H - Electricity – 01 – M
Patent
H - Electricity
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H01M 4/66 (2006.01) H01M 4/02 (2006.01) H01M 4/04 (2006.01) H01M 4/38 (2006.01) H01M 4/40 (2006.01) H01M 2/02 (2006.01) H01M 4/36 (2006.01) H01M 4/70 (2006.01) H01M 6/10 (2006.01) H01M 6/40 (2006.01) H01M 10/42 (2006.01) H01M 10/44 (2006.01) H01M 4/48 (2006.01) H01M 4/58 (2006.01) H01M 10/40 (2006.01) H01M 4/52 (2006.01)
Patent
CA 2387909
An electrode for a lithium secondary cell having an active material thin film such as a microcrystalline silicon thin film or an amorphous silicon thin film that expands/contracts with absorption/desorption of lithium on a current collector, characterized in that the strength of the current collector (= the tensile strength per cross section of the current collector material (N/mm2) × the thickness of the current collector (mm)) is 3.82 N/mm or more.
L'invention concerne une électrode pour accumulateur au lithium présentant une couche mince de matière active telle qu'une couche mince de silicium microcristallin ou une couche mince de silicium amorphe se dilatant/contractant avec l'absorption/désorption de lithium sur un collecteur de courant, caractérisée en ce que la résistance du collecteur de courant (= la résistance à la traction par section transversale de la matière du collecteur de courant (N/MM?2¿) x par l'épaisseur du collecteur de courant (mm)) est de 3,82 N/mm ou davantage.
Asaoka Kenji
Domoto Yoichi
Fujimoto Masahisa
Fujitani Shin
Ikeda Hiroaki
G. Ronald Bell & Associates
Sanyo Electric Co. Ltd.
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