scholarly journals Sublimated Se‐Induced Formation of Dual‐Conductive Surface Layers for High‐Performance Ni‐Rich Layered Cathodes

2021 ◽  
Author(s):  
Shi Chen ◽  
Zirun Wang ◽  
Lai Chen ◽  
Na Liu ◽  
Ning Li ◽  
...  
Keyword(s):  
High Performance ◽  
Surface Layers ◽  
Conductive Surface ◽  
Layered Cathodes

Sublimated Se‐Induced Formation of Dual‐Conductive Surface Layers for High‐Performance Ni‐Rich Layered Cathodes

2021 ◽  
Author(s):  
Shi Chen ◽  
Zirun Wang ◽  
Lai Chen ◽  
Na Liu ◽  
Ning Li ◽  
...  
Keyword(s):  
High Performance ◽  
Surface Layers ◽  
Conductive Surface ◽  
Layered Cathodes

Revealing the role of dopants in mitigating degradation phenomena in sodium-ion layered cathodes

2021 ◽  
Vol 23 (3) ◽  
pp. 2038-2045
Author(s):  
Kyoungmin Min ◽  
Young-Han Shin
Keyword(s):  
Cathode Materials ◽  
High Performance ◽  
High Stability ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Layered Cathode Materials ◽  
Layered Cathodes

Prevention of the degradation of sodium-based layered cathode materials is the key to developing high-performance and high-stability sodium-ion batteries.

THE DEVELOPMENT OF COMBINED ELECTROPHYSICAL METHODS OF MACHINE AND INSTRUMENT PARTS HARDENING ANALYSIS

2021 ◽  
Vol 2 ◽  
pp. 77-85
Author(s):  
A.M. KOLOSOVSKII ◽  
V.I. VICHTEVSKII ◽  
E.F. CHERKASHINA ◽  
E.B. TRISTANOVA
Keyword(s):  
Electromagnetic Fields ◽  
High Performance ◽  
Technological Factor ◽  
Physical And Mechanical Properties ◽  
High Energy ◽  
Surface Layers ◽  
Mechanical Parts ◽  
Energy Laser ◽  
High Energy Laser ◽  
Machine Parts

The article proposes an analysis of the development of combined electrophysical methods of hardening machine parts and tools based on the use of radiation (laser, electro-beam, ultrasonic, etc.) processing and electromagnetic fields. It is shown that the current and promising direction in improving the performance of the contact surface layers of machine parts, creating high-performance coatings (as well as technologies for their application) with high physical and mechanical properties of responsible parts is the combination of high-energy (laser, electronic, etc.) radiation and electromagnetic fields as a technological factor, as well as other sources of technological energy, which are advanced electrophysical methods of forming working surfaces of mechanical parts of mechanical and mechanical components.

A General Strategy for Batch Development of High-Performance and Cost-Effective Sodium Layered Cathodes

Nano Energy ◽  
2021 ◽  
pp. 106371
Author(s):  
Biwei Xiao ◽  
Xiang Liu ◽  
Miao Song ◽  
Xin Yang ◽  
Fredrick Omenya ◽  
...  
Keyword(s):  
High Performance ◽  
Cost Effective ◽  
General Strategy ◽  
Layered Cathodes

The Influence of Glass Fibers as Dispersed Reinforcement on Hydric Properties of Concrete

2016 ◽  
Vol 249 ◽  
pp. 52-56
Author(s):  
Radka Pernicova ◽  
Daniel Dobiáš ◽  
Tomáš Mandlík
Keyword(s):  
High Performance ◽  
High Performance Concrete ◽  
Glass Fibers ◽  
Water Soluble ◽  
Salt Transport ◽  
Biological Degradation ◽  
Ultra High Performance Concrete ◽  
Surface Layers ◽  
Shrinkage Cracks ◽  
Normal Strength

In this paper, the effect of different kind of glass fiber on hydric properties of ultra-high performance concrete and normal strength concrete is determined. It was the use several types of micro fine high-dispersible alkali resistant fibers that prevent the formation of shrinkage cracks caused by tensions. Comparative measurements with both concrete without glass fibers are done as well. The main aim of this experimental work is to obtain sufficiently accurate input data for the estimate of durability surface layers of concrete which are connected with water transport and its accompanying effects such as biological degradation, water soluble salt transport or degradation by rainwater absorbing oxides of sulfur and carbon from air.

scholarly journals Revisiting the role of Zr doping in Ni-rich layered cathode for lithium-ion batteries

2021 ◽  
Author(s):  
Chul-Ho Jung ◽  
Qingtian Li ◽  
Do-Hoon Kim ◽  
Donggun Eum ◽  
Donghyun Ko ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
High Performance ◽  
Lithium Ion ◽  
Layered Cathodes

The realization of high performance Ni-rich layered cathodes remains a challenge because of the multiple degradation factors that concurrently operate during battery cycling. In particular, depletion of oxygen charge and...

Thouless length and valley degeneracy factor of ZnMnO thin films with anisotropic, highly conductive surface layers

2017 ◽  
Vol 121 (22) ◽  
pp. 225105 ◽  
Author(s):  
Sahitya V. Vegesna ◽  
Danilo Bürger ◽  
Rajkumar Patra ◽  
Barbara Abendroth ◽  
Ilona Skorupa ◽  
...  
Keyword(s):  
Thin Films ◽  
Surface Layers ◽  
Conductive Surface

scholarly journals INCREASE OF WEAR RESISTANCE OF CUTTING TOOLS FOR PROCESSING IRON-CARBON ALLOYS

2014 ◽  
Author(s):  
Larisa Andreevna Timofeeva ◽  
Anna Leonidovna Komarova
Keyword(s):  
Chemical Composition ◽  
Thermal Processing ◽  
High Performance ◽  
Cubic Boron Nitride ◽  
Cutting Tools ◽  
Thermal Spraying ◽  
Oxide Coatings ◽  
Surface Layers ◽  
Wear Process ◽  
Physico Chemical

The article considers the problem of the development of environmental-friendly technology of drawingof strengthening coatings on cutting tools for processing iron-carbon alloys.The studies have used methods for determining the tribological properties of the tool materialsdepending on the speed of sliding surfaces. In the work of the mechanism of wear process tool cubic boron nitride and metal ceramics. Proposedthe method of application of protective coatings.Given the nature and chemical composition of superhard materials and composite materials proposedand partially tested a method of chemical-thermal spraying of oxide coatings, the essence of which is theimpact (30...60 min) superheated (600 OC) vapour aqueous solution (3 %) of the various salts on the workingsurface of the tool.The technological process of causing of oxide coverages is tested in a laboratory stove, simple,inexpensive, high-performance, ecologically clean.In the future it is necessary to conduct a study of the diffusion and physico-chemical processesoccurring in the surface layers of cutting plates during chemical-thermal processing and as a result ofmechanical treatment. In addition, should continue studies towards a greater variation of the parameters ofthe process of chemical-thermal processing tool - temperature, chemical composition and concentration ofthe saturating environment. This will enable them optimization, as well as specify the chemical compositionof the coating. 

Manganese‐Based Na‐Rich Materials Boost Anionic Redox in High‐Performance Layered Cathodes for Sodium‐Ion Batteries

2019 ◽  
Vol 31 (27) ◽  
pp. 1807770 ◽  
Author(s):  
Xiaoyu Zhang ◽  
Yu Qiao ◽  
Shaohua Guo ◽  
Kezhu Jiang ◽  
Sheng Xu ◽  
...  
Keyword(s):  
High Performance ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Layered Cathodes
Sign in / Sign up

Export Citation Format

Share Document