Unknown

Dataset Information

0

Low Temperature Characteristics of Hydrogen Storage Alloy LaMm-Ni4.1Al0.3Mn0.4Co0.45 for Ni-MH Batteries.

ABSTRACT: Nickel hydride batteries (Ni-MH) are known of their good performance and high reliability at temperatures below 0 °C, which is significantly dependent on electrolyte composition. Here we present the low temperature characteristics of pristine AB5-type alloy, LaMm-Ni4.1Al0.3Mn0.4Co0.45, determined in various alkali metal hydroxide solutions. We found that the combination of KOH with NaOH showed a significant effect of enhancement of low temperature performance of the electrode material and diffusion of hydrogen in the alloy. This 6M binary mixed NaOH/KOH electrolyte, comprising 4M KOH component and 2M NaOH component, made it possible to maintain 81.7% and 61.0% of maximum capacity at -20 °C and -30 °C, respectively, enhancing the hydrogen storage properties of the alloy after reheating to room temperature.

SUBMITTER: Karwowska M 

PROVIDER: S-EPMC6947314 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

Json Xml
altmetric image

Publications

Low Temperature Characteristics of Hydrogen Storage Alloy LaMm-Ni<sub>4.1</sub>Al<sub>0.3</sub>Mn<sub>0.4</sub>Co<sub>0.45</sub> for Ni-MH Batteries.

Karwowska Malgorzata M   Fijalkowski Karol J KJ   Czerwiński Andrzej A AA  

Materials (Basel, Switzerland) 20191216 24

Nickel hydride batteries (Ni-MH) are known of their good performance and high reliability at temperatures below 0 °C, which is significantly dependent on electrolyte composition. Here we present the low temperature characteristics of pristine AB5-type alloy, LaMm-Ni<sub>4.1</sub>Al<sub>0.3</sub>Mn<sub>0.4</sub>Co<sub>0.45</sub>, determined in various alkali metal hydroxide solutions. We found that the combination of KOH with NaOH showed a significant effect of enhancement of low temperature perf  ...[more]

Similar Datasets

Unknown Low-Temperature Multielement Fusible Alloy-Based Molten Sodium Batteries for Grid-Scale Energy Storage.
| S-EPMC7760467 | biostudies-literature
Unknown Corrosion of Hydrogen Storage Metal Alloy LaMm-Ni<sub>4.1</sub>Al<sub>0.3</sub>Mn<sub>0.4</sub>Co<sub>0.45</sub> in the Aqueous Solutions of Alkali Metal Hydroxides.
| S-EPMC6316957 | biostudies-literature
Unknown Eutectic Phenomenon of LiNH₂-KH Composite in MH-NH₃ Hydrogen Storage System.
| S-EPMC6479683 | biostudies-literature
Unknown Nickel-hydrogen batteries for large-scale energy storage.
| S-EPMC6243278 | biostudies-literature
Unknown The Growth of Graphene on Ni-Cu Alloy Thin Films at a Low Temperature and Its Carbon Diffusion Mechanism.
| S-EPMC6915519 | biostudies-literature
Unknown Nanoporous Ni with High Surface Area for Potential Hydrogen Storage Application.
| S-EPMC6027325 | biostudies-literature
Unknown Renewable Hydrogen and Electricity Dispatch with Multiple Ni-Fe Electrode Storage.
| S-EPMC6373986 | biostudies-literature
Unknown Crystallographic character of grain boundaries resistant to hydrogen-assisted fracture in Ni-base alloy 725.
| S-EPMC6107512 | biostudies-literature
Unknown The Current Status of Hydrogen Storage Alloy Development for Electrochemical Applications.
| S-EPMC5452859 | biostudies-other
Unknown Implanting Ni-O-VOx sites into Cu-doped Ni for low-overpotential alkaline hydrogen evolution.
| S-EPMC7264301 | biostudies-literature