H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 10/40 (2006.01) H01M 4/48 (2006.01) H01M 4/58 (2006.01)
Patent
CA 2283393
A non-aqueous electrolytic secondary cell provided with positive electrodes (1), negative electrodes (2) and a non-aqueous electrolytic solution, wherein a lithium-containing composite nickel oxide is used as a chief component of the electrode material of the positive electrodes, a lithium-containing titinium oxide is used as a chief component of the electrode material of the negative electrodes, the solvent of the non-aqueous electrolytic solution contains a cyclic carbonic ester and a chain carbonic ester, the cyclic ester and the chain carbonic ester being contained in amounts of at least 10 % by volume of the whole solvent, respectively, and the total content of the cyclic carbonic ester and the chain carbonic ester being at least 60 % by volume of the whole solvent.
La présente invention concerne une cellule secondaire à électrolyte non aqueux comprenant des électrodes positives (1), des électrodes négatives (2) et une solution électrolytique non aqueuse, dans laquelle on utilise un oxyde de nickel mixte contenant du lithium comme composant principal du matériau d'électrode des électrodes positives, et un oxyde de titane contenant du lithium comme composant principal du matériau d'électrode des électrodes négatives, le solvant de la solution électrolytique non aqueuse contenant un ester carbonique cyclique et un ester carbonique linéaire, l'ester cyclique et l'ester linéaire étant présents en des quantités correspondant à au moins 10 % en volume du solvant total, respectivement, et la teneur totale en ester carbonique cyclique et en ester carbonique linéaire étant d'au moins 60 % en volume du solvant total.
Kida Yoshinori
Nishio Koji
Nohma Toshiyuki
Ohshita Ryuji
Yoshimura Seiji
Marks & Clerk
Sanyo Electric Co. Ltd.
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