Zur kenntnis der nickelhydroxidelektrode—I.Über das nickel (II)-hydroxidhydrat

Bode, Hans R.; Dehmelt, K.; Witte, J.

doi:10.1016/0013-4686(66)80045-2

Cited by 892 publications

(708 citation statements)

References 14 publications

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“…However, under these conditions it has been noted that the following process may occur as the potential is cycled anodically, 167,173 OH À -OH ads + e À…”

Section: Bulk Oxide/hydroxide Electrodesmentioning

confidence: 99%

“…Thus, the specific processes involved in the Ni(II)/ Ni(III) transition can provide insight into the nature of the OER catalytic sites. A major advance in the understanding of the Ni(II)/Ni(III) transition was made by Bode et al 173 who described the redox behaviour in terms of four phases as illustrated in Fig. 12.…”

Section: Interfacial Redox Chemistry Of Nickel Based Electrodes In Almentioning

confidence: 99%

“…Cobalt hydroxides were also studied by Bode et al 173 as part of the seminal work that led to the development of the Bode cycle outlined above for the Ni hydroxide electrodes. In an analogous manner to the situation for divalent Ni hydroxides, there exists both hydrous a-Co(OH) 2 and largely anhydrous b-Co(OH) 2 .…”

Section: Interfacial Redox Chemistry Of Cobalt Based Electrodes In Almentioning

confidence: 99%

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Redox and electrochemical water splitting catalytic properties of hydrated metal oxide modified electrodes

Doyle

Godwin

Brandon

et al. 2013

Phys. Chem. Chem. Phys.

538

565

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This paper presents a review of the redox and electrocatalytic properties of transition metal oxide electrodes, paying particular attention to the oxygen evolution reaction. Metal oxide materials may be prepared using a variety of methods, resulting in a diverse range of redox and electrocatalytic properties. Here we describe the most common synthetic routes and the important factors relevant to their preparation. The redox and electrocatalytic properties of the resulting oxide layers are ascribed to the presence of extended networks of hydrated surface bound oxymetal complexes termed surfaquo groups. This interpretation presents a possible unifying concept in water oxidation catalysis -bridging the fields of heterogeneous electrocatalysis and homogeneous molecular catalysis. In contextOver the past 50 years considerable research efforts have been devoted to the realisation of efficient, economical and renewable energy sources. Metal oxide materials have played a large part in this drive with demonstrated applications at both the research and commercial level. Their use in areas such as batteries, fuel cells and water electrolysis has resulted in the development of materials with a diverse range of structural and chemical properties. In all cases, understanding the fundamental electrochemistry of the material can be invaluable for rational design and optimisation. This review focuses on the redox, charge transport and electrocatalytic properties of transition metal oxide electrodes as they pertain to the electrolytic splitting of water. Particular emphasis is placed on the nature of the active surface which is interpreted in terms of hydrated interlinked oxymetal complexes termed surfaquo groups. In this way, the review seeks to bridge the gap between heterogeneous electrocatalysis and homogeneous molecular catalysis for water oxidation, areas of considerable modern interest and activity.

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“…However, under these conditions it has been noted that the following process may occur as the potential is cycled anodically, 167,173 OH À -OH ads + e À…”

Section: Bulk Oxide/hydroxide Electrodesmentioning

confidence: 99%

Section: Interfacial Redox Chemistry Of Nickel Based Electrodes In Almentioning

confidence: 99%

Section: Interfacial Redox Chemistry Of Cobalt Based Electrodes In Almentioning

confidence: 99%

See 1 more Smart Citation

Redox and electrochemical water splitting catalytic properties of hydrated metal oxide modified electrodes

Doyle

Godwin

Brandon

et al. 2013

Phys. Chem. Chem. Phys.

