Results 41 to 50 of about 1,599,665 (255)

Electrochemistry and Solid-State Chemistry of Layered Oxides for Li-, Na-, and K-Ion Batteries

open access: yesElectrochemistry, 2020
Since reversible lithium (de)intercalation of layered LiCoO2 and its high-voltage operation were discovered by Mizushima, Goodenough, and coworkers in 1980, layered lithium transition metal oxides have been mainly used as positive electrode materials for
Kei KUBOTA
doaj   +1 more source

Next-generation Rechargeable Batteries Utilizing Ionic Liquids and Various Charge Carriers

open access: yesElectrochemistry, 2022
Renewable energy resources and rechargeable batteries are key to establishing a carbon-neutral society. Lithium-ion batteries (LIBs) have been widely used in portable electronic devices for the past 30 years.
Takayuki YAMAMOTO
doaj   +1 more source

Electrospun Wood‐Derived Biopolymers as Electrodes in Electrochemical Energy Storage Technologies

open access: yesAdvanced Functional Materials, EarlyView.
Electrospinning transforms wood‐derived cellulose and lignin into architecturally defined, binder‐free carbon electrodes with tuneable porosity and functionality. This review shows how fibre design enables decoupled charge and mass transport, enhancing performance across battery systems, while identifying key challenges in spinnability, scalability ...
Michael W. Thielke   +3 more
wiley   +1 more source

Structural Power Composites Based on High Mass Loading Zn‐Ion Hybrid Supercapacitors with Metal Mesh Current Collectors and Aramid Nanofiber/Glass Fiber Composite Electrolytes

open access: yesAdvanced Functional Materials, EarlyView.
A multifunctional structural power composite is developed by integrating high‐mass‐loading Zn‐ion hybrid supercapacitors with metal mesh current collectors and aramid nanofiber‐based composite electrolytes, enabling simultaneous load‐bearing capability and enhanced areal energy storage.
Yuseung Choi   +8 more
wiley   +1 more source

In Situ Fabrication of Cuprous Selenide Electrode via Selenization of Copper Current Collector for High‐Efficiency Potassium‐Ion and Sodium‐Ion Storage

open access: yesAdvanced Science, 2022
Selenium‐based materials are considered as desirable candidates for potassium‐ion and sodium‐ion storage. Herein, an in situ fabrication method is developed to prepare an integrated cuprous selenide electrode by means of directly chemical selenization of
Xi Chen   +6 more
doaj   +1 more source

Recent research progress in non-aqueous potassium-ion batteries

open access: yes, 2017
The recent research progress in non-aqueous potassium-ion batteries is summarized and the challenges and future research opportunities are briefly discussed.
Xiaoxi Zou   +5 more
core   +1 more source

Optimizing NiMo Electrocatalyst Coatings for Hydrogen Evolution in Alkaline Electrolysis With The Machine Learning‐Guided Autonomous Platform CatBot

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a closed‐loop optimization workflow integrating CatBot, an automated synthesis and testing system, to discover NiMo hydrogen‐evolution catalysts. CatBot synthesised and evaluated 228 unique samples, identifying the best performing catalysts for transfer to nickel‐foam electrodes. The best candidate is highly active, reaching 1 Acm−2${
Paolo Vincenzo Freiesleben de Blasio   +7 more
wiley   +1 more source

Advanced Multiscale Modeling of Potassium‐Ion Batteries for Interplay of Electrochemical and Mechanical Behavior Across Scales

open access: yesSmall Structures
Potassium‐ion batteries present a promising alternative to address the global lithium shortage. However, their electrochemical performance is significantly hampered by the severe volume expansion of graphite electrodes upon K‐ion intercalation.
Subeen Kim   +3 more
doaj   +1 more source

Magneto‐Ionic Devices With Polymer‐Based Electrolytes

open access: yesAdvanced Functional Materials, EarlyView.
Polymer electrolytes are introduced for magneto‐ionic devices based on hydroxide and hydrogen ions. The magneto‐ionic effect results in a pronounced voltage‐controlled variation of coercivity in both devices. The switching speed is in the range of 100 ms.
Markus Gößler   +3 more
wiley   +1 more source

The potential of solid‐state potassium‐ion batteries with polymer‐based electrolytes

open access: yesCarbon Energy
As a potential substitute for traditional nonaqueous organic electrolytes, polymer‐based solid‐state electrolytes (SSEs) have the advantages of high safety, flexibility, low density, and easy processing.
Tianqi Wang   +9 more
doaj   +1 more source

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