What determines the cycle life of batteries? And, more importantly, how can we extend it? An international research team led by TU Delft has discovered that local disorder in the oxide cathode material increases the number of times Li-ion batteries can be charged and discharged. Their results have been published inRechargeable batteries are a key ingredient of the energy transition, especially now that more and more renewable energy is becoming available.
To solve this problem, the 'Storage of Electrochemical Energy' group at TU Delft teamed up with international researchers. The paper's lead author, Qidi Wang:"The layered oxide used as cathode material for Li-ion batteries is neatly ordered. We conducted a structure design study to introduce chemical short-range disorder into this material through an improved synthesis method. As a result, it became more stable during battery use.
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