium batteries;(4) solid electrolyte of lithium batteries;(5) lithium battery.Lithium battery has the advantage of single battery voltage, high specific energy, long storage life (up to 10 years), high and low temperature performance is good, can be used in - 40 ~ 150 ℃.Defect is expensive, security is not high.Other voltage lag and safety issues remain to be improved.To develop thePower batteryAnd the emergence of new positive electrode materials, especially the development of lithium iron phosphate material of li-ion battery development are of great help.
Chemical battery according to the nature of work can be divided into: a battery (battery);Secondary batteries (rechargeable batteries) lead-acid battery.Among them: a battery can be divided into: paste type zinc manganese battery, cardboard zinc manganese battery, alkaline zinc-manganese batteries, button batteries, zinc silver buckle type lithium manganese batteries, button zinc-manganese batteries, zinc air battery, lithium manganese batteries at a time.Secondary battery can be divided into: cadmium nickel batteries, nickel-metal hydride batteries, lithium ion batteries and secondary alkaline zinc manganese battery, etc.Lead-acid batteries can be divided into: open type lead-acid battery, full sealed lead-acid battery.
What is the zinc-manganese dioxide dry cell?
Zinc - manganese battery is also called le LAN club (Leclanche), is a French scientist le LAN club (Leclanche) invented in 1868 by zinc (zinc) anode, manganese dioxide (MnO2) as the anode, electrolyte solution using neutral ammonium chloride (NH4C1), zinc oxide (ZnC12) in aqueous solution, the surface of starch or pulp paper isolation layer made of a cell that zinc manganese battery, due to its often made into gel electrolyte solution or adsorbed on other carrier, which appear not flow state, so it is also called zinc manganese dry cell.According to the use of isolation layer is divided into two paste type and plate type battery, plate and by ammonium electrolyte fluid different points and zinc battery board two kinds.
What is the alkaline zinc manganese batteries?
Refers to the middle of the 20th century on the basis of zinc manganese battery, is the modified zinc manganese battery.Battery using potassium hydroxide (KOH) or do liquid electrolyte aqueous solution of sodium hydroxide (NaOH), adopted in contrast to the zinc manganese battery cathode structure of cathode, paste colloid, fluid made from copper nail set, the positive, active substances and pressing ring connected to the battery shell conductive material, positive and negative electrode made of special diaphragm separates the battery.
Which parts constitute the battery?
Any kind of battery is composed of four basic components, the four main components are two different materials of electrode, electrolyte, the diaphragm and the shell.
What is a green environmental protection battery?
Refers to has been put into use in recent years and are developing a kind of high performance and non-pollution battery, including has been put into use of nickel metal hydride batteries, lithium ion battery, is promoting the use of mercury-free alkaline zinc manganese dioxide battery, and fuel cells, solar cells (photovoltaic cell), etc.
What is the lead acid battery?
In 1859 France Plante (Plante) found that by the positive plate and negative plate, electrolyte, separator, container (slot) and so on five basic parts.Make the positive active material with lead dioxide, lead cathode active material, sulfuric acid as electrolyte, microcellular rubber, sintering type PVC, glass fiber and polypropylene layer made of the battery.
What is a nickel cadmium battery and metal hydride battery?
Both nickel oxide or nickel hydroxide used as anode, with potassium hydroxide or sodium hydroxide solution as electrolyte solution, cadmium metal or metal hydride as negative.Metal hydride batteries for the end of the 1980 s, the use of hydrogen absorbing alloys and release hydrogen reaction of electrochemical reversibility invention, main products are small secondary battery.
What is a lithium battery?
Refers to lithium metal or lithium compounds as active substances known as lithium batteries, batteries are divided into a lithium battery and lithium secondary battery.
What is the lithium ion battery?
Refers to enable embedded lithium ion and take off the embedded carbon materials instead of pure lithium as negative, lithium compounds as the anode, mixed electrolyte battery made of liquid electrolyte.
