H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/24 (2006.01) H01M 4/02 (2006.01) H01M 4/04 (2006.01) H01M 4/62 (2006.01) H01M 4/50 (2006.01) H01M 4/52 (2006.01) H01M 6/16 (2006.01)
Patent
CA 2211044
The invention relates to the use of an organic acid compound to substantially eliminate the presence of free LiOH in an ink composition for positive electrodes, characterized in that the said organic acid compound is selected from the group consisting of: alpha-carboxylic acids, C1 to 4; beta-fluorocarboxylic acids; C2 to 4, (gamma) their anhydrides; and (delta) combinations thereof. It also relates to an ink for positive electrode containing the said organic acid compound and the process for its preparation.
La présente invention concerne l'utilisation d'un composé acide organique pour éliminer substantiellement la présence de LiOH libre dans une composition d'encre pour électrode positive, caractérisée en ce que ledit composé acide organique est choisi parmi l'ensemble constitué par: (.alpha.) les acides carboxyliques en C1-C4, (.beta.) les acides fluorocarboxyliques en C2-C4, (.gamma.) leurs anhydrides, et (.delta.) leurs mélanges. Elle concerne également une encre pour électrode positive contenant ledit composé acide organique ainsi que le procédé de préparation.
Biensan Philippe
Godiveau Odile
Simon Bernard
Robic
Saft
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