MXene‐Based Materials for Electrochemical Sodium‐Ion Storage

Hybrid supercapacitor-battery materials for fast electrochemical charge storage

High energy and high power electrochemical energy storage devices rely on different fundamental working principles--bulk vs. surface ion diffusion and electron conduction. Meeting both characteristics within a single or a pair of materials has been under intense investigations yet, severely hindered by intrinsic materials limitations. Here, we provide a solution to this issue and present an app...

Pseudocapacitive oxide materials for high-rate electrochemical energy storage

Carbon materials for the electrochemical storage of energy in capacitors

The electrochemical storage of energy in various carbon materials (activated carbons, aerogels, xerogels, nanostructures) used as capacitor electrodes is considered. Different types of capacitors with a pure electrostatic attraction and/or pseudocapacitance effects are presented. Their performance in various electrolytes is studied taking into account the different range of operating voltage (1...

Electronic Environments and Electrochemical Properties of Lithium Storage Materials

The local electronic environments and energy storage properties of lithium electrodes are investigated through inelastic electron scattering and electrochemical measurements. Experimental and computational methods are developed to characterize the electronic structure of lithiated compounds during electrochemical cycling. An electrochemical investigation of new lithium alloys has led to a bette...

Materials for electrochemical capacitors.

Electrochemical capacitors, also called supercapacitors, store energy using either ion adsorption (electrochemical double layer capacitors) or fast surface redox reactions (pseudo-capacitors). They can complement or replace batteries in electrical energy storage and harvesting applications, when high power delivery or uptake is needed. A notable improvement in performance has been achieved thro...