博文

Are Lithium-Ion Batteries Really Environmentally Friendly?

图片
  As an   18650 Battery Factory , share with you. Lithium batteries have the largest number of applications, and their safety risks can be great. Needle punch, short circuit failure, extrusion molding. When the lithium battery has a short circuit failure, acupuncture or extrusion molding, it will cause the internal diaphragm to crack, causing the temperature to rise suddenly, and finally an explosion accident, especially the lithium battery with a weaker safety factor, this time will be even longer. Short, it will explode in about 5 seconds. 4.2 v 18650 Battery Thermal shock. Thermal shock refers to the situation where the working temperature suddenly rises. If the temperature rises, the negative surface SEI film of the lithium ion battery will dissolve, which will cause a chemical reaction. If the heat dissipation is not good, the internal temperature of the rechargeable battery will rise rapidly. High, and then an explosion occurs. Over battery charging flow. Assuming that t...
发表评论
阅读全文

Should I Choose a Battery or a Lithium Battery for Cleaning Equipment?

图片
  At present, floor scrubbers and sweeping robots have long become necessary cleaning equipment for property management companies. You can often see small carts or small carts. And the car wash shops and cleaning on the sales market mostly use battery-driven system software, that is, the use of lead-acid batteries is maintenance-free. And today   18650 3.7 v Battery Factory   wants to talk to you about lithium batteries. Should I choose a battery or a lithium battery for cleaning equipment? Lithium-Ion Battery 01 Charge and use Lead-acid battery has only 500 times of deep charge and deep discharge. It has battery charging memory and has a service life of about 2 years. In contrast, lithium batteries are more durable and have no battery charging memory. The cycle system frequency reaches 1500 times. up and down. The washing vehicle after charging the battery generally takes 3-4 hours, but if the cleaning area is large, and the total use time of the washing vehicle in a day...
发表评论
阅读全文

What is the Principle of Overprotection of Lithium Batteries?

图片
  As an   18650 Battery Factory , share with you. The protection circuit of this lithium-ion battery consists of a protection IC and two power MOSFETs. The protection IC monitors the battery voltage and switches to an external power MOSFET in the event of overcharge and discharge. Its functions include overcharge protection, overdischarge protection and Over current/short circuit protection. 18650 Battery The principle of the overcharge protection IC is as follows: When the external charger is charging the lithium battery, in order to prevent the internal pressure from rising due to the temperature rise, the charging needs to be stopped. At this time, the protection IC needs to detect the voltage of the battery, and when it reaches (assuming the overcharge point of the battery is), it is overcharged, which turns the power MOSFET off, and then cuts off charging. In addition, you must also pay attention to the overcharge detection error caused by noise, so as not to be judged as...
发表评论
阅读全文

What are the Factors that Affect the Health of Lithium Batteries?

图片
  As an   18650 Battery Factory , share with you. In recent years, reference documents in various countries around the world have carried out a lot of scientific research on the embrittlement system and regularity of lithium batteries. It is widely believed that the accumulation of lithium-ion batteries, the increase in SEI film thickness and the damage of active materials are caused by the embrittlement and volume attenuation coefficient of rechargeable batteries. The key reason. The indiscriminate use of lithium batteries will accelerate the embrittlement of rechargeable batteries, and all normal charging and discharging will also endanger the physical and mental health of rechargeable batteries and accelerate the embrittlement of rechargeable batteries. Pansonic Battery 1. The harm of temperature to the SOH value of rechargeable batteries. It is generally believed that temperature is a key element that endangers battery health. Temperature has a two-way hazard to battery pe...
发表评论
阅读全文

Why is the Lithium Battery not Fully Charged?

图片
  As a   18650 3.7 v Battery Factory , share with you. 1. The lithium battery pack cannot be charged. The lithium battery pack in a pure electric vehicle cannot be charged when the battery is charged. The reasons can be divided into: wrong charging head or common failure of the charging head; rain shield maintenance or lithium battery protection board invalid; lithium battery pack and high-power electrical appliances Short circuit outside. 18650 Battery 3.7 V 2500mah After solving the safety hazards, we searched successively: Is the charging head connected incorrectly, whether the positive and negative power plugs of the lithium battery pack are connected incorrectly; eliminate the maintenance of the lithium battery protection board of household appliances, restart the MOS tube, and accurately Measure whether the MOS tube has the operating voltage of the driver; check whether the wiring is broken. 2. Lithium batteries cannot be discharged. The lithium battery pack in a pure el...
发表评论
阅读全文

What are the Advantages and Disadvantages of 18650 Batteries?

图片
  As a   18650 3.7 v Battery Factory , share with you. The number 18650 in the lithium battery 18650 means the external size of the battery: 18 refers to the diameter of the battery, 65 refers to the height of the battery, and 0 refers to the cylindrical shape. The general 18650 battery is divided into lithium ion battery, lithium iron phosphate battery and nickel hydrogen battery. The capacity of NiMH batteries is generally 2500MAH, and the capacity of lithium batteries is generally 1200MAH-3100MAH. Pansonic Battery Li-ion, LithiumIonBattery: Lithium batteries are widely used because of their light weight, large volume, and no memory. Many digital products use lithium batteries as switching power supplies, although their prices are relatively expensive. The specific energy of the rechargeable battery is very high, and its volume is twice the specific energy of the nickel-hydrogen rechargeable battery of the same net weight, and the life rate of the lithium battery is extremel...
发表评论
阅读全文

What is the Role of the Lithium Battery Diaphragm?

图片
  As a   18650 3.7 v Battery Factory , share with you. The diaphragm is one of the important inner components in the structure of lithium batteries. The characteristics of the diaphragm determine the page structure and internal resistance of the rechargeable battery. It immediately endangers the volume, circulation system and safety factor of the rechargeable battery. Excellent diaphragm characteristics are the key element to improve the comprehensive performance of rechargeable batteries. SANYO Lithium Ion Battery The technical difficulty of the diaphragm depends on the hole making process and the preparation of the plate. The hole making engineering design includes the pulse damper hole making process, production line equipment and product reliability. The key scientific research is the preparation of polypropylene, high-pressure polyethylene raw materials and preservatives, and the processing technology of modified materials. Insufficient porosity, uneven thickness and poor...
发表评论
阅读全文