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The working voltage of a typical lithium battery is 3.7V, and the termination voltage is 3.2V; The working voltage of lithium iron phosphate battery is 3.26V, and the termination voltage is 2.5V.

Lithium battery is a type of primary battery that uses lithium metal or lithium alloy as the negative electrode material and non-aqueous electrolyte solution. It is different from rechargeable batteries such as lithium-ion batteries and lithium-ion polymer batteries. The inventor of lithium batteries was Edison. Due to the highly reactive chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high environmental requirements. So, lithium batteries have not been applied for a long time.

Lithium batteries are usually divided into two categories:

Lithium metal batteries: Lithium metal batteries generally use manganese dioxide as the positive electrode material, metallic lithium or its alloy metal as the negative electrode material, and use non-aqueous electrolyte solutions.

Lithium ion batteries: Lithium ion batteries are generally batteries that use lithium alloy metal oxides as the positive electrode material, graphite as the negative electrode material, and non-aqueous electrolytes.

Reasons for lithium battery explosion:

1. There is significant internal polarization.

2. The electrode absorbs water and reacts with the electrolyte, causing gas bubbles.

3. Quality and performance issues of the electrolyte itself.

4. The amount of liquid injected does not meet the process requirements.

5. During the assembly process, the sealing performance of laser welding is poor, and there is gas leakage. When measuring the gas leakage, it is missed.

Dust and polar dust are the first to cause micro short circuits.

7. The positive and negative electrode plates are thicker than the process range, making it difficult to insert into the shell.

8. Injection sealing problem, poor sealing performance of steel balls leading to air bubbles.

9. The incoming shell material has a thicker shell wall, and the deformation of the shell affects the thickness.

1. Lithium batteries (including batteries and other rechargeable batteries) are considered discharged when the discharge voltage reaches 0.9 times the rated voltage. Although there is still "remaining power", it cannot be continued to be used, otherwise it will damage the battery.

2. The voltage at which a battery is fully charged, also known as the "termination charging voltage" in the industry. According to the battery industry standard, this voltage is about 1.2 times the rated voltage value. For a 3.6V mobile phone battery, the termination charging voltage is 4.2-4.3V.

3. Lithium batteries (including batteries and other rechargeable batteries) have two taboos:

① Overcharging;

② Excessive discharge. So high-quality electrical equipment (such as mobile phones, handheld devices, etc.) are designed with a "power management module" that can control the charging and discharging voltage values to prevent damage to the battery.

4. Self made charging circuit must have voltage control to terminate charging, otherwise it may cause damage to the battery. Note that when charging the battery, the voltage should be used as the reference, regardless of the remaining charge.

Hello

——★ 1. Lithium batteries (including batteries and other rechargeable batteries) are considered discharged when their discharge voltage reaches 0.9 times the rated voltage. Although there is still "remaining power", it cannot be continued to be used, otherwise it will damage the battery.

——★ 2. The voltage at which the battery is fully charged, also known as the "termination charging voltage" in the industry. According to the battery industry standard, this voltage is about 1.2 times the rated voltage value. For a 3.6V mobile phone battery, the termination charging voltage is () 4.2-4.3V.

——★ 3. Lithium batteries (including batteries and other rechargeable batteries) have two taboos: ① overcharging; ② Excessive discharge. So high-quality electrical equipment (such as mobile phones, handheld devices, etc.) are designed with a "power management module" that can control the charging and discharging voltage values to prevent damage to the battery.

——★ 4. When making a self-made charging circuit, it is necessary to have a termination charging voltage control, otherwise it may cause damage to the battery. Note that when charging the battery, the voltage should be used as the reference, regardless of the remaining charge.

There is very little left. Besides, this amount of electricity needs to be retained. Compulsory discharge of all electricity can cause significant damage to the battery. Strong reduction states, electrodes, and electrolytes may undergo reactions.

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