The problem of battery and DC, lithium battery is AC or DC?

It's unlikely that you want to link directly.

Parallel links are definitely not possible, and each device will definitely burn out at 12V.

As for the serial link, only the output resistance of the two devices is the same, so that each device can accurately get a voltage of 6V. However, it is difficult to ensure that the output voltage of each device is the same. If you can't keep it in order, the device will burn.

The more complicated thing is that you measure the output resistance of the two devices respectively, the possibility of the same is almost zero, and then you connect a matching resistor in parallel outside each device, when your matching resistance is appropriate, the external impedance of the resistor after the parallel connection of the two devices is equal, at this time you can try, if you feel that 6V is not safe, you can connect the resistance in series between the two devices, after the voltage division, there should be no problem. However, the output impedance of general equipment is relatively small, so you have to use a sliding rheostat to adjust it a little bit.

I recommend buying a switching power supply The direct output is the kind of 5V, put the two devices together, and it's OK, safe and reliable, and the cost is high.

If you want to DIY your own tweed, the more cost-effective is to expand a few capacitors from 7805, and then connect 12V upwards, and there will be 5V output. It's simple and effective, but you need to do it yourself.

Both batteries will be damaged when connected directly to a 12V DC power supply.

Why do you need to connect these two batteries to 12V? Charge?

The electricity of all batteries is direct current, and the alternating current is simply emitted by the generator.

Lithium battery is a kind of battery made of lithium metal or lithium alloy as the anode material, using non-aqueous electrolyte solution, and the lithium metal battery was first developed by Gilbert N. in 1912Lewis proposed and studied. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements.

Lithium batteries can be broadly divided into two categories: lithium metal batteries and lithium-ion batteries. Lithium-ion batteries do not contain lithium in a metallic state and are rechargeable.

The fifth-generation product of rechargeable batteries, lithium metal batteries, was born in 1996, and its safety, specific capacity, self-discharge rate and performance** ratio are better than those of lithium-ion batteries. Due to its own high technical requirements, only a few companies in a few countries are now producing such lithium metal batteries.

Direct current. All containers that store electrical energy can only store direct current, and alternating current cannot be stored. If we compare the walking route of the positive and negative poles of electricity to walking on two railroad tracks, the positive pole takes one and the negative pole goes one.

The positive and negative electrodes of direct current go their own way and do not interfere with each other. The positive and negative poles of the exchange are alternately walking with each other, the first step of the positive pole takes its own track, the second step goes to the orbit of the negative pole, and the third step takes its own orbit and continues in turn. The first step of the negative electrode goes to its own track, the second step goes to the track of the positive electrode, and the third step takes its own track and continues in turn.

Therefore, it cannot be stored.

Hello, it's DC.

Dry batteries are direct current, and the current direction is the same. For a short period of time, the magnitude of the current is equal. Alternating current refers to electricity for domestic lighting; Batteries and batteries are all direct current.

Alternating current refers to an electric current that changes periodically in both magnitude and direction because the average operating value of the periodic current in a cycle is zero, which is called alternating current or alternating current for short. Abbreviated as AC. The direction of direct current is the same.

Usually the waveform is sinusoidal. Alternating current can transmit electricity efficiently. But there are actually other waveforms that are used, such as triangular waves, square waves.

The mains power used in daily life is alternating current with a sinusoidal waveform.

Direct current (DC), also known as constant current, constant current is a type of direct current, which is a direct current that does not change in size and direction, and it was discovered by Edison. In 1747, Benjamin Franklin of the United States proposed the law of conservation of electric charge based on experiments, and defined the terms of positive and negative electricity. A constant current means that neither the size (voltage) nor the direction (positive or negative) change over time (within a relative range), as in the case of a dry cell battery.

Pulsating direct current is when the direction (positive and negative) does not change, but the magnitude changes over time.

That's my answer, thank you

The electricity of all batteries is direct current. AC is simply electricity generated by a generator. Even the electricity emitted by the solar panel is also direct current. So communication, as the name suggests, is the meaning of alternating flow. The battery does not flow alternately.

The batteries are all direct current.

The number of charge-discharge cycles of lead-acid batteries is about 350, the number of charge-discharge cycles of ternary lithium batteries is about 800, and the number of charge-discharge cycles of lithium iron phosphate batteries is about 2000. The storage temperature of lithium iron phosphate battery is -10 35, and the discharge working temperature of lithium iron phosphate battery is -20 65.

Lithium batteries belong to direct current, and lead-acid batteries are also direct current, and to alternate current to be output through the inverter 220 volts is alternating current (lithium batteries only have a longer life than lead-acid batteries, relative to the same voltage and current, lead-acid batteries have the advantages of large physique and heavy weight, while lithium batteries have the advantages of small physique and light weight.)

Hello: 1, all batteries are direct current, and the power adapter is also direct current: where there is [Positive and negative polarityIt's all direct current.

Lithium batteriesIt is the same as other batteries, with [Positive and negative electrodesThe current flows from a high potential to a low potential, which is [Direct current.

Lithium batteries belong to a type of DC power source. The positive and negative poles of an AC power source are not fixed, but change alternately over time.

Lithium batteries belong to direct current, and at present, all batteries in our country are direct current, which can be stored, and there is no way to store alternating current for a long time.

The battery comes out of DC, so it is DC, if you want to turn it into AC, just get an inverter

Lithium battery is a DC power source, which belongs to direct current.

As long as it is a battery, no matter what kind of battery, it produces direct current.

