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A layer-structured Na2CoP2O7 pyrophosphate cathode for sodium-ion batteries
119
Citations
28
References
2013
Year
Materials ScienceChemical EngineeringNa2cop2o7 PyrophosphateEngineeringBattery Electrode MaterialsLi-ion Battery MaterialsAdvanced Electrode MaterialElectrochemistryNew Potential CathodeCathode MaterialsEnergy StorageElectrochemical Energy StorageBatteriesChemistryLayered StructureSodium BatterySodium-ion Batteries
We introduce Na2CoP2O7 pyrophosphate as a new potential cathode for sodium-ion batteries. Based on a layered structure, it offers a two-dimensional Na-diffusion pathway delivering a reversible capacity close to 80 mA h g−1 involving Co3+/Co2+ redox activity with an average potential of 3 V.
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