H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/66 (2006.01) H01M 4/24 (2006.01) H01M 4/02 (2006.01) H01M 6/10 (2006.01) H01M 4/58 (2006.01) H01M 10/40 (2006.01)
Patent
CA 2156676
A carbonaceous electrode having improved capacities for doping and dedoping of a cell active substance, such as lithium, and suitable for a non- aqueous solvent-type secondary battery, is constituted by a carbonaceous material having a specific microtexture. The carbonaceous material is characterized by ability of providing an electrochemically lithium-doped product showing a main resonance peak which is shifted by 80 - 200 ppm to a lower magnetic field side from a resonance line of LiCl as a reference substance when subjected to 7Li- NMR spectroscopy analysis.
Une électrode carbonée, ayant des capacités améliorées pour le dopage et le dédopage d'une substance active d'une cellule, comme le lithium, et convenant à une pile secondaire à solvant de type non aqueux, est constituée d'une matière carbonée ayant une microtexture déterminée. La matière carbonée est caractérisée par sa capacité à produire un composé électrochimiquement dopé au lithium, exhibant un pic principal de résonance déplacé de 80 à 200 ppm du côté des bas champs magnétiques, par rapport à une raie de résonance de LiCl, utilisée comme substance de référence lors de l'analyse par spectroscopie RMN du 7Li.
Ishikawa Minoru
Iwasaki Takao
Sonobe Naohiro
Fetherstonhaugh & Co.
Kureha Corporation
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