Zinc nitrate battery
The electrode shows high performance for the nitrate-to- ammonia electroreduction and can be integrated into a Zinc–nitrate battery to provide electricity, ammonia and nitrate degradation. Abstract. Electrocatalytic nitrate reduction is a promising approach to remove harmful nitrate and produce ammonia in aqueous media. Here, we demonstrate how … - Download [PDF]
Metal Alloy‐Functionalized 3D‐Printed Electrodes for Nitrate…
The electrode shows high performance for the nitrate-to- ammonia electroreduction and can be integrated into a Zinc–nitrate battery to provide electricity, ammonia and nitrate degradation. Abstract. Electrocatalytic nitrate reduction is a promising approach to remove harmful nitrate and produce ammonia in aqueous media. Here, we demonstrate how …
Boosting active hydrogen generation by anchored Ru sites in …
Performance of the Ru-Co 3 O 4-based zinc-nitrate battery (A) OCV and discharge curves. (B) NH 3 yield rates and FEs at different current densities. (C) Polarization curves and power densities of Ru-Co 3 O 4 and Co 3 O 4. (D) Energy output curves and NH 3 FEs. (E) Performance comparison of the Ru-Co 3 O 4-based Zn-nitrate battery with recent …
Pd doping-weakened intermediate adsorption to …
Considering an eight-electron nitrate-to-ammonia reaction and the excellent electrocatalytic activity of Pd/TiO 2, we, for the first time, propose and develop a Zn–nitrate battery system, which delivers striking bifunctionality for …
Designing modern aqueous batteries | Nature Reviews Materials
Examples of dual-ion batteries include lead–acid batteries, where H + is involved in the cathode reaction PbO 2 /Pb 2+ but not in the anode reaction Pb 2+ /Pb; nickel–zinc, where H + is ...
Zn-based batteries for sustainable energy storage: …
Examples include the catalytic conversion of acetylene (Zn–acetylene battery) and the catalytic conversion of nitrate (Zn–nitrate battery). This section focuses predominantly on elucidating the mechanisms of …
Metal Alloy-Functionalized 3D-Printed Electrodes for Nitrate-to …
Zinc-nitrate battery demonstrated the technological utility of the electrode system. Results and Discussion The 3D printed electrodes were fabricated in a three-step process involving 3D printing, chemical surface etching, and electroless plating (Scheme 1). The electrodes were designed and 3D printed with a microstructured lattice pattern to increase their …
Zinc nitrate
Zinc nitrate is an inorganic chemical compound with the formula Zn(NO 3) 2. This colorless, crystalline salt is highly deliquescent. It is typically encountered as a hexahydrate Zn(NO 3) 2 ·6H 2 O. It is soluble in both water and alcohol. Synthesis. Zinc nitrate is usually prepared by dissolving zinc metal, zinc oxide, or related materials in nitric acid: Zn + 2 HNO 3 → Zn(NO 3) …
Engineering active sites of cathodic materials for high ...
It has been reported that zinc-nitrogen batteries (ZNBs), such as Zn-N2, Zn-NO, Zn-NO3−, and Zn-NO2− batteries, can not only reduce nitrogenous species to ammonia but also have concomitant power output. However, the common drawbacks of these battery systems are unsatisfactory power density and ammonia production. In this review, the latest progress of …
Three-dimensional Zn-based alloys for dendrite-free aqueous Zn battery ...
Aqueous zinc-ion batteries, in terms of integration with high safety, environmental benignity, and low cost, have attracted much attention for powering electronic devices and storage systems.
[PDF] Constructing molecule-metal relay catalysis over …
Significance Zinc-nitrate batteries have been regarded as a competitive candidate for next-generation power accessories, which integrate energy supply, ammonia electrosynthesis, and sewage disposal into one electrochemical device. However, previous zinc-nitrate batteries are facing challenges of low energy density and unsatisfactory rechargeability.
Lanthanum nitrate as aqueous electrolyte additive for favourable zinc ...
Aqueous zinc batteries are appealing devices for cost-effective and environmentally sustainable energy storage. However, the zinc metal deposition at the anode strongly influences the battery ...
Pd doping-weakened intermediate adsorption to promote …
Pd doping-weakened intermediate adsorption to promote electrocatalytic nitrate reduction on TiO 2 nanoarrays for ammonia production and energy supply with zinc–nitrate batteries Y. Guo, R. Zhang, S. Zhang, Y. Zhao, Q. Yang, Z. Huang, B. Dong and C. Zhi, Energy Environ.
Angew.: 100% …
"Enabled Efficient Ammonia Synthesis and Energy Supply in a Zinc–Nitrate Battery System by Separating Nitrate Reduction Process into Two Stages "Angew. Chem.。 【】 ：,. NO2-Cu, ...
Enabled Efficient Ammonia Synthesis and Energy Supply in a Zinc–nitrate ...
The high efficiency for such a reduction process was further explored in a zinc-nitrate battery. This battery could be specified by a high output voltage of 0.70 V, an average energy density of 566.7 Wh L-1 at 10 mA cm-2 and a power density of 14.1 mW cm-2, which is well beyond all previously reported similar concepts.
High-valent cobalt active sites derived from electrochemical …
Enabled Efficient Ammonia Synthesis and Energy Supply in a Zinc-nitrate Battery System by Separating Nitrate Reduction Process into Two Stages. Haifeng Jiang Gaofeng Chen +5 authors Haihui Wang. Environmental Science, Chemistry. Angewandte Chemie. 2023; The aqueous electrocatalytic reduction of NO3- into NH3 (NitrRR) presents a …
Efficient bifunctional catalyst enables high …
Zinc-nitrate batteries are a primary non-rechargeable energy storage system that utilizes the redox potential difference between zinc and nitrate ions to store and release electrical energy. A research team co-led by …
Constructing molecule-metal relay catalysis over heterophase
Using RhCu M-tpp as a bifunctional catalyst for nitrate reduction reaction (NO 3 RR) and ethanol oxidation reaction in neutral solution, a highly rechargeable and low-overpotential zinc-nitrate/ethanol battery is successfully constructed, which exhibits outstanding energy density of 117364.6 Wh kg −1 cat, superior rate capability, excellent cycling stability of …
A bioinspired Fe/Mo bimetallic nitride catalyst for efficient ...
