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Efficient processed carbon Soot@MoS2 hybrid Bi-functional electrode for dye-sensitized solar cell and asymmetric supercapacitor devices

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Nano Materials Science 2024年第4期6卷 484-494页

作者： B.Arjun Kumar Gopal Ramalingam salah addin burhan al omari Zhumabay Bakenov Sambasivam Sangaraju Sangarapani Sudhakar Quantum Material Research Lab (QMRL) Department of Nanoscience and TechnologyAlagappa University Department of Mechanical and Aerospace Engineering United Arab Emirates University Department of Chemical and Materials Engineering Nazarbayev University National Water and Energy Center United Arab Emirates University Department of Physics Alagappa University

A feasible approach to rectify the world's energy demand using sustainable development of adequate energy generation and storage technologies in a single *** this respect,we made a holistic approach with a bifunctional electrode material to perform effectively in energy generation and storage ***2nanosheets were produced by the eco-friendly method and reduced graphene oxide is used to prepared by carbon soot which is derived from castor *** prepared soot and rGO were combined with MoS2nanosheets using a simple sonication *** as-prepared sample was introduced in the supercapacitor and DSSC *** combination MoS2@rGO provides an enhanced conversion efficiency of 11.81%and the reproducibility of DSSC is also ***,MoS2@rGO is used to fabricate an asymmetric supercapacitor to investigate its real-time *** device produced the maximum power density （1666.6 mW/kg） and energy density （25.69 mWh/Kg） at 1 A/*** asymmetric supercapacitor device holds a cyclic stability of 81.4%for 5000 cycles and it powered up an LED device for 4 min.

关键词： Carbon soot Solar cells Supercapacitors MoS 2 DSSC

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Design and Implementation of Live Broadcast and Video on Demand Streaming System Based on Http Live Streaming Protocol

Design and Implementation of Live Broadcast and Video on Dem...

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作者： salah addin Mohammed 北京理工大学

学位级别：硕士

HTTP adaptive streaming has become one of the dominating technologies for adaptivevideo streaming. Several HTTP adaptive streaming formats are currently available, One ofthese formats, which is now one of the primary methods for delivery of video content, isHTTP Live Streaming (HLS).In this master s thesis project, a design and implementation of HLS-based livebroadcast and video on demand streaming system has been presented. The designed systemsupports a variety of video sources as well as a variety of terminal devices.In order to evaluate the capabilities of the system, an evaluation has been *** evaluation focused on the live broadcast, because the live content cannot be cached inadvanced at the device of the user. Thus, the user quality of experience will be affected bythe currently available bandwidth that the user can utilize.The implementation of the system enables smooth play back of the live video contentvia client devices. Results of the experiments, which were performed to evaluate the system,have shown that the adaptation mechanisms in the designed system efficiently utilize theavailable bandwidth of the network, whereas the time delay reduced to8seconds in thecase of live broadcast streaming.

关键词： HTTP HLS streaming live broadcast video on-demand

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