Publications related to Ultrathin ALD Aluminum Oxide Thin Films Suppress the Thermal Shrinkage of Battery Separator Membranes

Related publications (18)

A review of thermal management of batteries with a focus on immersion cooling

The performance, cycle life and safety of batteries are strongly influenced by temperature. However, fast charging and discharging can significantly increase heat generation, causing the battery temperature to rise rapidly. Therefore, it is essential to em ...

2025

Electrolyte effects and stability of Zn/Li dual-ion batteries with water-in-salt electrolytes

Nikolaos Kakavas, Michael Graetzel, Ladislav Kavan, Felix Thomas Eickemeyer, Jiaqi Xu, Wenzhe Niu

Aqueous zinc-ion batteries have emerged as promising candidates for safe and cost-effective energy storage, yet their performance remains constrained by electrode stability and electrolyte composition. In this study, we investigate the electrochemical beha ...

2025

Niobium oxide anode materials with suppressed activity toward hydrogen evolution reaction for aqueous batteries

Corsin Battaglia

The hydrogen evolution reaction is the most prominent parasitic reaction for aqueous battery chemistries. Although water-in-salt electrolytes show greatly enhanced electrochemical stability, increasing the voltage of aqueous batteries further by lowering t ...

ELSEVIER2024

Additive Fabrication of Microsupercapacitors

Amin Hodaei

Microsupercapacitors (with footprints from -mm up to -cm scale) have attracted attention for use as electrochemical energy storage devices to power wearables, IoT, and other small microsystems due to their high power density, excellent charge/discharge rev ...

EPFL2023

Flexible and Binder-Free Iron Phosphide Electrodes Using a Three-Dimensional Support for High Hydrogen Productivity

Maria Isabel Diez Garcia

In this work, an inexpensive and reliable microstructured electrode for the hydrogen evolution reaction (HER) is developed. This cathode is made of Earth-abundant elements consisting of iron phosphide as an electrocatalyst and carbon felt (CF) as a flexibl ...

2023

Redox dual-flow battery for combined electricity storage and hydrogen production

Danick Reynard

The energy transition towards a carbon-neutral and sustainable economy is one of the greatest challenges of the 21st century to combat global warming and pollution. The decarbonization process is affecting every sector of the economy (electricity, transpor ...

EPFL2022

Electrostatic particle collector

Satoshi Takahama, Nikunj Dudani

ESP particle collector (1) for collecting particles in a particle containing gas stream, comprising an inlet section (4), a collector section (6), and an electrode arrangement (8), the inlet section comprising a flow tube (10) defining a gas flow channel ( ...

2022

Fuel cell-battery hybrid systems for mobility and off-grid applications: A review

François Maréchal, Jan Van Herle, Ligang Wang, Xun Liao

The global demand for fossil fuels in the transportation sector is increasing rapidly due to the continuous growth of internal combustion engine vehicles. This leads to severe environmental problems, including greenhouse gas emissions and air-quality deter ...

PERGAMON-ELSEVIER SCIENCE LTD2021

Simulating Current Distribution of Oxygen Evolution Reaction in Microcells Using Finite Element Method

Vasiliki Tileli, Tzu-Hsien Shen, Morgan Julien André Barbey-Binggeli

A three-dimensional finite element method (FEM) model simulating the electrochemical behaviour of Pt coplanar thin-film electrodes used for liquid cell transmission electron microscopy measurements was developed. The model included reaction kinetics and it ...

ELECTROCHEMICAL SOC INC2021

Phase field parameters for battery compounds from first-principles calculations

Nicolas Georg Hörmann

In this work, we present and apply schemes to determine from first-principles calculations the relevant effective parameters used in phase field theory simulations of battery compounds. In particular, we derive that a consistent free energy density can be ...

2019

Modeling, understanding, and screening fast lithium-ion conductors for solid-state electrolytes

Leonid Kahle

The Li-ion batteries within the consumer electronics used in our everyday life suffer from well-known deficiencies due to the prevalent use of organic liquid electrolytes: the narrow electrochemical stability windows of the organic solvents used in these e ...

EPFL2019

On-Site Purification of Copper-Contaminated Vanadium Electrolytes by using a Vanadium Redox Flow Battery

Hubert Girault, Heron Vrubel, Danick Reynard, Christopher Raymond Dennison, Alberto Battistel

Corrosion of carbon-based electrodes and bipolar plates is a major hurdle and can be a cause of failure in commercial vanadium redox flow batteries (VRFBs). Carbon corrosion was found to occur in a commercial VRFB (10 kW/40 kWh), whereby cracks through bip ...

WILEY-V C H VERLAG GMBH2019

Battery

Pekka Eero Peljo

In a battery system, an electrochemical cell has a first compartment containing a positive electrolyte with an electrode 2 at least partially immersed in the positive electrolyte containing the first redox active material, forming a positive half cell. A s ...

2017

Redox flow battery and indirect water electrolysis

Véronique Amstutz

The progressive integration of renewable energy sources such as wind turbines and photovoltaic pannels in the current electrical network, and the rise of the electrical mobility, provoke a change of paradigm in the sector of energy management. The increasi ...

EPFL2015

Butyronitrile-based electrolyte for dye-sensitized solar cells

Michael Graetzel, Jacques-Edouard Moser, Arianna Marchioro

We elaborated a new electrolyte composition, based on butyronitrile solvent, that exhibits low volatility for use in dye-sensitized solar cells. The strong point of this new class of electrolyte is that it combines high efficiency and excellent stability p ...

2011

Novel Synthesis of the TiO2(B) Multilayer Templated Films

Michael Graetzel, Ladislav Kavan

TiO2(B) mesoporous thin films were grown in two steps on the F-doped SnO2 conductive glass substrates. In the first step, a small amount of H3PO4, corresponding to 0.15-0.375 wt % P on TiO2 basis, was introduced into concentrated HCl which was subsequently ...

2009

Redox study of anode supported solid oxide fuel cell

Jan Van Herle, Aïcha Hessler-Wyser, Antonin Faes

The common technology for solid oxide fuel cells (SOFC) is based on a cermet anode of nickel with yttrium stabilized zirconia (YSZ), often used as the supporting structure. One of the main limitations of this anode technology is the redox tolerance. In thi ...

2008

Redox Targeting of Insulating Electrode Materials: A New Approach to High-Energy-Density Batteries

Michael Graetzel, Qian Wang, Shaik Mohammed Zakeeruddin

A compact energy‐storage system based on redox targeting is proposed, by which insulating LiFePO4 particles can be reversibly charged and discharged by redox shuttle molecules (S; see scheme) even in the absence of conducting additives. The energy density ...

Wiley-VCH Verlag GmbH2006