Anions and cations in dual-ion batteries act like cowherd and weaver girl

Dual-ion batteries (DIBs), in which both cations and anions are involved in the electrochemical redox reaction, comprise a promising candidate to meet the low-cost requirements of commercial applications. Compared with conventional lithium-ion batteries (LIBs), they have advantages like high working voltage, excellent safety, and environmental friendliness.

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