538

565

View full text Add to dashboard Cite

show abstract

“…During water oxidation, α-Ni(OH)2 is oxidized to γ-Ni(O)OH, whereas β-Ni(OH)2 is transformed into β-Ni(O)OH; both oxyhydroxides are reduced back to their starting hydroxides during electrochemical cycling. [18][19][20] It has been a long-held view that β-Ni(OH)2 is more active for oxygen evolution. Studies of electrodeposited amorphous α-Ni(OH)2 and its ageing to β-Ni(OH)2 in basic electrolytes suggested that oxygen evolution occurred at lower onset potential for β-Ni(OH)2/β-Ni(O)OH.…”

Section: Raman Spectramentioning

confidence: 99%

“…Studies of electrodeposited amorphous α-Ni(OH)2 and its ageing to β-Ni(OH)2 in basic electrolytes suggested that oxygen evolution occurred at lower onset potential for β-Ni(OH)2/β-Ni(O)OH. 18,[21][22][23][24][25][26][27][28] Yachandra and Nocera challenged this notion by correlating structure to activity in a nickel-borate oxygen evolution catalyst. 29 Dai established that crystalline Fe-doped α-Ni(OH)2 on carbon nanotubes is more active than the equivalent β-phase material.…”

Section: Raman Spectramentioning

confidence: 99%

Highly Active Mixed-Metal Nanosheet Water Oxidation Catalysts Made by Pulsed-Laser Ablation in Liquids

et al. 2014

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Surfactant-free mixed-metal hydroxide water oxidation nanocatalysts were synthesized by pulsed-laser ablation in liquids. In a series of [Ni-Fe]layered double hydroxides with intercalated nitrate and water, [Ni 1−x Fe x (OH) 2 ](NO 3 ) y (OH) x−y •nH 2 O, higher activity was observed as the amount of Fe decreased to 22%. Addition of Ti 4+ and La 3+ ions further enhanced electrocatalysis, with a lowest overpotential of 260 mV at 10 mA cm −2 . Electrocatalytic water oxidation activity increased with the relative proportion of a 405.1 eV N 1s (XPS binding energy) species in the nanosheets.

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Oxide‐Based Electrochromics

Granqvist

2010

Transparent Electronics

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Electrochromic (EC) device technology can be used for modulating the transmittance of visible light and solar radiation in see-through applications, including in architectural windows. This chapter gives a broad overview of oxide-based EC technology with particular emphasis on the large energy savings that can be achieved by its implementation in the built environment; the savings can be made simultaneously with achieving improved indoor comfort for the users of the building. Manufacturing aspects are considered with focus on methods compatible with low-cost roll-to-roll methods. Recent work on foil-type devices embodying sputter deposited WO 3 and NiO-based films joined by a polymer electrolyte is then discussed in particular detail, as are some recent research results of particular relevance for the indicated applications.The current research and development on oxide-based electrochromics is to a large extent tied to the possibilities of this technology being able to provide energy efficiency in buildings and hence contribute to combating the harmful effects of global warming. A brief discussion of these issues serves as an appropriate background to this chapter. Global warming is presently receiving worldwide attention, and means to alleviate its harmful influences are urgently needed [1]. The effects are real and with us today; thus, for example, it has been stated that the warming and precipitation trends due to anthropogenic climate change during the past three decades has already claimed over 150 000 human lives per year [2,3]. Furthermore, these changes may be accompanied by more frequent and/or extreme events such as heatwaves, heavy rainfall, storms and coastal flooding. It is also predicted that nonlinear climate responses can lead to breakdown of ocean 'conveyor belt' Transparent Electronics: From Synthesis to Applications Edited by Antonio Facchetti and Tobin J. Marks

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Zur kenntnis der nickelhydroxidelektrode—I.Über das nickel (II)-hydroxidhydrat

Cited by 892 publications

References 14 publications

Redox and electrochemical water splitting catalytic properties of hydrated metal oxide modified electrodes

Redox and electrochemical water splitting catalytic properties of hydrated metal oxide modified electrodes

Highly Active Mixed-Metal Nanosheet Water Oxidation Catalysts Made by Pulsed-Laser Ablation in Liquids

Oxide‐Based Electrochromics

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