Results 61 to 70 of about 1,668 (208)

Deciphering Intricacies in Directional CO2 Conversion From Electrolysis to CO2 Batteries

Advanced Energy Materials, EarlyView.
This review will delve into the inherent connections and distinctions of CO2‐directed conversion in ECO2RR and CO2 batteries, in terms of product types, catalyst selection, catalytic mechanisms, and electrochemical performances, while proposing a benchmarking framework for the evaluation of CO2 batteries and innovative CO2 battery configurations for ...
Changfan Xu, Huaping Zhao, Lizhuang Chen, Weidong Shi, Guosheng Shao, Yong Lei   +5 more
wiley   +1 more source

On Hybrid-ARQ-Based Intelligent Reflecting Surface-Assisted Communication System

, 2021
The intelligent reflecting surface (IRS) is an emerging technique to extend the wireless coverage. In this letter, the performance of hybrid automatic repeat request (hybrid-ARQ) for an IRS-assisted system is analyzed.
Mohamed, Marshed Kassim, Kong, Long, Cheffena, Michael, Ai, Yun, Al-Samman, Ahmed   +4 more
core  

FastCat: Autonomous Discovery of Multielement Layered Double Hydroxide Alloy Catalysts for Alkaline Oxygen Evolution Reaction

Advanced Intelligent Discovery, EarlyView.
A machine learning‐guided self‐driving laboratory screened over 500 nickel‐based layered double‐hydroxide catalysts for alkaline oxygen evolution. Out of the eight metals, the robot uncovered a quaternary Ni–Fe–Cr–Co catalysts requiring only 231 mV overpotential to reach 20 mA cm−2.
Nis Fisker‐Bødker, Enzo Raffaele Moretti, Jin Hyun Chang, Tejs Vegge   +3 more
wiley   +1 more source

Intelligent Reflecting Surface Assisted Anti-Jamming Communications Based on Reinforcement Learning

, 2020
International audienceMalicious jamming launched by smart jammer, which attacks legitimate transmissions has been regarded as one of the critical security challenges in wireless communications.
Xiong, Zehui, Wu, Qingqing, Zehui Xiong, Stefano Secci, Niyato, Dusit, Massimo Tornatore, Secci, Stefano, Jun Zhao, Tornatore, Massimo, Yang, Helin, Zhao, Jun, Helin Yang, Qingqing Wu, Dusit Niyato   +13 more
core   +2 more sources

Intelligent Reflecting Surfaces Assisted UAV Communications for Massive Networks: Current Trends, Challenges, and Research Directions

Sensors, 2022
An intelligent reflecting surface (IRS) can intelligently configure wavefronts such as amplitude, frequency, phase, and even polarization through passive reflections and without requiring any radio frequency (RF) chains.
Syed Agha Hassnain Mohsan, Muhammad Asghar Khan, Mohammed H. Alsharif, Peerapong Uthansakul, Ahmed A. A. Solyman   +4 more
doaj   +1 more source

Inductive Matrix Completion and Root-MUSIC-Based Channel Estimation for Intelligent Reflecting Surface (IRS)-Aided Hybrid MIMO Systems

IEEE Transactions on Wireless Communications, 2023
This paper studies the estimation of cascaded channels in passive intelligent reflective surface (IRS)- aided multiple-input multiple-output (MIMO) systems employing hybrid precoders and combiners. We propose a low-complexity solution that estimates the channel parameters progressively. The angles of departure (AoDs) and angles of arrival (AoAs) at the
Khawaja Fahad Masood, Jun Tong, Jiangtao Xi, Jinhong Yuan, Yanguang Yu   +4 more
openaire   +3 more sources

Harnessing ferroptosis from multilayer defense networks to nanoplatforms for specific cancer therapy

BMEMat, EarlyView.
Nanomaterials target metabolically‐regulated ferroptosis for cancer therapy. Iron‐based or alternative nanoplatforms integrate ferroptosis with chemotherapy, immunotherapy, or radiotherapy. They enable stimulus‐responsive therapies (photothermal, photodynamic, sonodynamic) activated by near‐infrared, light, or ultrasound, achieving potent synergistic ...
Xinyue Xu, Xuejian Wang, Wenyan Jiang, Wan Hairul Anuar Kamaruddin, Chunyan Fang, Pengfei Zhang   +5 more
wiley   +1 more source

On outage performance of IRS‐assisted wireless communication with user mobility following RWP model

Electronics Letters, 2021
An intelligent reflecting surface (IRS)‐assisted wireless communication system with user mobility following random waypoint (RWP) model is investigated, where the user receives the reflection signal from the IRS controlled by the access point (AP) via a ...
Xiang Zhao, Jinyong Sun
doaj   +1 more source

Photothermal CO2 Hydrogenation: Reactions, Mechanisms, and Catalyst Design

Carbon Energy, EarlyView.
Reactions, mechanisms, and catalyst design for photothermal CO2 hydrogenation. ABSTRACT Photothermal CO2 hydrogenation has attracted extensive attention because it provides a green and sustainable approach to fuel and chemicals production. The photothermal catalyst plays a critical role in CO2 conversion through a range of reactions.
Shuai Yan, Yuting Wang, Wenhao Zhao, Jinqiang Zhang, Guangyao Chen, Lei Jiang, Yun Wang, Yingquan Chen, Xiong Zhang, Xianhua Wang, Kuo Zeng, Hongqi Sun, Shuxin Ouyang, Yonggang Yao, Haiping Yang, Hanping Chen   +15 more
wiley   +1 more source

Opportunities for Intelligent Reflecting Surfaces in 6G Empowered V2X Communications [PDF]

The applications of upcoming sixth-generation (6G) empowered vehicle-to-everything (V2X) communications depend heavily on large-scale data exchange with high throughput and ultra-low latency to ensure system reliability and passenger safety.
Ranjha, Ali, Ranjha, A., LAGUNAS, Eva, Ottersten, Bjorn, Popovski, P., Jamshed, M.A., Bozorgchenani, Arash, Mahmood, A., MAHMOOD, Asad, Popovski, Petar, Bozorgchenani, A., Jamshed, Muhammad Ali, KHAN, Wali Ullah, CHATZINOTAS, Symeon, Pervaiz, H., Pervaiz, Haris, Lagunas, E., Chatzinotas, S., Ottersten, B., Khan, W.U.   +19 more
core   +1 more source