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Lithium polymer Battery vs. lithium-ion Battery

By aussie_batt : A how to tutorial about Lithium polymer, lithium-ion, laptop battery, Technology with step by step guide from aussie_batt.

Lithium-polymer has significant advantages over traditional wet lithium-ion traction batteries, including higher energy density and lower manufacturing costs. Lithium polymer is more resistant to physical damage and it can handle more charge-discharge cycles before storage capacity begins to degrade. Lithium polymer technology also offers significant advantages in thermal robustness and safety.

Traditional lithium-ion laptop batteries are easy to handle, withstand mild internal pressures, and have been around in various forms since 1991. That means a manufacturing infrastructure is in place, and economies of scale are reasonably high. However, they do have several disadvantages. For example, their typically cylindrical shape reduces packaging efficiency and they are complicated to manufacture since they have so many small parts necessary to make them robust to thermal fluctuations, this adds significant cost and weight to the overall battery system.

Cell-to-cell consistency is extremely critical in a vehicle Compaq 346970-001 battery package, since the pack is only as robust as its weakest cell. Traditional lithium-ion wet batteries have considerable cell-to-cell variation, while well designed lithium polymer batteries deliver outstanding cell-to-cell consistency, Hyundai being one user that has independently verified this.

Another key engineering challenge for Hyundai Hybrid Blue Drive was assuring maintenance-free battery operation over the vehicle's life. At least 10 years, and 150,000 miles in all weather conditions is targetted. Heat is the enemy of dell inspiron 1721 battery cycle life but Hyundai's thermal imaging testing showed how much cooler a lithium polymer battery is compared to today's nickel-metal hydride battery or a conventional wet lithium-ion battery. Consumers will notice these advantages in improved useful life and lower maintenance costs, says the company.

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