Zinc–nitrate battery performance. Encouraged by the outstanding catalytic activity of FeMoN@C NO, we propose a new Zn-nitrate battery system. In this system, the FeMoN@C NO catalyst is anchored on carbon cloth, serving as cathode, while a Zn plate functions as anode. This configuration allows the simultaneous production of ammonia and the …
Regulating the d-Band Center of Metal–Organic ...
The electrochemical reduction of nitrate ions to valuable ammonia enables the recovery of nitrate pollutants from industrial wastewater, thereby synchronously balancing the nitrogen cycle and achieving NH3 production. However, the currently reported electrocatalysts still suffer from the low NH3 yield rate, NH3 Faradaic inefficiency, and NH3 partial current density. …
Rechargeable Zinc-Nitrate/Ethanol Battery Made by …
Zinc-nitrate batteries are a type of non-rechargeable energy storage technology that uses the redox potential difference between zinc and nitrate ions to store and release electrical energy. A research team led by …
A review of zinc-based battery from alkaline to acid
In 2012, Kang et al. discovered the intercalation reaction of Zn 2+ in MnO 2 using zinc sulfate (ZnSO 4) or zinc nitrate (Zn(NO 3) 2) as the electrolyte, and first proposed the concept of ''zinc-ion battery'' [14]. In 2018, Zhi et al. reported a Co(III) rich-Co 3 O 4 /Zn gel electrolyte zinc-ion battery, slowing down the separator damage during the working of zinc …
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CuTABQZn-NO3-12.3 mW cm-2。,NO3-NH3。 2. . Molecular Engineering of a Metal …
High-voltage and dendrite-free zinc-iodine flow battery
Researchers reported a 1.6 V dendrite-free zinc-iodine flow battery using a chelated Zn(PPi)26- negolyte. The battery demonstrated stable operation at 200 mA cm−2 over 250 cycles, highlighting ...
Enabled Efficient Ammonia Synthesis and Energy …
The high efficiency for such a reduction process was further explored in a zinc-nitrate battery. This battery could be specified by a high output voltage of 0.70 V, an average energy density of 566.7 Wh L −1 at 10 mA …
(PDF) Constructing molecule-metal relay catalysis over …
Zinc-nitrate batteries can integrate energy supply, ammonia electrosynthesis, and sewage disposal into one electrochemical device. However, current zinc-nitrate batteries still severely suffer ...
Electrolyte additives toward practical aqueous zinc-ion batteries ...
With the growing demand for rechargeable batteries in large-scale energy storage systems, aqueous zinc-ion batteries (AZIBs) have aroused great research interest. AZIBs working in neutral or mildly acidic electrolytes are composed of cathodes, anodes, and aqueous electrolytes, which were first proposed by Yamamoto et al. in 1986 [4], and then …
&Gao-Feng Chen Angew.： …
（Zn-NO3-）。 [2+6]-,Zn-NO3-。 0.70 V,10 mA cm-2 …
Photo-rechargeable zinc-ion battery using highly ordered and …
Next, the template substrates were immersed in a nutrient solution, consisting of 0.05 M zinc nitrate hexahydrate [Zn(NO 3) 2-6H 2 O], 0.02 M polyethylenimine (PEI) and 0.05 M hexamethyltetramine ((CH 2) 6 N 4), 40 mL deionized water, at 95 °C for 6 h to grow ZnO nanorods in the exposed hole with AZO as seed layer. Subsequently, the as-prepared ZMRAs …
&Gao-Feng Chen Angew.： …
"Enabled Efficient Ammonia Synthesis and Energy Supply in a Zinc-nitrate Battery System by Separating Nitrate Reduction Process into Two Stages"Angewandte Chemie International Edition。 2. . 1.
Efficient Ammonia Electrosynthesis and Energy
A Zn-nitrate battery is reported to enable a "killing three birds with one stone" strategy for energy supply, ammonia production and removal of pollutants with the iron doped nickel phosphide (Fe/Ni 2 P) as a NO 3 – RR …
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A Rechargeable Zinc Copper Battery Using a Selective
A Rechargeable Zinc Copper Battery Using a Selective Cation Exchange Membrane Alexander Jameson, Ali Khazaeli, Dominik P.J. Barz∗ Department of Chemical Engineering, Queen''s University ...
Nitrate‐to‐Ammonia Conversion on Ru/Ni Hydroxide Hybrid through Zinc ...
In summary, we demonstrated a device of metal-nitrate fuel cell o harvest electricity from chemical pollutants that can produce ammonia from nitrate reduction with low-cost zinc anode and bimetallic Ru/Ni hydroxide hybrid catalyst which provides a selectivity of almost 100% in wide potentials ranges, and high yield rate of 384 mmol h –1 mg Ru –1 (1.4 × 10 –6 ± …
Enabled Efficient Ammonia Synthesis and Energy Supply in a …
work also assembled an aqueous battery by combining a nitrate cathode with a zinc anode (Zn NO 3 battery). Benefitting from the staged [2+6]-electron pathway, the Zn NO 3 battery enabled efficient energy supply with the highest output voltage of 0.70 V, an energy density of 566.7 Wh L 1 at 10 mA cm 2 and a power density of