Nonaqueous electrolyte secondary battery
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsTomoyoshi Ueki, Harunari Shimamura, Yusuke Fukumoto
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Abstract
A nonaqueous electrolyte secondary battery 100 according to this invention includes a positive electrode 10, a negative electrode 20, a separator 40 interposed between the positive electrode 10 and the negative electrode 20, and a nonaqueous electrolyte solution. A porous heat-resistant layer 42 is additionally provided between the separator 40 and at least one electrode from among the positive electrode 10 and the negative electrode 20. The porous heat-resistant layer 42 includes hollow particles 44 made of an inorganic material, and a binder 46.
Claims6
A nonaqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte solution,
- the nonaqueous electrolyte secondary battery further comprising a porous heat-resistant layer that is disposed between the separator and at least one electrode from among the positive electrode and the negative electrode, and that is formed on a surface of at least one of the positive electrode and the separator,
- wherein the porous heat-resistant layer includes hollow particles made of an inorganic material and also includes a binder.
(canceled)
Dependencies are inferred from the claim text.