Herein, we report the first prototype of a highly bendable, quasi-solid-state Zn–poly(aniline-co-azure C) (PANAC) battery. The conformal assembly of the PANAC copolymer onto a porous carbon-sheathed carbon cloth was explored as a cathode, rendering the rich protonated nitrogen at a charged state and unique "
Abstract. Merited by its fast proton diffusion kinetics, proton batteries are qualified as one of the most next-generation energy storage devices. The recent …
Aqueous zinc-ion batteries (AZIB) have several advantages such as low cost, large theoretical capacity and good safety. However, the development of polyaniline (PANI) cathode materials has been limited by slow diffusion kinetics. Herein, proton-self …
Specifically, the protons preferentially coordinated with the prototypical pyrene-4,5,9,10-tetraone (PTO) cathode, ... Regulating Protons to Tailor the Enol Conversion of Quinone for High-Performance Aqueous Zinc Batteries. / Cui, Huilin; Zhu, Jiaxiong et al. In: ...
An organic cathode material for zinc-ion batteries shows a reliable proton transport mechanism. It uses a pyrazine ring as the energy storage unit and H+ as the shuttle ion, enabling high functionality utilization with rapid redox kinetics.
The electrode based on the conversion reaction of Mn2+/MnO2 is regarded as a promising cathode for aqueous proton batteries (APBs) due to its high redox potential and cost-effectiveness, but it needs a strongly acidic medium to trigger this redox reaction. Herein, a mild perchlorate-based electrolyte without
It is found that the synthesized ultrathin Bi2O2Se nanosheets can effectively activate stable protons storage in AZBs rather than large zinc ions, providing a potential design of high-performance electrode materials for AZBs. Aqueous zinc batteries (AZBs) are considered promising candidates for large-scale energy storage systems …
Designing next-generation alternative energy storage devices that feature high safety, low cost, and long operation lifespan is of the utmost importance for future wide range of applications. Aqueous zinc-ion batteries play a vital part in promoting the development of ...
Proton insertion chemistry based on organic aqueous zinc-ion batteries (ZIBs) was developed in a mild electrolyte. The H+ insertion/extraction endows the battery system …
Transition metal oxides are promising electrocatalysts for zinc-air batteries, yet surface reconstruction caused by the adsorbate evolution mechanism, …
Proton hysteresis was, for first time, observed in zinc-ion batteries. • Oxygen vacancy promotes the conductivity and intercalation of Zn 2+ and H +. The new cathodes deliver excellent rate and long-term cycling performance. Rechargeable aqueous zinc …
This study identified photo-induced proton transfer (photo-induced PT) as a significant process in photo-(dis)charging of widely-used V 2 O 5-based zinc-ion batteries, contributing to enhanced capacity under illumination but jeopardizing photo-stability.
As an interesting ionic charge carrier, proton has the smallest ionic radius and the lowest ionic mass (Fig. 1a).Therefore, compared with metal carriers [16], proton has ultra-fast diffusion kinetics, which can simultaneously meet the requirements of both high power density and high energy density, and is an ideal carrier for large-scale energy …
Proton storage in rechargeable aqueous zinc-ion batteries (ZIBs) is attracting extensive attention owing to the fast kinetics of H + insertion/extraction. However, it has not been achieved in organic materials-based ZIBs with a mild electrolyte. Now, aqueous ZIBs ...
This proof-of-concept shows the feasibility of assembling all-organic proton batteries which require no conductive additives and also reveals where the challenges and opportunities lie on the path to …
All-organic proton batteries are attracting extensive attention due to their sustainability merits and excellent rate capability. Generally, strong acids (e.g. H 2 SO 4) have to be employed as the electrolytes to provide H + for all-organic proton batteries due to the high H + intercalation energy barrier. ...
A symmetric all-organic proton battery is developed in mild ZnSO 4 electrolyte, which exhibits enhanced electrochemical performance and broadens proton-based battery chemistry. Abstract All-organic proton batteries are attracting extensive attention due to their sustainability merits and excellent rate capability.
