Separators are an integral part of the performance, safety, and cost of lithium batteries. The term lithium batteries refers to the non-rechargeable, lithium metal-based batteries and rechargeable lithium-ion batteries widely used in portable electronic devices. The major function of the separators is to prevent the electric conduction between the anode and cathode while permitting ionic conduction via electrolyte.Lithium-ion battery separators are primarily manufactured from non-woven fiber, polymer films, and ceramic material.
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Porous membranes are commonly used with these materials in manufacturing of lithium-ion battery separators due their low manufacturing cost, ability to prevent mixing of chemicals, and improved mechanical properties.
Based on type the lithium-ion battery separator market can be segmented into releasable lithium-ion battery separator, non-releasable lithium-ion battery separator, beaded lithium-ion battery separator, push mount lithium-ion battery separator, rising hole lithium-ion battery separator, identification lithium-ion battery separator, and heat stabilized lithium-ion battery separator.
Government regulations related to carbon emissions for the automotive and industrial sectors are prompting a shift toward lithium-ion batteries, which is boosting the expansion of the lithium-ion battery separator market. Rise in consumption of electronics products such as smartphones and tablets is further driving demand for lithium-ion battery separator market globally. Automotive manufactures are focusing on manufacturing vehicles that utilize electric drivetrains and plug-in hybrid electric vehicles, including battery electric vehicles and hybrid electric vehicles, leading to the expansion of the lithium-ion separator market.
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Low heat resistance of separators leads to the melting of the separators, which causes shut down of the battery. Moreover, safety concerns associated with the use of polyolefin separators are expected to restrain the global lithium-ion battery market. To overcome restraints, the key manufacturers are increasing porosity of the membranes by using composite materials in separators, which improves the safety and reliability of the battery.
Volatility in raw material prices and high competition in the market are expected to affect profit margins of manufacturers. Lithium-ion battery separator manufacturers are expected to expand their geographical reach in order to gain customers from niche markets and decrease their dependency on third-party suppliers. Numerous regional lithium-ion battery separator vendors are offering modified solutions at lesser prices than international vendors for increasing their presence in the global lithium-ion battery separator market. New vendors that are entering the lithium-ion battery separator market find it difficult to compete with international lithium-ion battery separator vendors based on factors such as quality, features, functionalities, and services.
Based on region, the global lithium-ion battery separator market can be classified into North America, Latin America, Europe, Middle East & Africa, and Asia Pacific. Asia Pacific is expected to dominate the global lithium-ion battery separator market during the forecast period followed by North America. Europe and North America together constitute more than 50% of the total lithium-ion battery separator market share. The lithium-ion battery separator market in Middle East & Africa, followed by that in Latin America, is expected to expand rapidly during the forecast period.