Advantaged with broad availibility and environmental sustainability, redox-active organic polymers have recently been studied intensively as sustainable cathode materials for rechargeable lithium-ion batteries (LIBs). Other than the inexhaustible biomass, wastes from the contemporary chemical industries are alternative sustainable resources to be explored as electrode materials. Phenazine, a by-product from RT-base industrial with annual yield of about 1,000 tonnes in China, releases about 3,500 tonnes of carbon dioxide per year to the environment when disposed of by burning directly. In this work, a novel phenazine-derived polymer, poly(5-methyl-10-(4vinylbenzyl)-phenazine) (PVBPZ) featured with a robust redoxactive dihydrophenazine moiety, was achieved through a facile two-pot synthetic procedure and explored as excellent cathode material of LIBs. PVBPZ exhibited robust cycling stability, outstanding rate performance, and high capacity retention (up to 90 %) after 300 cycles at 0.2 A g À 1 . This work provides a feasible way to utilize phenazine as a valuable material, avoiding the release of huge amount of greenhouse gases and contributing to the relief of environmental deterioration.
Fully utilization of chemical industrial wastes is critical to the ecological and social sustainability. Amongst, it is rather fascinating to utilize redox-active organic wastes as sustainable electrode materials for rechargeable...
Novel lithium bis(2,3-dihydroxyphenazine)borate (LDPB) displays excellent electrochemical performance and was produced using a spiroboration salification strategy, which has been proven to be an effective way to develop novel electrode materials.
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