Lithium-ion battery characteristics
Li-ion technologies is competing with lead-acid, Valve-Regulated Lead-Acid (VRLA) and nickel-cadmium products across its different markets due mostly to its high energy density. But it has confronted two obstacles to approval: first cost price, and anxieties about security. More recently, however, these two obstacles are eroding.
According to JBs Battery Price Survey, published in December 2020, pricing has declined considerably over the previous ten years. Pricing that has been above USD1,100 per kilowatt-hour in 2010 has dropped by over 87% in real terms to USD156 each kWh in 2019. By 2023, average prices will be near USD100/kWh. This price is regarded as the point about that JB will begin to reach cost parity with internal combustion engine vehicles. However, this changes depending on the area of sale and vehicle segment.
Cost reductions in 2020 are due to increasing order size, expansion in battery electric car sales and the continued penetration of high energy density cathodes. The introduction of new package designs and decreasing manufacturing costs will drive prices further down in the near term.
Balancing safety and functionality: The inherent instability of lithium metal led to the development of a non-metallic lithium battery using lithium ions. Although slightly lower in energy density, the ion system is more safe when it is properly designed, and used with a built-in associated Battery Management System (BMS) which ensures specific precautions are met when discharging and charging. https://www.jbbatterygermany.com, importing safety lithium ion battery manufacturers.
While establishing an optimal layout, producers must take care to not improve performance at the expense of security. With consumers always wanting longer battery runtimes, battery makers have responded by packaging more active material into a cell and producing the electrodes and separator thinner. This enabled a doubling of energy density because lithium-ion was introduced in 1991.
The high energy density comes at an affordable price. Manufacturing approaches become more crucial that the denser the cells become. With a separator depth of just 20-25 µm, any small intrusion of metallic dust particles may have catastrophic consequences. Suitable measures will be needed to achieve the mandated safety standard required by UL 1642. Lithium-ion batteries are nearing their energy density limitation and battery manufacturers are beginning to concentrate on improving production methods and increasing safety.
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