Journal ArticleDOI
Advances and challenges for flexible energy storage and conversion devices and systems
TLDR
In this article, an overview of the remarkable contributions made by the leading scientists in this important and promising research area is given, and some perspectives for the future and impacts of flexible energy storage and conversion systems are also proposed.Abstract:
To meet the rapid development of flexible, portable, and wearable electronic devices, extensive efforts have been devoted to develop matchable energy storage and conversion systems as power sources, such as flexible lithium-ion batteries (LIBs), supercapacitors (SCs), solar cells, fuel cells, etc. Particularly, during recent years, exciting works have been done to explore more suitable and effective electrode/electrolyte materials as well as more preferable cell configuration and structural designs to develop flexible power sources with better electrochemical performance for integration into flexible electronics. An overview is given for these remarkable contributions made by the leading scientists in this important and promising research area. Some perspectives for the future and impacts of flexible energy storage and conversion systems are also proposed.read more
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Posted Content
Mn3O4-Graphene Hybrid as a High Capacity Anode Material for Lithium Ion Batteries
Hailiang Wang,Lifeng Cui,Yuan Yang,Hernan Sanchez Casalongue,Joshua T. Robinson,Yongye Liang,Yi Cui,Hongjie Dai +7 more
TL;DR: The two-step solution-phase reactions to form hybrid materials of Mn(3)O(4) nanoparticles on reduced graphene oxide (RGO) sheets for lithium ion battery applications should offer a new technique for the design and synthesis of battery electrodes based on highly insulating materials.
Journal ArticleDOI
Towards flexible solid-state supercapacitors for smart and wearable electronics
TL;DR: The state-of-the-art advancements in FSSCs are reviewed to provide new insights on mechanisms, emerging electrode materials, flexible gel electrolytes and novel cell designs.
Journal ArticleDOI
Monitoring of Vital Signs with Flexible and Wearable Medical Devices
TL;DR: The essential components required for vitals sensors are outlined and discussed here, including the reported sensor systems, sensing mechanisms, sensor fabrication, power, and data processing requirements.
Journal ArticleDOI
Asymmetric Supercapacitor Electrodes and Devices.
TL;DR: Asymmetric supercapacitors assembled using two dissimilar electrode materials offer a distinct advantage of wide operational voltage window, and thereby significantly enhance the energy density, with the main focus on an extensive survey of the materials developed for ASC electrodes.
Journal ArticleDOI
In Situ Coupling of Strung Co4N and Intertwined N–C Fibers toward Free-Standing Bifunctional Cathode for Robust, Efficient, and Flexible Zn–Air Batteries
TL;DR: The obtained free-standing and highly flexible bifunctional oxygen electrode exhibits excellent electrocatalytic activity and stability for both OER and ORR in terms of low overpotential, a positive half-wave potential for OER, and a stable current density retention for at least 20 h.
References
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Electric Field Effect in Atomically Thin Carbon Films
Kostya S. Novoselov,Andre K. Geim,Sergey V. Morozov,Da Jiang,Y. Zhang,S. V. Dubonos,Irina V. Grigorieva,A. A. Firsov +7 more
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TL;DR: Iijima et al. as mentioned in this paper reported the preparation of a new type of finite carbon structure consisting of needle-like tubes, which were produced using an arc-discharge evaporation method similar to that used for fullerene synthesis.
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The rise of graphene
TL;DR: Owing to its unusual electronic spectrum, graphene has led to the emergence of a new paradigm of 'relativistic' condensed-matter physics, where quantum relativistic phenomena can now be mimicked and tested in table-top experiments.
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A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films
TL;DR: In this article, the authors describe a photovoltaic cell, created from low-to medium-purity materials through low-cost processes, which exhibits a commercially realistic energy-conversion efficiency.
Journal ArticleDOI
Measurement of the Elastic Properties and Intrinsic Strength of Monolayer Graphene
TL;DR: Graphene is established as the strongest material ever measured, and atomically perfect nanoscale materials can be mechanically tested to deformations well beyond the linear regime.