Discuss about the voltage of a lead battery

A lead accumulator battery voltage is how many people often say: the battery voltage is 12 v.12 V here refers to the basic parameters of battery - nominal voltage (V).A lead-acid battery the single nominal voltage is 2 v, by six single together the nominal battery voltage is 12 v.The power of the electric vehicles use are generally in 2 to 5 of the 12 v battery series 24 v, 36 v, 48 v, 60 v battery pack, here refers to the nominal voltage battery, it is determined by the battery characteristics of active material used by the theoretical value.

In fact, under the condition of different battery voltage and the nominal electric potential difference.For example: a nominal voltage for normal 12 V lead-acid battery in the end of the charging process, reach maximum polarization, charging voltage can reach 14.4 V or higher;, at the end of the discharge will reach maximum discharge polarization, low voltage can be around to 9 v.While charging or discharging stop and let stand for a few hours later, polarization voltage (concentration polarization) completely disappear, the 12 V battery voltage at 13.8 V (full) between 11 V (after), the difference is caused by the change of state of active material of battery internal.

Single cells to 2 v, so the voltage of power of 2.Common are:

2 v, 4 v, 6 v, 8 v, 12 v, 16 v, 24 v, 48 v, 60 v, 72 v, and so on.

Because the car is in most of the 12 v, so the 12 v with more general it.

People often say: the battery voltage is 12 v.12 V here refers to the basic parameters of battery - nominal voltage (V).A lead-acid battery the single nominal voltage is 2 v, by six single together the nominal battery voltage is 12 v.The power of the electric vehicles use are generally in 2 to 5 of the 12 v battery series 24 v, 36 v, 48 v, 60 v battery pack, here refers to the nominal voltage battery, it is determined by the battery characteristics of active material used by the theoretical value.

In fact, under the condition of different battery voltage and the nominal electric potential difference.For example: a nominal voltage for normal 12 V lead-acid battery in the end of the charging process, reach maximum polarization, charging voltage can reach 14.4 V or higher;, at the end of the discharge will reach maximum discharge polarization, low voltage can be around to 9 v.While charging or discharging stop and let stand for a few hours later, polarization voltage (concentration polarization) completely disappear, the 12 V battery voltage at 13.8 V (full) between 11 V (after), the difference is caused by the change of state of active material of battery internal.

The capacity of the battery voltage is 12 v 2.2 AH, July 14 AH, AH, AH, AH, AH, and 45 80 AH AH, AH, 60, 80 120 AH AH, AH, AH 160, 120.

Chemical energy is converted into electrical energy device is called chemical battery, commonly referred to as "for the battery.After discharge, can make the internal active substances in charging way - to store the electric energy to chemical energy regeneration;When need to discharge to convert chemical energy to electrical energy again.Call this type of battery storage battery (storage battery), also known as the secondary battery.

So-called is chemical energy storage battery, a necessary release electricity an electrochemical device.

Is the 12 v battery voltage, there are 24 v and 6 v, household car is 12 v, trucks use is 24 v, the emergency light with 6 v.

Note: every single lead battery voltage is 2 v, mostly on the market for 6, 12 v batteries, can design for the serial number of the single phase, such as to two pieces of common 6 cell battery in series is 24 v, according to need.

1, before starting the normal voltage above 13 v, lower than 12 v is deficient, starts over 14 v.The minimum voltage is 11 v starting the car.

2, the electric car batteries and fuel cells can be divided into two categories.Battery is suitable for pure electric vehicles can be classified as a lead-acid battery, nickel-based batteries (nickel and nickel metal hydride batteries, nickel hydrogen a blessing and a nickel zinc battery), sodium?And sodium chloride (sodium sulfur battery is nickel batteries), two times lithium battery, such as air cell types.And the fuel cell is dedicated to the fuel cell electric vehicles, can be divided into alkaline fuel cell (AFC), phosphoric acid fuel cell (PAFC), molten carbonate fuel cell (MCFC) and solid oxide fuel cell (SOFC), proton exchange membrane fuel cell (PEMFC), direct methanol fuel cell (DMFC), and other types.

3, with slightly different with the types of electric vehicles.In only equipped with a battery of pure electric vehicles, battery of motor drive system is the only source of power.In the traditional equipment engine (or fuel cell) hybrid cars with the battery, the battery can play the role of motor drive system main power source, can also act as the role of auxiliary power supply.Visible in the low speed and startup, battery is a major power motor drive system of the role of the;In the full load acceleration, act as the role of auxiliary power supply;When moving or deceleration, brake act as a role of storing energy.

The battery discharge end is 5 v, 10 charge at the end of 13 points 5 v, between the normal and the associated with electricity and how much electricity pond.Winter battery discharge ability is poor, lighter need 11 v, summer at 10 5 v.By cars, fuel (gasoline, diesel), temperature, the influence factors such as altitude, cannot treat as the same.

1, according to the battery industry standard: battery, rechargeable batteries and other "termination of charging voltage of about 1.2 times the rated voltage.Charging voltage is 1.2 times that charging is complete.For the 12 V battery, the termination of charging voltage (12 V x 1.2) 1.2 V.Below belongs to charge less than 14.4 V, can damage the battery.

2, there are two afraid of rechargeable batteries, battery: to over charge and discharge.So the rechargeable batteries have protection.For example, the mobile phone use lithium battery, its termination of charging voltage (3.6 V x 1.2 times) material 4.3 V

3, 12 v battery with 16 v2. 2 a charging power supply, you must have terminated charging voltage Settings.In addition, the charging current is also important, should according to battery capacity to set a reasonable range.

Battery voltage should be no-load voltage is around 13 v, load voltage v is normal, no less than 11 below this voltage may start is difficult, after start the 12 v cars due to start producing electricity generator voltage should be between 13.5 14.5. 24 v range between 27 v - 29 v, starts is generator voltage measurement, due to the parallel battery and generator works, then couldn't measure the battery voltage.Battery 11 v, don't you know that you are using battery meter amount or quantity of the multimeter, if the amount is to use multimeter, apparently a bit on the low side, seems to be losing electricity, or after the start of measurement should not be on the low side, if so, you should remove the battery to supplement charge, or to have certain influence to the battery life.

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