Results 91 to 100 of about 5,211,043 (233)

High‐Performance Wearable Triboelectric Nanogenerators Based on Polyethyleneimine‐Doped Cellulose Acetate for Self‐Powered Dynamic Signature Sensing and Verification

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A high‐performance wearable triboelectric nanogenerator (TENG) based on polyethyleneimine ‐doped cellulose acetate is demonstrated for dynamic signature authentication. The developed TENG with enhanced interfacial polarization and increased surface charge density exhibits excellent mechanical durability, environmental stability, and long‐term ...
Yoon‐Seo Choi, Han‐Bi Kang, Chae‐Eun Kim, Tae‐Jun Ha   +3 more
wiley   +1 more source

Advances in Design Strategy and Mechanism Insights for Alkaline Hydrogen Evolution Reaction: Multilevel Site Engineering and Structure–Activity Relationship

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review is about material design based on engineering multilevel sites from theoretical calculation and synthetic routes to mechanism, structure–activity relationship, challenges and perspectives for boosting hydrogen production in alkaline electrolyte. Electrolytic water splitting is a clean, carbon‐free method for producing green hydrogen and has
Ke Zhang, Hongying Luo, Yudong Du, Kehao Yu, Huayu Wu, Shimin Chai, Yanyan Liu, Yongfeng Wang, Jianchun Jiang, Baojun Li   +9 more
wiley   +1 more source

Fire‐Safe Polymeric Insulation Foams for Energy‐Efficient and Low‐Carbon Buildings

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review systematically summarizes recent advances in fire‐safe polymeric insulation foams, emphasizing the balance among flame retardancy, thermal insulation, mechanical reliability, and long‐term durability. By linking material‐level thermophysical properties with building cooling‐energy demand and operational carbon emissions, it establishes a ...
Qinhe Guo, Jiayi Pan, Dehui Jia, Min Chen, Danni Pan, Yao Yuan, Ying Pan, Yan Zhang, Lulu Xu, Kate Nguyen, Wei Wang   +10 more
wiley   +1 more source

Carbon dioxide emissions and vulnerability to climate change in Africa: How public goods moderate policy syndromes

Environmental Progress &Sustainable Energy, EarlyView.
Abstract Carbon dioxide (CO2) emissions and climate vulnerability are major concerns affecting sustainable development in Africa. This study assesses how the provision of public goods moderates the effects of policy syndromes on CO2 emissions and vulnerability to climate change in the continent.
Simplice A. Asongu, Judith C. M. Ngoungou, Thales Pacific Yapatake Kossele   +2 more
wiley   +1 more source

Beyond electricity generation: Nuclear power plants as circular chemical manufacturing hubs for plastic waste valorization

Environmental Progress &Sustainable Energy, EarlyView.
Abstract Large nuclear power plants have traditionally been regarded as facilities dedicated to electricity generation. This study proposes a systems‐level concept in which they function as circular chemical manufacturing hubs integrating plastic waste valorization, hydrogen production, carbon utilization, and downstream polymer synthesis within a ...
Jaroslav Pavelka
wiley   +1 more source

Report of the Expert Group on Washing of Thermal Coal is vital for India

, 2020
On 21st May 2020, the Ministry of Environment, Forest & Climate Change (MoEFCC) issued a notification negating its own notification of 2nd January 2014 doing away with the use and supply of washed (and blended) coal of ash content not over 34% to ...
Srikanth, R, Prasad, DN, Perti, Alok, Bhattacharya, Sumantra, Sachdev, RK, Bhattacharya, Partha Sarathi, Verma, VS   +6 more
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Lubelski Węgiel "Bogdanka" S.A. - process engineering of the coal preparation plant [PDF]

, 2004
W artykule przedstawiono proces technologiczny Zakładu Przeróbki Węgla "Bogdanka" wraz z wyposażeniem technicznym oraz jakością produkcji.The article describes the processing of the Coal Preparation Plant in "Bogdanka " Mine, machinery and the quality of
Bieńko, W.
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Robust Coordinated Reserve Optimization Method for Electricity–Gas Systems Considering Multi‐Source Coupling and Multiple Uncertainties

Energy Science &Engineering, EarlyView.
This study proposes a two‐stage robust reserve optimization method for coupled electricity–gas systems to mitigate wind–solar fluctuations and transmission‐line contingencies. By coordinating cross‐network reserves and linearizing complex gas flow equations, the approach significantly enhances system security and economic efficiency under multiple ...
Jianbo Nie, Youbing Zhang, Zhou Lan, Hao Xu, Yongqi Liu, Guofeng Wang   +5 more
wiley   +1 more source

PbS colloidal quantum dots imagers: From single devices to arrays, flexible platforms, and CMOS‐integrated systems

FlexMat, EarlyView.
Abstract Imagers operating in the visible to near‐infrared (NIR) range play an important role in applications such as industrial sorting, security surveillance, and autonomous driving. However, conventional imaging technologies based on silicon and III–V semiconductors suffer from several limits, including restricted spectral range, high fabrication ...
Xin Hong, Songdi Zhang, Runtian Han, Peng Wang, Wenjie Deng   +4 more
wiley   +1 more source

Coal Preparation for Coal Utilization Purposes

, 1983
More and more bituminous coal is being cleaned every year, bot h deep and strip mined bituminous coal. At this time in the United States approximately 60.7% deep mine and 18.7% strip mine or 33.8% of all bituminous coal is cleaned in a preparation plant.
Larsen, Donald H. P.E.
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