The zinc-copper (Zn-Cu) Daniell cell is regarded as primary battery due to the crossover of the copper species. Here, the authors report a rechargeable Zn-Cu battery with the combination of chloride shuttle chemistry in a ZnCl2 aqueous/organic biphasic electrolyte, delivering a high energy density with stable cycling performance
- Chen Xu
- Chengjun Lei
- Xiao Liang