Rechargeable zinc-based batteries (RZBs) using low-cost zinc metal anodes are feasible for large-scale energy storage, but the developments currently are restricted by the poor performances. Here we constructed a particular dual-ion battery (DIB) based on zinc hexacyanoferrate (ZnHCF) cathode, zinc metal anode, and non-aqueous K⁺/Zn²⁺ hybrid ions electrolyte. It was revealed that K⁺-ions occupied almost all the cavities in ZnHCF at high voltage over 1.7 V (vs. Zn²⁺/Zn), which effectively blocked Zn²⁺-ions insertion. The ZnHCF showed a zero-strain characteristic during the repeated K⁺-ions intake/removal. Meanwhile, the charge screening effect of additive K⁺-ions on optimizing the zinc electrodeposition process ensured the reversible and dendrite-free Zn plating/stripping. The DIBs demonstrated excellent rate performances (57 and 47 mAh g_cathode^‒1 at 2000 and 5000 mA g^‒1, respectively) and incredibly 100,000-cycles life with 74% capacity retention.

使用低成本锌金属负极的可充电锌基电池（RZBs）对于大规模储能是可行的，但目前的发展受到性能不佳的限制。在这里，我们构建了一种基于六氰基铁酸锌 (ZnHCF) 阴极、锌金属阳极和非水性 K ⁺ /Zn ²⁺混合离子电解质的特定双离子电池 (DIB) 。结果表明，在超过 1.7 V ( vs. Zn ²⁺ /Zn) 的高压下，K ⁺ -^离子几乎占据了 ZnHCF 中的所有空腔，这有效地阻止了 Zn ^{2+ - 离子的}插入。ZnHCF 在重复的 K ⁺离子摄入/去除过程中表现出零应变特性。同时，添加剂 K 的电荷屏蔽效应⁺ - 离子对锌电沉积工艺的优化确保了可逆且无枝晶的锌电镀/剥离。DIB 表现出优异的倍率性能（分别在 2000 和 5000 mA g ^‒1时分别为57 和 47 mAh g_阴极^‒1）以及令人难以置信的 100,000 次循环寿命和 74% 的容量保持率。