Results 151 to 160 of about 878,822 (292)

Niobium‐Based Chalcogenides as Emerging Electrode Materials for Rechargeable Batteries

open access: yesEcoEnergy, EarlyView.
This review highlights recent advances in Nb‐based TMCs, covering their structure‐property relationships, synthesis strategies, electrochemical mechanisms, and energy‐storage applications. Emerging approaches including defect engineering, operando characterization, DFT modeling, and AI‐assisted design are discussed to accelerate the development of high‐
Narasimharao Kitchamsetti   +3 more
wiley   +1 more source

Microwave planar circuits design and fabrication

open access: yes, 2012
The bachelor‘s thesis deals with planar microwave circuits especially directional couplers and microwave power dividers. First, the thesis describes about microwave circuits and directional couplers and then about power dividers microwave.
Šamořil, Lukáš
core  

Integrated optoelectronic chip technologies for quantum information processing. [PDF]

open access: yesNatl Sci Rev
Feng L   +14 more
europepmc   +1 more source

One‐Step Synthesis of Si–Graphene Heterostructures via in‐Flight Gas‐Phase Mixing for High‐Capacity Silicon‐Rich Anodes

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A one‐step gas‐phase synthesis directly assembles amorphous Si nanoparticles with few‐layer graphene heterostructures via in‐flight mixing. Compositions with only 15 wt.% FLG deliver ~2800 mAh g−1 (Si + FLG) at 0.05 C and retain ~1400 mAh g−1 after 100 cycles at a high cycling rate of 1 C, enabled by a percolated, strain‐buffering graphene network that
Muhammad Ali   +5 more
wiley   +1 more source

Universal bound on microwave dissipation in superconducting circuits. [PDF]

open access: yesSci Adv
Charpentier T   +5 more
europepmc   +1 more source

Dimensional Engineering of Wet‐Spun MOF‐Based Woven Fabrics for Superior Electromagnetic Wave Absorption

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work fabricated MOF‐based woven absorbing fabrics with dimensional engineering via a wet spinning strategy. The absorbing fabrics achieve a reflection loss of −51.47 dB at 2.9 mm, with an effective absorption bandwidth reaching 3.54 GHz. The absorbing fabrics can be freely bent, stretched, and folded, with individual fibers exhibiting a break ...
Zihao Yan   +6 more
wiley   +1 more source

Microwave filters and circuits: contributions from Japan

open access: yes, 1970
Microwave Filters and Circuits: Contributions from Japan covers ideas and novel circuits used to design microwave filter that have been developed in Japan, as well as network theory into the field of microwave transmission networks.
Matsumoto, Akio
core  

Advances in Sulfur Cathodes for High‐Energy All‐Solid‐State Lithium Batteries With Sulfide Solid Electrolytes

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review summarizes the key optimization strategies and challenges for all‐solid‐state lithium–sulfur batteries based on sulfide solid‐state electrolytes, covering electrolyte synthesis, cathode design, interface engineering, and industrialization considerations.
Yongsheng Gao   +5 more
wiley   +1 more source

Insights into Degradation Mechanisms and Optimization Strategies for High‐Voltage High‐Ni Cathode Materials

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review comprehensively unravels the atomic‐scale degradation mechanisms of high‐voltage high‐nickel cathodes, highlighting the critical O3 to O1 phase transition and chemo‐mechanical failures. By correlating synthetic modulations with structural stability, it critically evaluates advanced optimization strategies, including single‐crystallization ...
Mukhtiar Hussain   +6 more
wiley   +1 more source

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