Energy storage, in particular storage of electric energy, is of tremendous importance beyond the omnipresent interest in powering mobile devices and cars. Large-scale affordable storage will be the key issue in the use of renewable energy sources. This storage is intimately connected with electrochemical energy conversion. There is a flood of research articles and reviews dealing with every aspect (more or less) of energy conversion and storage. Because research and development is extremely interdisciplinary, researchers, as well as students, entering this field from different backgrounds may frequently be looking for basic information. In the currently available textbooks of electrochemistry, energy conversion and storage are just one topic among many; specialized monographs frequently require extensive knowledge on the reader’s part. The present entry collection:

Encyclopedia of Electrochemical Energy Storage and Conversion

will provide an open access collection to close the gaps. It will contain basic-level contributions describing the fundamentals with an eye to their application in the field; it will also have sections on practical aspects. Most entries will deal with specific systems and devices covering general and basic aspects as well as details of advanced developments and applications.

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Rudolf Holze

Institution: Institut für Chemie, Technische Universität Chemnitz, D-09107 Chemnitz, Germany

Interests: electrochemistry; energy conversion and storage; corrosion

Xuecheng Chen

Institution: Department of Nanomaterials Physicochemistry, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Szczecin, 71-065 Szczecin, Poland

Interests: electrochemistry; supercapacitor

Lijun Fu

Institution: State Key Laboratory of Materials-Oriented Chemical Engineering, Institute of Advanced Materials (IAM) and College of Energy Science and Engineering, Nanjing Tech University, Nanjing 211800, China

Interests: electrochemistry; supercapacitor; batteries; energy storage

Michael Schneider

Institution: Fraunhofer Institute for Ceramic Technology and Systems, 01277 Dresden, Germany

Interests: secondary batteries; supercapacitors; experimental methods for electrode characterization

Deepak Dubal

Institution: School of Chemistry and Physics, Faculty of Science, Queensland University of Technology, Gardens Point Campus, Brisbane QLD 4000, Australia

Interests: energy conversion and storage; battery recycling; nanogenerators

Topic Review Peer Reviewed
Scanning Electrochemical Microscopy for Electrochemical Energy Conversion and Storage
Scanning electrochemical microscopy (SECM) is a type of scanning probe microscopy (SPM) where an electrochemical reaction at a microelectrode is used to generate information about an electrochemically (in)active surface in its immediate vicinity. Careful preparation and knowledge of the microelectrode response as well as the application of a suitable method enable the study of spatially resolved electrochemical kinetics or the electrocatalytic activity of any structure or material. In addition to a wide range of other applications, the method has become particularly well established in the research field of electrochemical energy storage and conversion.
  • 272
  • 04 Feb 2024
Topic Review Peer Reviewed
Reactive Transport Processes in Proton Exchange Membrane Fuel Cells
Proton exchange membrane fuel cells are devices that directly convert chemical energy to electricity. A hydrogen oxidation reaction takes place on the anode side, generating protons and electrons. In the cathode, oxygen reduction reaction involving oxygen, proton and electron occurs, producing water and heat. The water content in PEMFCs should be maintained at a reasonable amount to avoid water flooding or membrane dehydration. The thermal management and water management of PEMFCs are important for an efficient and stable operation of PEMFCs. Inside the multiscale spaces of PEMFCs, multiphase flow with a phase change, heat and mass transfer, proton and electron conduction, and electrochemical reaction simultaneously take place, which play important roles in the performance, lifetime and cost of PEMFCs. These processes should be well understood for better designing PEMFCs and improving the thermal management and water management.
  • 386
  • 28 Jul 2023