Results 21 to 30 of about 195,117 (294)

A Review on Nanocomposite Materials for Rechargeable Li-ion Batteries

Applied Sciences, 2017
Li-ion batteries are the key enabling technology in portable electronics applications, and such batteries are also getting a foothold in mobile platforms and stationary energy storage technologies recently.
Dervis Emre Demirocak, Sesha S. Srinivasan, Elias K. Stefanakos   +2 more
doaj   +1 more source

Suppressing the P2‐O2 phase transition and Na+/vacancy ordering in Na0.67Ni0.33Mn0.67O2 by a delicate multicomponent modulation strategy

Battery Energy, 2023
P2‐type Na0.67Ni0.33Mn0.67O2 is a promising cathode for sodium‐ion batteries with features of high specific capacity and air resistance, whereas its cycling stability and rate performance are dissatisfactory suffering from the disastrous P2‐O2 phase ...
Guanglin Wan, Yanxu Chen, Bo Peng, Lai Yu, Xinyi Ma, Nazir Ahmad, Genqiang Zhang   +6 more
doaj   +1 more source

3D-printed hierarchical porous and multidimensional conductive network based on conducting polymer/graphene oxide

Journal of Materiomics
Designing ultrathick and hierarchical electrodes is effective to deal with the challenge of high areal capacity and high power density for lithium-ion batteries (LIBs) manufacturing.
Cankun Gao, Xiaoling Cui, Caiyun Wang, Mengya Wang, Shumin Wu, Yin Quan, Peng Wang, Dongni Zhao, Shiyou Li   +8 more
doaj   +1 more source

Thermal Stability of NASICON-Type Na₃V₂(PO₄)₃ and Na₄VMn(PO₄)₃ as Cathode Materials for Sodium-ion Batteries

Energies, 2023
The thermal stability of NASICON-type cathode materials for sodium-ion batteries was studied using differential scanning calorimetry (DSC) and in situ high-temperature powder X-ray diffraction (HTPXRD) applied to the electrodes in a pristine or charged ...
Ruslan R. Samigullin, Maxim V. Zakharkin, Oleg A. Drozhzhin, Evgeny V. Antipov   +3 more
doaj   +1 more source

Effect of sediment embedding ratio on the cathode electrochemical performance in marine microbial fuel cells on ocean floor

Xibei Gongye Daxue Xuebao, 2022
In the long-term electricity generation and driving sensor work process of marine sediment microbial fuel cells(MSMFCs), its cathode in the seawater may be embedded into the marine sediment, which will affect the electrochemical performance and lead to ...
LIU Xinpei, LI Yang, ZHAO Yangguo, FU Yubin   +3 more
doaj   +1 more source

Nitride‐Reinforced Metal Matrix Nanocomposite Powders Production by Plasma‐Assisted Thermochemical Treatment of Intermetallic Powders

Advanced Engineering Materials, EarlyView.
This study proposes a new methodology for producing metal matrix nanocomposites in the solid state. The process involves the plasma‐assisted thermochemical treatment of metallic alloy powders. As a proof‐of‐concept, TiN nanoparticles are synthesized directly on the surface of FeTi intermetallic powder particles, enabling the development of the ...
Deivison Daros Paim, Antônio Rogério de Souza, Tatiana Bendo, Aloisio Nelmo Klein, Rodrigo Perito Cardoso   +4 more
wiley   +1 more source

Enhancing ORR Catalytic Activity and Electrochemical Investigation of La_1−2xBa_xBi_xFeO₃ Cathode for Low-Temperature Solid Oxide Fuel Cell

Crystals, 2023
Perovskite cathodes have emerged as a promising alternative to traditional cathode materials in low-temperature solid oxide fuel cells (LT-SOFCs) due to their exceptional catalytic properties and high oxygen reduction reaction (ORR) activity.
Nusrat Shaheen, Zheng Chen, Yumei Nong, Tao Su, Muhammad Yousaf, Yuzheng Lu, Ling Li   +6 more
doaj   +1 more source

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

Advanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu, Giovanni Gammaitoni, Michael Häfner, Eduardo Villalobos‐Portillo, Carlo Marini, Matteo Bianchini   +5 more
wiley   +1 more source

On the suppression of cathodic hypochlorite reduction by electrolyte additions of molybdate and chromate ions [PDF]

Journal of Electrochemical Science and Engineering, 2012
The goal of this study was to gain a better understanding of the feasibility of replacing Cr(VI) in the chlorate process by Mo(VI), focusing on the cathode reaction selectivity for hydrogen evolution on steel and titanium in a hypochlorite containing ...
JOHN GUSTAVSSON, GONGZHUO LI, CHRISTINE HUMMELGÅRD, JOAKIM BÄCKSTRÖM, ANN CORNELL   +4 more
doaj  

Polyaniline-Coated Porous Vanadium Nitride Microrods for Enhanced Performance of a Lithium–Sulfur Battery

Molecules, 2023
To solve the slow kinetics of polysulfide conversion reaction in Li-S battery, many transition metal nitrides were developed for sulfur hosts. Herein, novel polyaniline-coated porous vanadium nitride (VN) microrods were synthesized via a calcination ...
Jingjie Lv, Haibo Ren, Ziyan Cheng, Sang Woo Joo, Jiarui Huang   +4 more
doaj   +1 more source