New hierarchical metal-organic nanocomposite cathode for high-energy sodium-ion batteries
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SEPTEMBER 11, 2017
Building on earlier work, researchers in China have fabricated a hierarchical metal-organic nanocomposite for use as a cathode in sodium-ion batteries (SIBs). Their electrode—metal-organic cuprous tetracyanoquino-dimethane (CuTCNQ) in a three-dimensional (3D) conductive carbon nanofibers (CNFs) network (CuTCNQ)—exhibits a capacity of 252 mAh g -1 at 0.1 C and highly reversible stability for 1200 cycles within the voltage range of 2.5 - 4.1 V (vs.
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