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Rajneesh Kumar Mishra,Ajay Kumar Kushwaha,김승엽,서승기,진성훈 한국물리학회 2019 Current Applied Physics Vol.19 No.1
Here, we report binder-free vertical-slate-like MoS2 nanostructures on 3D-Ni-Foam (VSL-MoS2@3D-Ni foam) for low-cost high-performance solid-state symmetric supercapacitors (SSCs). The cost-effective, ecofriendly and scalable solvothermal method and its direct incorporation of VSL-MoS2@3D-Ni-foam yield SSCs with excellent electrochemical properties with a wide potential window of 1.0 V. Furthermore, high specific capacitance of 34.1 F g−1 at a current density of 1.3 A g−1, an energy density of 4.7Wh kg−1 at a high-power density of 650Wkg−1, and excellent stability with ∼82.5% capacitance retention after 10,000 cycles were demonstrated even for SSCs with a binder free MoS2 electrodes on 3D-Ni-foam. These excellent features of the SSCs with VSLMoS2@ 3D-Ni-foam substantiate their potential opportunity for future energy applications.
Mishra, Rajneesh Kumar,Kushwaha, Ajay Kumar,Kim, Seungyeob,Seo, Seung Gi,Jin, Sung Hun Elsevier 2019 CURRENT APPLIED PHYSICS Vol.19 No.1
<P><B>Abstract</B></P> <P>Here, we report binder-free vertical-slate-like MoS<SUB>2</SUB> nanostructures on 3D-Ni-Foam (VSL-MoS<SUB>2</SUB>@3D-Ni foam) for low-cost high-performance solid-state symmetric supercapacitors (SSCs). The cost-effective, ecofriendly and scalable solvothermal method and its direct incorporation of VSL-MoS<SUB>2</SUB>@3D-Ni-foam yield SSCs with excellent electrochemical properties with a wide potential window of 1.0 V. Furthermore, high specific capacitance of 34.1 F g<SUP>−1</SUP> at a current density of 1.3 A g<SUP>−1</SUP>, an energy density of 4.7 W h kg<SUP>−1</SUP> at a high-power density of 650 W kg<SUP>−1</SUP>, and excellent stability with ∼82.5% capacitance retention after 10,000 cycles were demonstrated even for SSCs with a binder free MoS<SUB>2</SUB> electrodes on 3D-Ni-foam. These excellent features of the SSCs with VSL-MoS<SUB>2</SUB>@3D-Ni-foam substantiate their potential opportunity for future energy applications.</P>