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High-Capacity Aqueous Potassium-Ion Batteries for Large-Scale Energy Storage.

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TLDR
A potassium iron (II) hexacyanoferrate nanocube cathode material is reported, which operates with an aqueous electrolyte to deliver exceptionally high capacities (up to 120 mA h g-1 ).
Abstract
A potassium iron (II) hexacyanoferrate nanocube cathode material is reported, which operates with an aqueous electrolyte to deliver exceptionally high capacities (up to 120 mA h g(-1)) The cathode material exhibits excellent structural integrity, leading to fast kinetics and highly reversible properties All of the battery materials are safe, inexpensive, and provide superior high-rate, long-cycle-life electrochemical performance

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Rechargeable aqueous zinc-manganese dioxide batteries with high energy and power densities

TL;DR: A high-performance rechargeable zinc-manganese dioxide system with an aqueous mild-acidic zinc triflate electrolyte believed to be promising for large-scale energy storage applications.
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Roadmap for advanced aqueous batteries: From design of materials to applications.

TL;DR: The challenges in AB fundamental research are presented, focusing on the design of advanced materials and practical applications of whole devices, and a roadmap starting with material design and ending with the commercialization of next-generation reliable ABs is provided.
Journal ArticleDOI

An Initial Review of the Status of Electrode Materials for Potassium-Ion Batteries

TL;DR: In this paper, the status of room-temperature potassium-ion batteries is reviewed in light of recent concerns regarding the rising cost of lithium and the fact that room temperature sodium ion batteries have yet to be commercialized thus far.
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Approaching high-performance potassium-ion batteries via advanced design strategies and engineering.

TL;DR: The strategies and perspectives summarized in this review aim to provide practical guidance for an increasing number of researchers to explore next-generation and high-performance PIBs, and the methodology may also be applicable to developing other energy storage systems.
Journal ArticleDOI

Rechargeable Aqueous Zn–V2O5 Battery with High Energy Density and Long Cycle Life

TL;DR: Aqueous Zn-V2O5 battery chemistry is reported in this paper, which employs commercial V2O-5 cathode, Zn anode, and 3 M Zn(CF3SO3)2 electrolyte.
References
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Journal ArticleDOI

Carbon-based Supercapacitors Produced by Activation of Graphene

TL;DR: This work synthesized a porous carbon with a Brunauer-Emmett-Teller surface area, a high electrical conductivity, and a low oxygen and hydrogen content that has high values of gravimetric capacitance and energy density with organic and ionic liquid electrolytes.
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Electrochemical Energy Storage for Green Grid

TL;DR: This review offers details of the technologies, in terms of needs, status, challenges and future R&d directions, that are expected to integrate significant levels of renewables into the electrical grid.
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Pseudocapacitive Contributions to Electrochemical Energy Storage in TiO2 (Anatase) Nanoparticles

TL;DR: In this paper, the capacitive effects of nanostructured materials for electrochemical energy storage have been investigated over a dimensional regime where both capacitive and lithium intercalation processes contribute to the total stored charge.
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Anomalous Increase in Carbon Capacitance at Pore Sizes Less Than 1 Nanometer

TL;DR: The results challenge the long-held axiom that pores smaller than the size of solvated electrolyte ions are incapable of contributing to charge storage.
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"Water-in-salt" electrolyte enables high-voltage aqueous lithium-ion chemistries.

TL;DR: A highly concentrated aqueous electrolyte whose window was expanded to ~3.0 volts with the formation of an electrode-electrolyte interphase, which could potentially be replaced with a safer aQueous alternative to lithium-ion batteries.
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