Single crystal battery cooling
Machining: The single crystal blade is machined to the desired dimensions and shape, including any cooling channels or other features required for the specific engine design. Heat Treatment : The blade undergoes a series of heat treatment processes to enhance its mechanical properties, such as hardness, strength, and creep …
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Single Crystal Turbine Blades in Jet Propulsion: A …
Machining: The single crystal blade is machined to the desired dimensions and shape, including any cooling channels or other features required for the specific engine design. Heat Treatment : The blade undergoes a series of heat treatment processes to enhance its mechanical properties, such as hardness, strength, and creep …
Fatigue life estimation of nickel-based single crystal superalloy with different inclined film cooling …
Nickel-based single crystal superalloy (SX) materials are widely used in turbine blades owing to their excellent properties such as fatigue, creep, and oxidation resistance. Film cooling holes (FCHs) are often created …
Single crystal
Single crystal
Digital twin modeling for stress prediction of single-crystal turbine ...
Single-crystal turbine blades are typically produced using the Bridgman directional solidification process [31].This method is based on the movement of the shell mold filled with molten metal, which moves at a certain speed from the heating zone through radiation baffles to the cooling zone [32] g. 1 depicts the layout of the casting system …
A high-energy all-solid-state lithium metal battery with "single ...
The "single-crystal" lithium-rich layered oxide (SC-LLO) material is applied for the first time to construct a composite cathode by a co-sintering process for garnet-based high-energy all-solid-state lithium metal batteries, which exhibit the high initial discharge capacity of ∼226 mA h g−1, and good capacit
Single-crystal high-nickel layered cathodes for lithium-ion batteries: advantages, mechanism, challenges and approaches …
Another advantage is the remarkable mechanical performance of single crystals, which plays an important role yet keeps ignored. As illustrated in Figure 1 d, after the rolling and pressing of 45 MPa, the single-crystal particles still present excellent mechanical integrity of grains. ...
A Review of Cooling Technologies in Lithium-Ion Power Battery …
The power battery is an important component of new energy vehicles, and thermal safety is the key issue in its development. During charging and discharging, how to enhance the rapid and uniform heat dissipation of power batteries has become a hotspot. This paper briefly introduces the heat generation mechanism and models, and …
The creep behaviors of single crystal Ni-based superalloys with slant film cooling …
The effects of slant angles of film cooling holes on creep behaviors of Ni-base single crystal superalloy were studied. • With the increase of the slant angle of film cooling holes, the creep life first decreases and then increases. • With the increase of the slant angle of ...
Coating-related deterioration mechanism of creep performance at …
1. Introduction. Nickel-based single crystal superalloys are employed in advanced turbine blades and vanes due to their excellent mechanical properties at elevated temperatures [[1], [2], [3]].These components are usually applied with PtAl coats, which exhibit excellent oxidation resistance at high temperatures [[4], [5], [6], [7]].However, the …
Stress Rupture and Fatigue in Thin Wall Single Crystal …
DOI: 10.1002/9781118516430 38 Corpus ID: 135676997; Stress Rupture and Fatigue in Thin Wall Single Crystal Superalloys with Cooling Holes @article{Sun2012StressRA, title={Stress Rupture and Fatigue in Thin Wall Single Crystal Superalloys with Cooling Holes}, author={Eugene Sun and Tab Heffernan and Randolph C. Helmink}, …
Single-crystal nickel-rich layered-oxide battery cathode materials: …
Here, guided by fracture mechanics analysis, we synthesize microsized …
Mixed Ionic-electronic Conductivity of High-nickel, Single-crystal …
4 · High-nickel, cobalt-free layered oxides are emerging as promising cathode …
High-performance thermoelectrics and challenges for practical …
High-performance thermoelectrics and challenges for ...
Single-Crystal Technology Holds Promise for Next-Generation …
RICHLAND, Wash. — A promising technology under development by major battery makers has become even more attractive, thanks to researchers who have taken an unprecedented look at one key barrier to better, longer-lasting lithium-ion batteries. Scientists at the U.S. Department of Energy''s Pacific Northwest National Laboratory …
High Energy Density Single-Crystal NMC/Li
High Energy Density Single-Crystal NMC/Li6PS5Cl Cathodes ...
Symmetry | Free Full-Text | A Review of Advanced …
The present review summarizes numerous research studies that explore advanced cooling strategies for battery thermal management in EVs. Research studies on phase change material …
A Naphthalenetetracarboxdiimide‐Containing Covalent Organic …
Our group is more interested in single crystals of covalent polymers 10a as well as the use of dative B←N bonds to prepare single crystals of COPs/COFs 10b because the binding energy of dative B←N bonds (about 100 kJ/mol) 10c is much smaller compared to the typical reversible covalent bonds, such as imine linkages (~600 kJ/mol) …
A review of air-cooling battery thermal management systems for electric ...
A review of air-cooling battery thermal management ...
Thermoelectric cooling
Thermoelectric cooling
Orbital Coupling of PbO7 Node in Single-Crystal Metal–Organic …
Optimizing the local coordination environment of metal centers in metal-organic frameworks (MOFs) is crucial yet challenging for regulating the overpotential of lithium-oxygen (Li-O 2) batteries.Herein, we report the synthesis of a class of PbO 7 nodes in a single crystal MOF (naphthalene-lead-MOF, known as Na-Pb-MOF) to significantly …
Capacity Fading Mechanisms in Ni-Rich Single …
Capacity Fading Mechanisms in Ni-Rich Single-Crystal NCM ...
