scholarly journals Simplified Mathematical Model for Effects of Freezing on the Low-Temperature Performance of the Lead-Acid Battery

2009 ◽  
Vol 156 (3) ◽  
pp. A238 ◽  
Author(s):  
K. S. Gandhi ◽  
A. K. Shukla ◽  
S. K. Martha ◽  
S. A. Gaffoor
Keyword(s):  
Mathematical Model ◽  
Low Temperature ◽  
Lead Acid Battery ◽  
Temperature Performance ◽  
Low Temperature Performance ◽  
Simplified Mathematical Model ◽  
Lead Acid

The Influence of Carbon Material on the Low-Temperature Performance of Lead-Acid Battery

2020 ◽  
Vol 842 ◽  
pp. 236-241
Author(s):  
Yue Wang ◽  
Peng Zhang ◽  
Yun Long Li ◽  
Lin Li ◽  
Jian Quan Liang ◽  
...  
Keyword(s):  
Low Temperature ◽  
Carbon Material ◽  
Low Cost ◽  
Research Result ◽  
Storage Device ◽  
Lead Acid Battery ◽  
Temperature Performance ◽  
Low Temperature Performance ◽  
Storage Batteries ◽  
Lead Acid

Storage battery is an indispensable energy storage device at present. It is widely applied to industries like electric automobiles due to its advantages such as safety, reliability, low cost, etc. However, like most storage batteries, lead-acid battery has a series of problems in the low temperature environment such as the plunge of capacity, difficulty of charge, and so on, which deeply influence its application effect. To improve the low temperature performance of lead-acid battery, carbon materials could be added to the cathode of lead-acid battery. By measuring the properties like HRPSoC cycle and dynamic charging under different carbon (graphite) content, this article concludes that the addition of carbon material could improve the low-temperature performance of lead-acid battery. When the carbon content is between 0.3% and 0.9%, the improvement effect is relatively better. The research result of this article has a reference function to the design and development of low-temperature lead-acid batteries.

SUPERMET 2205

Alloy Digest ◽  
2004 ◽  
Vol 53 (5) ◽  
Keyword(s):  
Fracture Toughness ◽  
Low Temperature ◽  
Tensile Properties ◽  
Stainless Steels ◽  
Ferritic Stainless Steels ◽  
Nitrogen Levels ◽  
Temperature Performance ◽  
Low Temperature Performance

Abstract Supermet 2205 is a manual metal arc (MMA) electrode with enhanced chromium, molybdenum, and nitrogen levels. It is used for welding standard 22% Cr duplex austenitic/ferritic stainless steels. This datasheet provides information on composition, microstructure, hardness, and tensile properties as well as fracture toughness. It also includes information on low temperature performance as well as joining. Filing Code: SS-903. Producer or source: Metrode Products Ltd.

Low-temperature performance of recycled asphalt mixtures under static and oscillatory loading

2016 ◽  
Vol 18 (2) ◽  
pp. 297-314 ◽  
Author(s):  
Ki Hoon Moon ◽  
Augusto Cannone Falchetto ◽  
Di Wang ◽  
Michael P. Wistuba ◽  
Gabriele Tebaldi
Keyword(s):  
Low Temperature ◽  
Asphalt Mixtures ◽  
Recycled Asphalt ◽  
Temperature Performance ◽  
Low Temperature Performance

scholarly journals Study on Performance Damage and Mechanism Analysis of Asphalt under Action of Chloride Salt Erosion

Materials ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 3089
Author(s):  
Peilei Zhou ◽  
Wensheng Wang ◽  
Lili Zhu ◽  
Haoyun Wang ◽  
Yongming Ai
Keyword(s):  
Fourier Transform ◽  
Infrared Spectroscopy ◽  
High Temperature ◽  
Low Temperature ◽  
Temperature Sensitivity ◽  
Salt Solution ◽  
Solution Concentration ◽  
Chloride Salt ◽  
Temperature Performance ◽  
Low Temperature Performance

This study aims to investigate the performance evolution and mechanism of asphalt under action of chloride salt erosion. Asphalt samples soaked with five different snow melting chloride salt concentrations were taken as the research object. Then, the high-temperature performance, low-temperature performance, temperature sensitivity and asphalt–aggregate adhesion property of asphalt samples were carried out. Additionally, Fourier transform infrared spectroscopy (FTIR) was used to explore the mechanism of chloride salt erosion on asphalt. Test results showed the linear variation relationships of high-temperature performance, low-temperature performance and temperature sensitivity with chloride salt concentrations. The high-temperature performance of asphalt would be improved by chloride snowmelt salt. With the increase in the chloride salt solution concentration, the low-temperature performance of asphalt became worse, and the temperature sensitivity increased. Moreover, after the effect of the chloride salt solution, the asphalt–aggregate adhesion property decreased with the increase in the chloride salt solution concentration. It is necessary to control the amount of chloride snowmelt salt in the actual snow removal projects. Finally, based on Fourier transform infrared spectroscopy, the mechanism of chloride salt erosion on asphalt was preliminarily explored. With the increase in the chloride salt solution concentration, the proportion of light components (saturated fraction, aromatic fraction) in asphalt decreased, and the proportion of heavy components (resin and asphaltene) with good thermal stability increased.

scholarly journals Experimental Study of Low Temperature Performance of Porous Asphalt Mixture

2021 ◽  
Vol 11 (9) ◽  
pp. 4029
Author(s):  
Jian Wang ◽  
Pui-Lam Ng ◽  
Yuhua Gong ◽  
Han Su ◽  
Jinsheng Du
Keyword(s):  
Low Temperature ◽  
Test Temperature ◽  
Asphalt Mixture ◽  
Aging Condition ◽  
Porous Asphalt ◽  
Bending Strain ◽  
Temperature Performance ◽  
Temperature Environment ◽  
Modifier Content ◽  
Low Temperature Performance

Porous asphalt mixture can be used as a road surface paving material with the remarkable advantage to prevent water accumulation and ponding. However, the performance of porous asphalt mixture in low temperature environment has not been thoroughly investigated, and this forms the subject of research in the present study. The mineral aggregate gradation of porous asphalt mixture was designed based on Bailey method, and the low temperature performance of porous asphalt mixture was studied by means of the low temperature bending test. The factors affecting the low temperature performance of porous asphalt mixture were analyzed through the orthogonal experimental design method, and the effects of porosity, modifier content, aging condition, and test temperature on the low temperature performance of porous asphalt mixture were evaluated. The results showed that the modifier content was the most important factor affecting the low temperature performance of porous asphalt mixture, followed by the test temperature, while the porosity and the aging condition were the least. Among the three performance evaluation indicators, namely the flexural tensile strength, maximum bending strain, and bending stiffness modulus, the maximum bending strain had the highest sensitivity to the porosity. It can be seen from the single factor influence test of porosity that there existed an approximately linear relationship between the maximum bending strain and the porosity of porous asphalt mixture, and the maximum bending strain decreased with increasing porosity. Furthermore, in order to ensure the good working performance of porous asphalt mixture in low temperature environment, the porosity should also satisfy the required limits of the maximum bending strain.

Sign in / Sign up

Export Citation Format

Share Document