What is a fuel cell?
Refers to a use of fuel, such as hydrogen or hydrogen fuel and oxidant, such as pure oxygen or oxygen in the air) directly connected to the power generation device.It has high efficiency, electrochemical reaction conversion efficiency can reach more than 40%, and pollution-free characteristics of gas discharge.】
Battery model knowledge generally divided into: 1, 2, 3, 5, 7, 5 and 7 is especially common among them, the so-called AA battery is 5, battery, battery and AAA battery is 7!AA, AAA battery model are instructions;With the development of science and technology, dry cell has developed into a big family, so far, already has more than 100.Common with ordinary zinc-manganese dioxide dry cell, alkaline zinc-manganese dioxide dry cell, magnesium, manganese dry batteries, zinc air battery, zinc oxide mercury batteries, zinc, silver oxide batteries, lithium manganese battery, etc.
For most used zinc-manganese dioxide dry cell, because of the different structure and can be divided into: paste type zinc - manganese dry also, paper plate zinc-manganese dioxide dry cell, diaphragm zinc-manganese dioxide dry cell, zinc chloride zinc manganese dry battery, alkaline zinc-manganese dioxide dry cell, quadrupole parallel zinc-manganese dioxide dry cell, laminated type zinc-manganese dioxide dry cell, etc.
Zinc manganese dry cell battery is commonly used in daily life.
The anode material: MnO2, graphite rod
Anode materials: zinc
Electrolyte: NH4Cl, ZnCl2 and starch paste
The battery can be expressed as symbols
(-) zinc | ZnCl2, NH4Cl (paste) lots MnO2 | C (graphite) (+)
Negative: zinc = Zn2 + + 2 e
The positive: mno2 nh4 + 2 + 2 + 2 = e Mn2O3 nh3 + H2O + 2
Overall reaction: zinc + mno2 nh4 + 2 + 2 = 2 zn2 + + Mn2O3 + 2 nh3 + H2O
Zinc manganese dry battery electromotive force is 1.5 V.Because of NH3 gas produced by adsorption, graphite electromotive force decline rapidly.If use high conductive paste KOH instead of NH4Cl, cathode material to steel cylinder, MnO2 layer close to the steel cylinder, forming the alkaline zinc manganese dry battery, with no gas producing cell response, low internal resistance, electromotive force is 1.5 V, is stable.
Dry cell belongs to the chemical power of the battery, is a kind of disposable batteries, it with manganese dioxide as positive pole, zinc tube as the anode, external circuit convert chemical energy into electrical energy supply.Because the zinc manganese lively than in chemical reactions, zinc lost electrons are oxidation, reduction of manganese is electronic.
Battery is a very widely used batteries, due to the different industry and different area used by the storage battery is different, so all the accumulator is divided into three categories, first, lead-acid batteries, mainly has the characteristics of voltage stability, the price is cheap.Second, UPS, battery voltage it off immediately back to the original value.Third, the lithium iron phosphate battery, its discharge is more stable, so it is the safest batteries.Fifth, super battery, it can quickly after energy storage to provide internal combustion engine starting power supply device.
Battery is usually used in communication, power plants, the computer system, the automobile, motorcycle, tractor, diesel engine, such as the above, because it can charge used, therefore he than normal cells to some environmental protection, but in the use of must use according to specification requirements.
See the disposable batteries including zinc manganese dry battery, alkaline zinc manganese dry battery, lithium battery, etc.Rechargeable batteries, also known as secondary battery, battery, home commonly used lead-acid battery electric vehicle would fall into this category.Cell types include both dry and liquid battery, dry and liquid battery are limited to distinguish between the early period of development.Still have a kind of familiar solar cells, and it is a device that receives the light energy directly into electricity, have do not conform to the narrow definition of batteries.In addition, there is a kind of powerfulspecial batteries, it than ordinary battery has a long life, but its production cost is relatively high, so the battery for some more need to long time operation and difficult instrument to replace the battery.
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