<p>➀ Researchers developed a rechargeable magnesium battery using an amorphous oxide cathode, overcoming limitations of slow magnesium reactions at room temperature;</p><p>➁ The prototype demonstrated stable energy discharge over 200 cycles, powering a blue LED, marking the first reliable ambient-condition magnesium battery operation;</p><p>➂ This innovation highlights magnesium's potential as a sustainable, abundant alternative to lithium for future energy storage systems.</p>