Direct current! Will this be a problem?

The battery is alternating current.

The battery of new energy vehicles is alternating current, and the AC pile provides power to electric vehicles with on-board chargers, and the output is not adjusted; The DC pile directly charges the battery of the electric vehicle, and adjusts the output voltage and current according to the BMS, which is much more complex than the AC pile.

Charging method

1. AC charging method: AC charging generally uses 220V one-way AC power or 380V three-phase AC power, which is converted into DC power of appropriate voltage through the on-board charger installed in the car to charge the on-board power battery. The charging current of this method is small, and the charging time is generally more than 6h. This method of charging is mostly used in electric vehicle home charging facilities and small charging stations.

2. Wireless charging methodsAt present, there are three main wireless charging methods: electromagnetic induction, magnetic field resonance, and radio wave. Electromagnetic induction type is to install the power receiving coil on the chassis of the car, and the power supply coil is installed on the ground, when the electric vehicle travels directly above the power supply coil.

There is an alternating current passing through the power supply coil, and a certain current is generated in the receiving coil through electromagnetic induction.

The principle of power generation of the alternator

When the external circuit energizes the excitation winding through the brush, a magnetic field is generated, which magnetizes the claw pole into the n pole and the S pole. When the rotor rotates, the magnetic flux changes alternately in the stator winding, and according to the principle of electromagnetic induction, an alternating induced electromotive force is generated in the three-phase winding of the stator. This is how the alternator generates electricity.

The battery is direct current.

Direct current is divided into positive and negative electrodes, and cannot be mixed up when used. Only single-phase and three-phase are available for alternating current, and there is no concept of phase for direct current. The charger converts the mains power into direct current that is a little higher than the battery voltage and then charges the battery.

When charging, the positive pole of the charger's output voltage is connected to the positive pole of the battery, and the negative pole is connected to the negative pole of the battery.

In the ascending of DC circuits, electrons are formed from the cathode, negative electrode, and negative magnetic electrode, and move to the anode, positive electrode, and positive magnetic electrode. However, physicists define direct current as the movement from the positive electrode to the negative electrode.

Advantages of direct current

1. When the same power is transmitted, the wire used in DC transmission is only 2 3 1 2 of AC transmission.

2. In cable transmission lines, there is no capacitive current in DC transmission, while there is capacitive current in AC transmission line, which causes loss.

3. When DC transmission, the AC systems on both sides do not need to operate synchronously, while AC transmission must operate synchronously.

4. The loss of DC transmission failure is smaller than that of AC transmission If the two AC systems are interconnected with AC lines, when a short circuit occurs in one side of the system, the other side should transmit a short-circuit current to the fault side.

The electricity of the battery belongs to direct current.

1. The working principle of the battery:

A lead-based grid filled with spongy lead (also known as a lattice body) is used as the negative electrode, a lead-based grid filled with lead dioxide is used as the positive electrode, and a density of dilute sulfuric acid is used as the electrolyte.

When the battery is discharged, the metal lead is the negative electrode, and the oxidation reaction occurs to generate lead sulfate; Lead dioxide is the positive electrode, and a reduction reaction undergoes to form lead sulfate. When the battery is charged with direct current, elemental lead and lead dioxide are generated at the two poles, respectively. After the power supply is removed, it returns to its pre-discharge state and forms a chemical cell.

Lead-acid battery can be repeatedly charged and discharged, its single voltage is 2V, the battery is a battery pack composed of one or more monomers, referred to as the battery, the most common is 6V, and other land cracks have 2V, 4V, 8V, 24V batteries. For example, the battery (commonly known as battery) used in the car is a battery pack of 6 lead-acid batteries connected in series into a 12V.

2. Definition of direct current:DC power supply has positive and negative electrodes, the potential of the positive electrode is high, the potential of the negative electrode is low, when the two electrodes are connected with the circuit, the potential difference between the two ends of the circuit can be maintained constantly, so as to form a current from the positive electrode to the negative electrode in the external circuit. A DC power supply is an energy conversion device that converts other forms of energy into electrical energy supply circuits to maintain a steady flow of current.

3. Common DC power supplies are:Dry batteries, accumulators, DC generators, etc.

4. Commonly used vehicle batteries are mainly divided into three categories:Ordinary batteries, dry-charged batteries, maintenance-free batteries.

(1) Ordinary battery:The plates of ordinary batteries are composed of lead and lead oxides, and the electrolyte is an aqueous solution of sulfuric acid. Its main advantages are stable voltage and low price; The disadvantages are low specific energy (i.e. energy stored per kilogram of battery), short service life and frequent routine maintenance.

(2) Dry-charge battery:Its full name is dry charged lead-acid battery, its main feature is that the negative plate has a high power storage capacity, in a completely dry state, can save the power obtained within two years, when using, only need to add electrolyte, trembling cherry blossoms and so on for 20 - 30 minutes can be used.

(3) Maintenance-free battery:Due to the advantages of its own structure, the consumption of electrolyte is very small, and there is basically no need to replenish distilled water during the service life. It has the characteristics of earthquake resistance, high temperature resistance, small size and small self-discharge.

The service life is generally twice that of ordinary batteries.

There are also two kinds of maintenance-free early hole closed batteries on the market: the first is to add electrolyte at one time when purchasing, and no maintenance is required in later use (add replenishment solution) The other is that the battery itself has been added with electrolyte and sealed when it leaves the factory, and the user cannot add replenishment at all.