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#0257


Solid State Electrochemical Battery Based on Ionic Conductors of Lanthanum 3-Fluoride Type.

Tech Area / Field

  • NNE-BCM/Batteries and Components/Non-Nuclear Energy

Status
8 Project completed

Registration date
01.08.1994

Completion date
05.04.2000

Senior Project Manager
Lapidus O V

Leading Institute
VNIIEF, Russia, N. Novgorod reg., Sarov

Supporting institutes

  • Kurchatov Research Center, Russia, Moscow

Collaborators

  • Redox Inc., USA, MD, Winchester\nTU Delft, The Netherlands, Delft\nSt Andrews University, UK, St Andrews

Project summary

The goal of this Project is the study of processes of fluorine ion transport in lanthanum threefluoride (LaF3) type solid ionic conductors, electrochemical phenomena in solid state batteries based on the latter, development of manufacturing technology and construction of high capacity solid state batteries for medicine and electronics applications including everyday appliances, rescue means etc.

The project will give the opportunity to switch efforts of scientists and engineers of RFNG-VNIIEF and RRC "Kurchatov Institute" employed now in military sphere to solution of fundamental and applied problems in the field of energy storage for rescue and life supporting system.

For project execution there must be conducted the theoretical and experimental investigations of fluorine ion and electronics conductivities of LaF3 type ionic conductors and processes occurred at boundaries of solid electrolyte-cathode and solid electrolyte-anode. The mathematics modeling of real phenomena must be applied to obtain the optimum composition of the highest capacity solid state battery. Also numerous technological and design questions must be solved. As the result there must be presented the operating models of solid state electrochemical cells along with the general report for subsequent design of their commercial use as a separate electrochemical cell, or as a cell battery.

The methodology of the works includes carrying out of both theoretical and experimental researches, mathematical modeling of processes under study.

Corresponding recommendations will be obtained as a result of this work for the choice of the optimum composition of electrochemical cells. Technological works will be carried out to perform the constituent parts of the cells and cells as a whole. The main questions of the cell construction will be solved also. Volt-ampere and energetic characteristics of electrochemical cells will have been studied at room and elevated temperatures (regarding the use of fluoride cells in thermal batteries). Generalization of the research results, laboratory-made solid state electrochemical batteries manufacturing and working out the recommendation for their commercial use will complete this work.


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