fig11
![Design of manganese dioxide for supercapacitors and zinc-ion batteries: similarities and differences](https://image.oaes.cc/079ae441-6d1e-4da3-af7d-a0702043cdeb/5321.fig.11.jpg)
Figure 11. (A) Synthesis of SiO2@phenol-formaldehyde resin (RF), SiO2@RF@polydopamine (PDA), NHCSs and NHCSs@MnO2 composites using tetraethoxysilane (TEOS) as Si source. (B) cyclic performance of NHCSs@MnO2 at 100 mA g-1 for 200 cycles. Reproduced with permission[147]. Copyright 2020, Elsevier. (C) 3D structure of CNT conductive networks and fabrication of CMOP cathodes. (D) long-term cycling performance of CMO and CMOP electrodes. Reproduced with permission[148]. Copyright 2019,