Positive electrode for non-aqueous electrolytic secondary cell and non-aqueous electrolytic secondary cell
AssigneesKyushu University, NGK Insulators, Ltd.
InventorsShigeto Okada, Jun-Ichi Yamaki, Tomoko Iwanaga, Michio Takahashi, Hiroyuki Katsukawa
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Abstract
There is disclosed a positive electrode for a non-aqueous electrolytic secondary cell and a non-aqueous electrolytic secondary cell exhibiting a high potential of a 4 V region, and having a high capacity, safety, excellent cycle characteristic, and satisfactory high-temperature characteristic, wherein a positive electrode active material is a mixture of olivine type lithium manganese phosphate and spinel type lithium manganate.
Claims18
A positive electrode for a non-aqueous electrolytic secondary cell, wherein a positive electrode active material is a mixture of olivine type lithium manganese phosphate and spinel type lithium manganate.
A non-aqueous electrolytic secondary cell comprising:
- a positive electrode containing a positive electrode active material capable of inserting and desorbing a lithium ion;
- a negative electrode having a negative electrode active material capable of inserting and desorbing the lithium ion;
- and
- a non-aqueous solvent including an electrolyte,
- wherein the positive electrode is made of a mixture of olivine type lithium manganese phosphate and spinel type lithium manganate the positive electrode.
Dependencies are inferred from the claim text.