This work demonstrates the application of 1,4,5,8-naphthalenetetracarboxylic dianhydride (NTCDA), an organic compound, as a replacement for the Zn-metal anode enabling the design of a ''rocking-chair'' zinc-proton hybrid ion battery. Rechargeable batteries consisting of a Zn metal anode and a suitable cathode …
Proton insertion chemistry based on organic aqueous zinc-ion batteries (ZIBs) was developed in a mild electrolyte. The H + insertion/extraction endows the battery system with enhanced electrochemical performance. Moreover, the …
Cl-doped Bi 2 Te 3 were synthesized by tellurizing BiOCl plates through an uncomplicated hydrothermal process. Cl dopant can act as efficient electron donors, increasing the carrier concentration and electrical conductivity. • The Cl-doped Bi 2 Te 3 possesses perferable proton and Zn 2+ adsorption capability, enhancing the capacity of …
Proton battery consists of a proton storage material and proton donor electrolyte. Proton donor electrolytes are usually derived from acidic aqueous solutions (H 2 SO 4, H 3 PO 4, etc), while the protons generated by the reaction of polyvalent ions such as Zn 2+ with the solvent H 2 O in mild electrolytes are usually ignored. ...
6 · For example, zinc hydroxide sulfate (Zn 4 (OH) 6 SO 4 · xH 2 O, ZHS) is often observed as a side-product in aqueous Zn-ion batteries, [50] whose formation is attributed to the precipitation of insoluble sulfate salts when the local electrolyte pH increases (proton
At present, aqueous rechargeable Zn–MnO 2 batteries have attracted widespread attention as green potential application for renewable energy storage devices. MnO 2 cathode has great potential for application, but its proton reaction results in side reactions of cathode, electrolyte consumption, and dramatic pH value changes, suffering …
Subsequently, we focused on the electrochemical mechanisms of proton storage and the associated redox effect in aqueous zinc-organic batteries, including pure Zn 2+ …
Accelerated deprotonation with a hydroxy-silicon alkali ...
Electroactive organic materials with flexible molecular design and fast reaction kinetics are promising for aqueous zinc ion batteries (AZIBs). While it is still a challenge to solve the solubility and conductivity of organic cathode materials for AZIBs. Herein, a polymer ...
Physicochemical properties of hydrogen-bond disrupting electrolytes. a) High conductivity of H 2 SO 4 –glycerol electrolytes compared with proton battery electrolytes and other highly concentrated electrolytes. b) FTIR spectrum of the as-prepared H 2 SO 4 –glycerol electrolyte. –glycerol electrolyte.
The aqueous zinc ion battery (AZIB) has been widely studied due to its rapid kinetics and high specific capacity attributed to the chemical insertion of H + protons. However, the current research landscape lacks comprehensive investigations into copper-based ...
Enabling selective zinc-ion intercalation by a eutectic ...
For example, excessive Zn metal anodes (Zn foil with a thickness of 50–200 μm) were used in most reported aqueous zinc batteries. 48 This problem is also troubling for Sn metal batteries, and excessive Sn were used in …
Although the proton (H +) storage chemistry in aqueous Zn-organic batteries has triggered an overwhelming literature surge in recent years, this topic remains controversial. Therefore, our review focuses on this significant issue and summarizes the reported electrochemical mechanisms, including pure Zn 2+ intercalation, pure H + …
The protons participation in the charge compensation can be verified by inorganic salt by-product, namely zinc hydroxide sulfate with "x" crystalline water (Zn 4 (OH) 6 SO 4 ÁxH 2 O). 5,26,30,33 ...
Mechanism study for MoO 3 electrode in molecular crowding electrolytes. a) Contact angle tests for 0 PEG electrolyte (top) and 0.5 PEG electrolyte (bottom) on the surface of MoO 3 electrodes. b) Adsorption energy comparison of H 2 O and PEG molecules on MoO 3 (010) surface with external potentials, insets show the corresponding …
6 · For aqueous batteries, proton activity also largely determines the electrochemical stability window (ESW) of the electrolyte. Hydrogen evolution is the most …
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