There has never been such a long-lasting lithium-ion battery. Up to 5 years without loss of capacity

Ready for the next great invention in the battery market? This time, scientists from JAIST, the Japanese Institute of Science and Technology, have developed an example of a durable lithium-ion battery that is able to withstand up to 5 years of use without significant energy loss.

The new material allowed for the development of a record-lasting lithium-ion battery

Japanese scientists found that the new material (with English. bis-imino-acenaphthenequinone-paraphenylene) can significantly enrich the positive electrode as a binding material. It is a substance that is used to coat the electrode and helps to prevent the electrode material from breaking down and degrading through continuous charging and discharging cycles.

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Typically, lithium-ion cells that build battery packs use graphite anodes coated with polyvinylidene fluoride (PVDF) with a life of approximately 500 charge cycles at full (rated) capacity. These after half a thousand cycles limited the capacity to 65%.

According to JAIST’s research, the new anode coating material is able to withstand 1,700 charging cycles, keeping the battery capacity at 95%. Translating this into practical use, in the case of a smartphone charged at least once a day, it means almost 5 years of full battery efficiency.