An Ultrahigh Output Rechargeable Electrode of a Hydrophilic Radical Polymer/Nanocarbon Hybrid with an Exceptionally Large Current Density beyond 1 A cm<sup>-2</sup>.
basic_science · Level V
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- Record sourced from PubMed, PMID 29756236.
- Also identified by DOI 10.1002/adma.201800900.
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Abstract
Facile charge transport by a hydrophilic organic radical-substituted polymer and the 3D current collection by a self-assembled mesh of single-walled carbon nanotube bundles lead to the operation of an ultrahigh-output rechargeable electrode. Exceptionally large current density beyond 1 A cm<sup>-2</sup> and high areal capacity around 3 mAh cm<sup>-2</sup> are achieved, which are 10<sup>1-2</sup> times larger than those of the previously reported so-called "ultrafast electrodes." A sub-millimeter-thick, flexible, highly safe organic redox polymer-based rechargeable device with an aqueous sodium chloride electrolyte is fabricated to demonstrate the superior performance.