Nonaqueous electrolyte secondary battery and method of manufacturing the same, and separator for nonaqueous electrolyte secondary battery
AssigneeToyota Jidosha Kabushiki Kaisha
InventorKazuhisa Takeda
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Abstract
A method of manufacturing a nonaqueous electrolyte secondary battery includes: preparing a separator substrate; forming a porous layer, which contains at least a fluorophosphate and a binder, on a surface of the separator substrate; preparing an electrode body by laminating a positive electrode and a negative electrode to face each other with a separator including the porous layer interposed therebetween, in which the separator is arranged such that the porous layer faces the positive electrode; preparing a battery assembly including the electrode body and a nonaqueous electrolyte; and charging the battery assembly at least once.
Claims6
A method of manufacturing a nonaqueous electrolyte secondary battery, the method comprising:
- preparing a separator substrate;
- preparing a separator by applying a paste or a slurry composition, which contains at least a fluorophosphate and a binder kneaded with each other in a solvent, to a surface of the separator substrate to form a porous layer on the surface of the separator substrate;
- preparing an electrode body by arranging the separator such that the porous layer faces a positive electrode and laminating the positive electrode and a negative electrode to face each other with the separator interposed therebetween;
- preparing a battery assembly comprising the electrode body and a nonaqueous electrolyte;
- and
- charging the battery assembly at least once.
Dependencies are inferred from the claim text.