OXYGEN ENERGY ENTERPRISES’ Post

🏝 Differences between batteries 🔋 LFP lithium iron phosphate battery: nominal voltage 3.2V  😀 Advantages:High cycle times, high temperature resistance, cheap materials 😞 Disadvantages: lower energy density, low range. 🔋 NCM lithium ternary batteries: nickel-cobalt-manganese cathode material, nominal voltage of 3.7V 😀 Advantages:High energy density, good range, general cycle, high discharge point multiplier 😞 Disadvantages:Poor safety performance, cycle is not as good as LFP. 🔋 Lithium Titanate:Anode material, low voltage 😀 Advantages: good low temperature and cycle performance, high cycle life. It is claimed that it can be passed on for three generations, and the number of cycles reaches tens of thousands of times. 😞 Disadvantages: extremely poor range. 🔋 Lithium manganate: positive material, nominal voltage 3.7V 😀 Advantages: convenient material source, high discharge rate, stable structure 😞 Disadvantages: low cycle life.

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#NCA #Batteries Aluminum contained in NCA batteries is an alkaline metal that may cause a side reaction releasing large amounts of gas during battery operation. This will cause the battery to bulge. The higher the nickel content in NCA batteries, the lower the thermal stability. Compared to NMC batteries, NCA batteries have a higher energy density, and they also improve battery life by replacing the environmentally unfriendly manganese with aluminum. However, NCA battery packs still have a shorter life cycle and are more expensive than LFP batteries due to their use of cobalt and nickel. Advantages: 1. Higher energy density (better range) 2. Do not use unsustainable manganese Cons: 1. Still expensive 2. Shorter cycle life #Lithium #Ion #Battery #Raw #Material #Powder

Copper is one of the most challenging materials to laser mark due to its high thermal conductivity. Lase-X has developed a laser that can mark it with an average power of just 100mW; this is essential for battery powered operation.

Voltage hysteresis is a characteristic of lithium sub-batteries and the basis for the existence of this type of battery. Its principle is as follows: the thionyl chloride electrolyte that makes up the battery is a strong oxidizing chemical substance, which simultaneously acts as the electrolyte and the positive electrode activity of the battery. The role of substances, after thionyl chloride comes into contact with the metal lithium, the negative active material of the battery, a dense passivation film is immediately formed on the surface of the metal lithium. This passivation film is an ionic conductor, and lithium ions can passivate Migrate in the passivation film, but because its migration rate is very small, it will block the battery from reacting. When the current flowing in the battery is not greater than 1μA/cm2 (metal lithium surface area), the migration rate of lithium ions in the passivation film can To meet the requirements, when the current is large, the limitation of the migration rate of lithium ions in the passivation film has a serious impact, and a large voltage drop occurs at both ends of the passivation film. At this time, the specific manifestation is that the battery load voltage is low; as the current increases As it continues to flow, the passivation film gradually ruptures, the voltage drop at both ends gradually decreases, and the load voltage of the battery gradually increases until it is normal. The gradual rupture process of the passivation film is the elimination process of battery voltage lag. more details pls visit:www.highdrivebattery.com

In button batteries, Electrolytic Manganese Dioxide (EMD) functions as the cathode, providing stable energy release and boosting longevity through sustained electrical performance.

Graphite sagger for sintering positive and negative electrodes of LFP batteries

Graphite sagger for sintering positive and negative electrodes of LFP batteries

Share knowledge The reason why aluminum electrolytic capacitors have life problems is because of the electrolyte. This electrolyte will decompose by itself to produce gas, and will also react chemically with the oxide film to produce gas. This phenomenon is very surprising during normal use. The loss of electrolyte will cause the parameters of the electrolytic capacitor to change. When the electrostatic capacity, loss tangent value, and leakage current of the aluminum electrolytic capacitor exceed the specified value, we say that the life of the electrolytic capacitor has expired. Therefore, the faster the electrolyte is lost, the shorter the life of the electrolytic capacitor. And this chemical reaction is mainly related to temperature.

Thermal Runaway The threat with lithium ion batteries is known as thermal runaway. When a Li-ion battery overheats due to some previous damage that creates a short circuit, the unit continues a catastrophic internal chain reaction until it melts or catches fire. Most instances of thermal runaway are owner induced by dropping or substantially damaging their electronic device. Another cause is the use of gray market charging devices. A Li-ion fire can also emit smoke and fumes. Combustion by-products include “hydrogen fluoride, methyl carbonate, ethylene carbonate, carbon monoxide Two things to remember “First, the release of combustion by-products during a thermal runaway of the battery (and its container). Second, if a battery fire catches other things on fire, it will produce a lot of additional smoke and fumes. The combination makes poison. Any white-hot bits of metal or gel from an exploding battery could cause third-degree burns to anyone they contact. Other fumes like carbon monoxide are odorless and invisible, yet lethal.