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In this work, a facile method has been developed to prepare 3D foam-like MnO2 film/multilayer graphene film/Ni foam (MnO2/MGF/NF) hybrid structure for flexible supercapacitors. In this method, the MGF is grown by ambient pressure chemical vapor deposition on NF and the MnO2 is fabricated by an improved chemical bath deposition under neutral condition. In hybrid structure, the MGF serves as a buffer...
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