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| Home > Publications database > Nickel Network Derived from a Block Copolymer Template for MnO$_{2}$ Electrodes as Dimensionally Stabilized Lithium-Ion Battery Anodes |
| Home > Publications database > Nickel Network Derived from a Block Copolymer Template for MnO$_{2}$ Electrodes as Dimensionally Stabilized Lithium-Ion Battery Anodes |
| Journal Article | FZJ-2017-06158 |
; ; ;
2017
Wiley-VCH
Weinheim [u.a.]
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Please use a persistent id in citations: doi:10.1002/ente.201600459
Abstract: To improve lithium-ion batteries further, novel concepts for the reproducible preparation of highly structured bicontinuous battery electrodes are required. With this in mind, the main focus of this work is based on the block copolymer template-directed synthesis of metal nanofoams suitable for the rational study and design of the final conductive matrix through molecular engineering of the starting polymer. As a proof of concept, diverse MnO2 electrodes with nickel foam as substrates are prepared and morphologically and structurally characterized by means of SEM, Raman spectroscopy, and XRD. To investigate the electrochemical properties of the prepared MnO2–nickel foam electrodes, cyclic voltammetry and galvanostatic cycling experiments, including C-rate tests, are performed and the obtained results are discussed with respect to the deposition time. Compared with the reference, namely, bulk MnO2–nickel foil electrodes, superior electrochemical characteristics, particularly regarding C-rate capability and long-term cycling stability, are achieved, which is attributed to better dimensional stability of the composite electrode.
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