The cathodes are composed of an alloy of nickel and steel supported on a grid of nickel. The anodes of the nickel-iron battery are iron powder fixed onto steel supports. In an inert steel container, there is a 20%–25% KOH solution. The following cell reactions are: Left-hand side electrode: Right-hand side electrode:
11.1. Introduction Nickel-based batteries, including nickel-iron, nickel-cadmium, nickel-zinc, nickel hydrogen, and nickel metal hydride batteries, are similar in the way that nickel hydroxide electrodes are utilised as positive plates in the systems.
The nickel–iron battery was invented by Waldemar Jungner and Thomas Edison in 1899–1902 and fully developed over the past century 9, 10. With NiO (OH) as the cathode and Fe as the anode, a typical Ni–Fe battery is able to deliver specific gravimetric energy of ~30–50 Wh kg −1 and power of ~3–50 W kg −1 (refs 9, 10).
Alkaline batteries were first introduced in 1919. Edison cells are either made with nickel oxide and iron or with nickel oxide and cadmium [ 28 ]. The cathodes are composed of an alloy of nickel and steel supported on a grid of nickel. The anodes of the nickel-iron battery are iron powder fixed onto steel supports.
Higher-dimensioned electrodes provide larger surface areas and efficient charge transfer kinetics. Aside from transition metal oxides and graphene, other 2D materials such as TMDs and MXenes, which are low-cost materials gaining traction in alkali metal ion batteries, could be considered in the electrode designs for Ni-Fe batteries.
Figure 1: Schematic drawing of the ultra-Ni–Fe battery made from inorganic/carbon hybrid materials. A Ni (OH) 2 /MWNT hybrid was used as the cathode and a FeO x /graphene hybrid was used as the anode. 1 M aqueous KOH solution was used as the electrolyte.
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Herein, a flexible quasi-solid-state aqueous nickel–iron (QSSA Ni-Fe) battery with high energy and power densities is rationally developed using ultrathin Ni(OH) 2 nanoflakes and porous ɑ-Fe 2 O 3 nanorods conformally deposited on vertically aligned MOF-derived N-doped carbon hollow nanowalls supported by carbon textiles (NC/CTs) as the ...
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Alkaline aqueous nickel/iron batteries have been extensively research and have received much attention because of their high ionic conductivity, abundant reserves, non-toxicity, and safety. …
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A substrate-integrated nickel–iron ultrabattery is realized using nickel oxide (NiO) nanoflakes and hematite (α-Fe 2 O 3) nanorods as electroactive materials for its positive and negative electrodes, respectively. Direct growth of electroactive materials on a highly conductive stainless steel substrate enhances the mechanical ...
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In this review, the fundamental reaction mechanisms are comprehensively examined to understand the cause of persisting issues. The design improvements for both the anode and cathode of Ni-Fe batteries are …
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An ultrafast nickel–iron battery from strongly coupled ...
Here we develop a new type of Ni–Fe battery by employing novel inorganic nanoparticle/graphitic nanocarbon (carbon nanotubes and graphene) hybrid materials as …
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Alkaline aqueous nickel/iron batteries have been extensively research and have received much attention because of their high ionic conductivity, abundant reserves, non-toxicity, and safety. However, nickel–iron batteries often face electrode material oxidation, battery deactivation, and a high self-discharge rate of electrodes. These problems ...
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Nickel–iron (Ni–Fe), nickel–cadmium (Ni–Cd), nickel–hydrogen (Ni–H2), nickel–metal hydride (Ni–MH) and nickel–zinc (Ni–Zn) batteries employ nickel oxide electrodes as the ...
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Nickel–iron (Ni–Fe), nickel–cadmium (Ni–Cd), nickel–hydrogen (Ni–H2), nickel–metal hydride (Ni–MH) and nickel–zinc (Ni–Zn) batteries employ nickel oxide electrodes …
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Herein, a flexible quasi-solid-state aqueous nickel–iron (QSSA Ni-Fe) battery with high energy and power densities is rationally developed using ultrathin Ni(OH) 2 …
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The nickel–iron battery (NiFe battery) is a rechargeable battery having nickel(III) oxide-hydroxide positive plates and iron negative plates, with an electrolyte of potassium hydroxide. The active materials are held in nickel-plated steel tubes or perforated pockets. It is a very robust battery which is tolerant of abuse, (overcharge ...
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