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A new pseudocapacitive nanocomposite is reported in this article. Such amorphous materials were prepared via restacking of Ni-Mn LDH and MnO2 nanosheets obtained by exfoliation treatments. Synergetic effects of the two components were demonstrated in both alkaline and neutral aqueous electrolytes, as rate capability and cycle stability were both greatly improved compared to each-component samples...
Ni-Co layered double hydroxides (LDHs), as typical battery-type materials with high specific capacity and good rate property, have suffered poor cycle stability. In this work, we develop an in-situ synthesis method, which employs Ni foam as the substrate for crystal growth, simply by compensating a certain amount of hydroxyl in precursors before solvothermal reactions. Results prove that the sample...
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