Prospects and Strategies for Single-Crystal NCM Materials to …
This review aims to provide a comprehensive analysis of both the …
Enabling high energy lithium metal batteries via single-crystal Ni …
These results demonstrate that the functional trace doping of dual …
7.3: X-ray Crystallography
7.3: X-ray Crystallography
Synthesis and Manipulation of Single-Crystalline Lithium Nickel ...
The growth of a single crystal is easier in solid–liquid rheological ... {010} active facets as high rate performance cathode material for lithium-ion battery. J. Mater. Chem. A 1 ... Growth of well-developed Li 4 Ti 5 O 12 crystals by the cooling of a sodium chloride flux. Crys. Growth Des. 11, 4401–4405. doi: 10.1021/cg200578r. CrossRef ...
High-Voltage "Single-Crystal" Cathode Materials for Lithium-Ion …
To boost the use of electronic devices and driving mileage of electric …
Casting of film-cooling holes for single-crystal blades
The flawless formation of film-cooling holes (FCHs) is critical for manufacturing single-crystal blade. Presently, high-energy beam drilling is mostly used to process gas film holes, which introduces the limitations of complex hole structures that are difficult to form and processing thermal defects that are difficult to eliminate ...
High piezoelectricity after field cooling AC poling in temperature ...
After field cooling (FC) alternating current poling (ACP), we investigated the dielectric and piezoelectric properties of [001]pc-oriented 0.24Pb(In1/2Nb1/2)O3 (PIN)-0.46Pb(Mg1/3Nb2/3)O3 (PMN)-0.30PbTiO3 (PT) (PIMN-0.30PT) single crystals (SCs), which were manufactured by continuous-feeding Bridgman (CF BM) within morphotropic …
Structure Refinement by a Liquid Metal Cooling
Single crystals of a nickel-base superalloy were directionally solidified (DS) over a range of cooling rates to evaluate the benefits of a new high thermal gradient solidification process. …
Numerical analysis of single-phase liquid immersion cooling for …
Numerical analysis of single-phase liquid immersion ...
Significant sensitivity enhancement of single crystal CdSe x-ray ...
Owing to the large x-ray attenuation coefficient, appropriate bandgap, high resistivity, and high mobility-lifetime (μτ) product, binary II–VI semiconductor CdSe is a promising x-ray detection material and it has exhibited excellent x-ray detection at room temperature (RT).For further improving the characteristics of CdSe x-ray detectors, the …
Solution-processed perovskite crystals for electronics
Through precisely cooling the solution down to room temperature at a suitable rate, high-quality layered perovskite crystals can be obtained after washing in diethyl ether and 24-h drying (Figure 6 A). 116 Ran et al. obtained centimeter-sized (PEA) 2 PbBr 4 crystals through the method of combining the cooling process and seed growth …
Numerical analysis of dislocation density and residual stress in a …
Fig. 3 (a), (b) and (c) show the distribution of the dislocation density in a GaN crystal. We used three different substrates of (a) Al 2 O 3, (b) SiC, and (c) GaN.The dislocations are generated around the edge of the bottom surface of the GaN crystals. In addition, the dislocation density for the Al 2 O 3 substrate is higher than that for the SiC …
Processes | Free Full-Text | A Review of Cooling Technologies in Lithium-Ion Power Battery …
The power battery is an important component of new energy vehicles, and thermal safety is the key issue in its development. During charging and discharging, how to enhance the rapid and uniform heat dissipation of power batteries has become a hotspot. This paper briefly introduces the heat generation mechanism and models, and …
Single-Crystal Technology Holds Promise for Next …
Single-Crystal Technology Holds Promise for Next-Generation Lithium-Ion Batteries Researchers create high-performance single-crystal nickel-rich cathodes, identify cause of harmful ''crystal …
Performance of grinding nickel-based single crystal superalloy: …
DOI: 10.1016/j.wear.2022.204453 Corpus ID: 250936223; Performance of grinding nickel-based single crystal superalloy: Effect of crystallographic orientations and cooling-lubrication modes
Single-crystal nickel-rich layered-oxide battery cathode materials: synthesis, electrochemistry, and intra …
Electro-mechanical degradation is commonly observed in various battery electrode materials, ... Electrochemical characterizations of the single-crystal LiNi 0.6 Mn 0.2 Co 0.2 O 2 cathode material. a, First-cycle voltage profile …
A Review of Advanced Cooling Strategies for Battery …
A Review of Advanced Cooling Strategies for Battery ...
Structure Refinement by a Liquid Metal Cooling ...
Single crystals of a nickel-base superalloy were directionally solidified (DS) over a range of cooling rates to evaluate the benefits of a new high thermal gradient solidification process. Solidification experiments were conducted on cylindrical bars with a liquid-metal-enhanced cooling process. This higher gradient casting process was …
The creep behaviors of single crystal Ni-based superalloys with …
1. Introduction. Nickel-based single crystal superalloy is widely used in aero-engine turbine blades because of the excellent high-temperature resistance, corrosion resistance and creep resistance due to the unique microstructure [1, 2] cause of the increasing inlet temperature of the current aero-engine, it is not enough to solely rely on …
Analysis of surface quality of multi-film cooling holes in nickel …
To satisfy the high durability needs of heavy duty engines in the power generation industry, cooling designs for hot gas path components, especially thermal barrier coated single crystal superalloy...
Oxygen vacancy defect engineering of porous single-crystal VO2 ...
As shown in Fig. 1, the porous single-crystal O d-VO 2 NBs were synthesized via a simple hydrothermal process. V 2 O 5 is used as a vanadium source, TBAOH as a typical organic alkali plays a key role in the formation of oxygen vacancies whose aqueous solution acts as reactant, solvent, and surfactant. Since V 2 O 5 is an …