Lithium-ion Battery - The Pros and Cons

Lithium-ion batteries have achieved significant recognition in the world of electric vehicles. Regarded as the most advanced battery technology available, lithium batteries have gained widespread adoption by automotive companies and electric vehicle manufacturers. In this article, we will delve deeper into the world of lithium batteries, comparing them with conventional lead-acid batteries and exploring their remarkable advantages and potential drawbacks.

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1. Understanding Lithium-ion Battery

Lithium-ion batteries serve as rechargeable power sources in a wide range of modern devices. They offer the highest energy density on the market, minimal self-discharge, and highest energy memory effects. Their applications extend to military technologies, transportation systems, such as electric motorcycles, cars, and aviation equipment.

Lithium-ion batteries employ electrodes made of layered crystalline compounds. During the charging and discharging process, lithium ions move between layers, filling the voids and facilitating chemical reactions that release energy to power various devices.

2. Advantages of Lithium-ion Battery

2.1 Lightweight and Compact Design

Lithium-ion batteries stand out with their lightweight and compact design, while still demonstrating exceptionally high energy density. With the capacity to deliver up to five times more power compared to conventional lead-acid batteries, they provide unparalleled efficiency, making them an ideal choice for portable energy storage solutions.

2.2 Long Battery Lifespan

Lithium-ion batteries can endure approximately 2,000 charge-discharge cycles, providing a longer lifespan of 8-10 years.

2.3 High Energy Density

Lithium-ion batteries offer superior energy density compared to other battery types. Their low self-discharge rate ensures minimal capacity loss, even during periods of inactivity.

2.4 Enhanced Safety

Lithium-ion batteries are manufactured to meet stringent international safety standards, making them resistant to water, explosions, and other hazards. They are widely used in transportation vehicles and electronic devices.

2.5 Faster Charging Times

Lithium-ion batteries significantly reduce charging durations compared to lead-acid batteries. Selex Motors provide battery swapping networks that can fully replace depleted lithium-ion batteries with fully charged ones in just 2 minutes, eliminating the need for extended charging times associated with traditional methods.

3. Disadvantages of Lithium-ion Battery

3.1 Relatively Higher Cost

The utility of rare metals in lithium-ion batteries increases the cost of raw materials and refining processes. Therefore, the price of lithium batteries can vary among brands and be relatively higher.

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Since lithium batteries can store 3-4 times more energy than lead-acid batteries (depending on the manufacturer), individual lithium battery cells may be slightly sustained. However, the weight difference is generally negligible.

3.3 Repair and Maintenance Challenges

Due to their advanced technology and adherence to international safety standards, repairing lithium-ion batteries can be challenging. Although the likelihood of malfunctions is minimal, finding repair shops with the necessary expertise can sometimes be difficult.

3.4 Safety concerns 

Lithium batteries may risk getting damaged by extreme temperatures which may lead to safety hazards. Therefore, exercising caution when using lithium batteries in such conditions is crucial. However, this risk can be effectively mitigated by opting for high-quality batteries that have obtained the UL Certification.

4. Selex Motors&#; Patented Lithium-ion Battery Technology

Selex Motors has made significant strides in developing our lithium-ion battery technology. Our specialised electric delivery motorcycles incorporate high-capacity lithium cells from renowned manufacturers such as LG and Samsung. These cells guarantee high power output, durability, and safety. After importing the lithium-ion cells, our engineers meticulously assemble them, design internal circuitry, and package the batteries according to international standards. This ensures optimal performance for Selex electric vehicles.

Selex Motors holds the patent for our lithium-ion battery technology, issued by the National Office of Intellectual Property of Vietnam. The batteries meet international safety standards, including water resistance, explosion resistance, and impact resistance, surpassing the stringent UN38.3 requirements. Furthermore, Selex&#;s battery packs demonstrate excellent heat, water and dust resistance.

Selex Lithium batteries offer a range of up to 150 kilometres, providing enhanced convenience for drivers compared to conventional electric vehicles. Furthermore Selex&#;s universal lithium-ion batteries also have a 70% compatibility rate with other electric vehicle models. This cross-compatibility feature allows for the interchangeability of batteries between different electric vehicles, enabling all users to benefit from the convenience of battery swapping, regardless of their brands of electric scooters.

>> Register for a free test drive on our website, to experience the battery swapping process!

5. Conclusion

Lithium-ion batteries have revolutionised energy storage, especially in the context of electric vehicles. Despite their higher costs and potential repair challenges, their lightweight design, extended charge-discharge cycles, high energy density, and enhanced safety make them an ideal choice for powering modern devices.

Selex Motors, with its patented lithium-ion battery technology, has emerged as a leading provider of advanced battery solutions, offering compatibility, safety, and long-range capabilities for electric vehicles. As we strive for a sustainable future, lithium-ion batteries play a vital role in hastening the adoption of electric transportation and reducing our carbon footprint.

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Advantages and disadvantages of lithium batteries made of different materials

What are the advantages and disadvantages of batteries made of lithium cobalate, lithium manganate, lithium nickel oxide, ternary materials and lithium iron phosphate?

1. Lithium cobalate battery

Advantages: lithium cobalate has the advantages of high discharge platform, high specific capacity, good cycling performance, simple synthesis process, etc.

Disadvantages: Lithium cobalate material contains cobalt element with high toxicity and high price, so it is difficult to ensure the safety when making large power batteries.

2. Lithium iron phosphate battery

Advantages: lithium iron phosphate does not contain harmful elements, has low cost, excellent safety, and a cycle life of times.

3. Ternary lithium battery

Advantages: ternary materials can be balanced and regulated in terms of specific energy, recyclability, safety and cost.

Disadvantages: The worse the thermal stability of ternary materials is. For example, NCM11 material decomposes at about 300 &#;, while NCM811 decomposes at about 220 &#;.

4. Lithium manganate battery

Advantages: low cost, good safety and low temperature performance of lithium manganate.

Disadvantages: The lithium manganate material itself is not very stable and easy to decompose to produce gas.

The weight of lithium ion battery is half of that of nickel cadmium or nickel hydrogen battery with the same capacity; The working voltage of a single lithium ion battery is 3.7V, which is equivalent to three nickel cadmium or nickel hydrogen batteries in series; Lithium ion batteries do not contain lithium metal, and are not subject to the restrictions of aircraft transportation on the prohibition of carrying lithium batteries on passenger aircraft.

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