23 Years' Battery Customization
Sep 27, 2022 Pageview：751
Lithium Ion batteries are widely used owing to their higher density, low self-discharge rate, higher full charge voltage, no stress of memory effects, and deep cycle effects. These batteries are made up of lithium, as the name suggests, which a lighter metal is offering high electrochemical qualities and energy density. This is why it is considered an ideal metal for devising batteries. These batteries are popular and are used in several products including toys, power tools, energy storage systems (like solar panels storage), headphones (wireless), phones, electronics, laptop appliances (both small and large), and even in electric vehicles.
Lithium Ion batteries also known as LiBs work through the movement of lithium ions from the cathode to the anode and vice versa in the presence of a strong electrolyte. Movement from cathode to anode happens to store charge current whereas movement from anode to cathode happens to release the stored charge power.
Lithium-ion battery maintenance
Like any other battery, Lithium Ion batteries also need regular maintenance and critical care while handling. Proper maintenance is the key to using the battery comfortably till its’ useful life. Some of the maintenance tips that you should follow include:
Religiously follow the charging instructions mentioned on your battery by taking special care of temperature and voltage parameters.
Use good quality chargers from authentic dealers.
Though Lithium Ion batteries can be charged at a temperature range of -20°C to 60°C but the most suitable temperature range lies between 10°C to 30°C.
Do not charge the battery at a temperature above 45°C as it can lead to battery failure and can lower battery performance.
Lithium Ion batteries do come in deep cycle form but it is not advised to drain your battery till 100% of the power. You can use 100% battery once every 3 months but not on daily basis. You should at least put it back to charge after consuming 80% of the power.
If you need to store your battery, then make sure to store it at room temperature with 40% charging only.
Do not use at very high temperature
Refrain from overcharging as it lowers the charge-holding power of the battery.
Lithium-ion battery degradation
Like any other battery, Lithium Ion battery also degrades over time. Degradation of Lithium Ion batteries is inevitable. The degradation initiates and continues from the time you start using your battery. This is so because the basic and major reason for degradation is the chemical reaction that takes place inside the battery. The parasitic reaction may lose its strength over time decreasing the power and charge capacity of the battery which in turn degrade the battery performance. There are two major reasons for this lower strength of the chemical reaction. One reason is that the mobile Lithium Ions are trapped in side reactions which lower the number of ions to store and discharge charge current, whereas the second reason is the structural disordering which affects the performance of electrodes (anode, cathode, or both).
Several factors affect the rate of degradation. The usual factors include the temperature at which you store your battery, temperature variations, current, charging voltage, discharge voltage, and the level of battery charging and discharging. One of the major and most repetitive factors is overcharging of the battery. Overcharging causes a trickle charging effect if you leave your 100% charged battery still on with the charger and this phenomenon is usually overseen by the owners which becomes the major cause of lowering the useful life of the battery.
If you minimize the speed of battery degradation by understanding how to control the factors that aid in degradation then you can surely save your battery from early failure and enhance its useful life.
As a rule of thumb, the useful life of a well-maintained Lithium Ion battery is around 2 to 3 years or 500 cycles of charge or whatever phenomena eventuate first.
Here one cycle of charge means that you recharge your battery to full capacity and then use the battery power to its fullest (100%). It does not mean that you have to use all of your power in one go. In simpler words, as the battery is advised to be recharged after consuming 80% of power then it means that you can charge and discharge the battery power 625 times or if you charge and consume 100% power of the battery (which is not advisable) then you can use the battery for 500 times.
Lithium-ion battery fast charging
Lithium Ion battery can be charged in just 10 minutes by opting fast charging method. The energy of fast-charged cells is low as compared to normal charging. To do fast charging you have to ensure that the charge temperature is set at 600C or 1400F which is afterward cooled down to 240C or 750F to put a limit to battery dwelling at the elevated temperature.
Fast charging also has the risk of anode plating which can damage the batteries. This is why fast charging is only recommended only for the first charge phase. To do fast charging in a way that your battery life is not degraded you have to do it in a controlled manner. The cell design plays a major role in ascertaining that the Lithium Ion can absorb the maximum amount of current charge. Though it is commonly assumed that cathode material governs the charge absorption capacity but it is not true in reality. A thin anode having little graphite particles and a high level of porosity aids in fast charging by offering a comparatively bigger area. This way you can quickly charge power cells but the energy of such cells is comparatively low.
Though you can charge a lithium Ion battery in a fast way it is advised to do so only when it is utterly needed because you surely don’t wanna risk your battery life over it. You should also make sure to use a fully functional good quality charger that gives you advanced options like selecting charge time to ensure that you put a less stressful charge for that time.
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