Energy Technology

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Defective Bi2WO6‐Supported Cu Nanoparticles as Efficient and Stable Photoelectrocatalytic for Water Splitting in Near‐Neutral Media
Energy Technology - Tập 6 Số 11 - Trang 2247-2255 - 2018
Junqi Li, Zheng Liang, Yi Qin, Liu Guo, Nan Lei, Qianqian Song
AbstractDefective Bi2WO6‐supported Cu nanoparticles photoelectrocatalyst were successfully synthesized via an etching approach by using NaBH4 as reducing agent. The as‐prepared Cu/Bi2WO6‐1 was dominated by CuO and Cu and Cu/Bi2WO6<...... hiện toàn bộ
Cobalt Oxide Nanoparticles Embedded in N‐Doped Porous Carbon as an Efficient Electrode for Supercapacitor
Energy Technology - Tập 7 Số 4 - 2019
Maiyong Zhu, Qi Chen, Jiarui Kan, Jingjing Tang, Wenjing Wei, Jinkun Lin, Songjun Li
Herein, a sequential pyrolysis and oxidation strategy is developed to prepare Co3O4 nanoparticles embedded in N‐doped porous carbon (Co3O4@N‐pC) using a bimetal zeolitic imidazolate framework (ZIF‐67@ZIF‐8) as precursors, which is first obtained via a simple wet‐chemical process. The...... hiện toàn bộ
Polyelectrolyte‐Coated Copper Hexacyanoferrate and Bismuth Oxychloride Electrodes for Efficient Salinity Gradient Energy Recovery in Capacitive Mixing
Energy Technology - Tập 8 Số 1 - 2020
Guangcai Tan, Xiuping Zhu
A mixing entropy battery (MEB) based on a pair of cationic and anionic electrodes is a novel method to extract salinity gradient (SG) energy. However, so far, only precious AgCl electrodes are reported as anionic electrodes in MEBs. Herein, it is demonstrated that bismuth oxychloride (BiOCl) can be an alternative anionic electrode for MEBs to harvest SG energy. In t...... hiện toàn bộ
Enriched Doping Level and Tuned Fiber Fractal Dimensions in Nonwoven Carbon‐Doped Polyaniline for Efficient Solid‐State Supercapacitors
Energy Technology - Tập 5 Số 2 - Trang 253-266 - 2017
Niraj Kumar, Prasanta Kumar Sahoo, H. S. Panda
AbstractNonwoven fibrous mats of polyaniline/carbon black on conducting substrates are synthesized through a two‐step oxidative process. Adsorbed and catalyzed aniline monomers in the synthesis process improved the doping degree (0.381) in the hybrid fibers. The formation of a porous mat on substrates was confirmed by using electron microscopy and small‐angle X‐ray...... hiện toàn bộ
Improved Electrical Energy Storage Density in Vanadium‐Doped BaTiO3 Bulk Ceramics by Addition of 3BaO–3TiO2–B2O3 Glass
Energy Technology - Tập 3 Số 1 - Trang 70-76 - 2015
Satyanarayan Patel, Aditya Chauhan, Rahul Vaish
AbstractThis study proposes to significantly improve the electrical energy storage characteristics of BaTiO3 bulk ceramics. Addition of 3 BaO–3 TiO2–B2O3 glass was done in controlled amounts to study its effect on the ferroelectric response and storage characteristics of vanadium‐do...... hiện toàn bộ
Nanoparticle‐Stabilized Foam for Mobility Control in Enhanced Oil Recovery
Energy Technology - Tập 4 Số 9 - Trang 1084-1096 - 2016
Qian Sun, Na Zhang, Zhaomin Li, Yuhe Wang
AbstractFoam stabilized by a surfactant has been used successfully for mobility control during enhanced oil recovery processes, but the stability of the foam limits its application. Aqueous foams prepared from dispersions of partially hydrophobic silicon dioxide (SiO2) nanoparticles and sodium dodecyl sulfate (SDS) anionic surfactant were studi...... hiện toàn bộ
Binder‐Free Electro‐Deposited MnO2 @3D Carbon Felt Network: A Positive Electrode for 2V Aqueous Supercapacitor
Energy Technology - Tập 11 Số 2 - 2023
V. Prabu, K. Geetha, R. Sekar, Mani Ulaganathan
Electrochemical supercapacitors have been considered the most promising energy storage system due to their attractive features, high power, energy density, and good cycle performance. This work investigates the capacitor performance of the tailor‐made electro‐deposited (ED) MnO2‐coated 3D‐carbon felt (CF) as a positive electrode. Manganese, a we...... hiện toàn bộ
Làm Nhẵn Đơn Giản Bề Mặt Silicon Dưới Bằng Các Phương Pháp Khắc Hóa Học Ướt Để Sản Xuất Tổ Hợp III‐V/Silicon Dịch bởi AI
Energy Technology -
Mengmeng Chu, Junhan Bae, Muhammad Quddamah Khokhar, Alamgeer, Maha Nur Aida, Vinh Ai Dao, Duy Phong Pham, Sangheon Park, Junsin Yi
Việc triển khai các công nghệ đa dạng gần đây đã tạo điều kiện thuận lợi cho sản xuất các tế bào năng lượng mặt trời hiệu quả về chi phí và có hiệu suất cao. Các tế bào năng lượng mặt trời hiệu suất cao với tổ hợp III‐V trong tế bào silicon tinh thể tách rời đã đạt được hiệu suất quang điện trên 39%. Việc khắc các tấm silicon đóng vai trò quan trọng trong việc lắng đọng các lớp tinh thể, t...... hiện toàn bộ
A Thermodynamic Study of Aqueous 1‐Allyl‐3‐Methylimidazolium Formate Ionic Liquid as a Tailored Sorbent for Carbon Dioxide Separation
Energy Technology - Tập 5 Số 8 - Trang 1464-1471 - 2017
Yujiao Xie, Dilip G. Raut, Rakesh Samikannu, Jyri‐Pekka Mikkola, Xiaoyan Ji
AbstractIn this work, aqueous 1‐allyl‐3‐methylimidazolium formate ([Amim][HCOO]) was studied as a potential sorbent for CO2 separation. The density and viscosity of aqueous [Amim][HCOO] were measured at temperatures ranging from 293.15 to 333.15 K at atmospheric pressure. The solubility of CO2 and CH4 i...... hiện toàn bộ
Lithium–Sulfur Batteries with High Rate and Cycle Performance by using Multilayered Separators coated with Ketjen Black
Energy Technology - Tập 5 Số 4 - Trang 623-628 - 2017
Hao Tang, Shanshan Yao, Xiangqian Shen, Xiaoming Xi, Kesong Xiao
AbstractThe commercialization of lithium–sulfur (Li–S) batteries remains challenging due to their poor rate performance and low cycle stability, which can be partly attributed to the insulation of sulfur/lithium sulfide and the migration of polysulfides from the sulfur cathode to the anode. While much effort has been devoted to designing the structure of sulfur cat...... hiện toàn bộ
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