Abstract:

In today's world, due to the ever-increasing energy demand and the necessity of reducing carbon emisions create various difficulties and challenges. This requires concentrating on other types of energy, namely renewable energy sources, and efficient energy storage. High power density, long-lasting and cost-effective storage devices are demanded for the energy storage, and battery technology is the solution to this need. Lithium-ion batteries (LIB) are the most popular rechargeable batteries for portable electronic devices. Having high electrical density, high speed charging feature, slow discharge and long life are the advantages. Lithium-ion batteries are more expensive than NiCd batteries, but smaller and lighter, they operate over a wide temperature range. Thanks to these features, LIB has been started to be used in many areas. The major disadvantage of LIB is its degradation at high temperatures. The components of the battery have a great influence on this problem. The separators are one of the most important components that are not directly involved in the electrochemical reaction inside the batteries, prevent internal short circuits by breaking the contact between the electrodes, store liquid electrolytes, ensure efficient transfer of ions during charge-discharge processes, and enable the use of LIBs at high temperatures.. In this review, we try to provide a comprehensive overview of the use of hexagonal boron nitride in LIBs.

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