Denso Corporation

The Gakushuin School Corporation

Shigeki Komine

Nobuo Yamamoto

Yoshinori Satou

Yuta Shimonishi

Yuki Tachibana

Daisuke Mori

Yoshiyuki Inaguma

A positive electrode material includes: LiNiMMMnO. &#x3b1; satisfies a relational expression of 0.50&#x3c;&#x3b1;&#x2264;1.33. &#x3b3; satisfies a relational expression of 0.33&#x2264;&#x3b3;&#x2264;1.1. &#x3b7; satisfies a relational expression of 0&#x2264;&#x3b7;&#x2264;1.00. &#x3b2; satisfies a relational expression of 0&#x2264;&#x3b2;&#x3c;0.67. &#x3b5; satisfies a relational expression of 0&#x2264;&#x3b5;&#x2264;1.00. Mis at least one type selected from Co and Ga. Mis at least one type selected from Ge, Sn, and Sb. LiNiMMMnOhas a layered structure which includes a Li layer and a Ni layer. A crystal structure of LiNiMMMnOis a superlattice structure.

Cathode material, non-aqueous electrolyte secondary battery cathode, and non-aqueous electrolyte secondary battery

A positive electrode material includes: LiNiMMMnO; a layered structure including a Li layer and a Ni layer; and a chemical bond of M-O. &#x3b1; satisfies an equation of 0.50&#x3c;&#x3b1;&#x2264;1.33. &#x3b2; satisfies an equation of 0&#x2264;&#x3b2;&#x3c;0.67. &#x3b3; satisfies an equation of 0.33&#x2264;&#x3b3;&#x2264;1.1. &#x3b7; satisfies an equation of 0&#x2264;&#x3b7;&#x2264;1.00. &#x3b5; satisfies an equation of 0&#x2264;&#x3b5;&#x2264;1.00. Mrepresents at least one selected from Co and Ga. Mrepresents at least one selected from Ge, Sn and Sb.

Positive electrode material, positive electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery

A solid electrolyte material includes: LiGeMO. x satisfies an equation of 0&#x2264;x&#x3c;0.5. y satisfies an equation of &#x2212;0.5&#x3c;y&#x3c;0.5. M represents at least one element selected from Mg, Al, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Ga, Zr, Sn, Nb, Sb, Cu, Sc, Ta, and Hf. Ge has a six-coordinate structure, or the solid electrolyte material has a crystal structure attributed to monoclinic, C12/c1.

Solid electrolyte material and lithium battery

A positive electrode material includes LiNiMMO, where 0&#x3c;(&#x3b1;+&#x3b7;)&#x2264;2; 0&#x2264;&#x3b7;&#x3c;0.5; 0&#x3c;&#x3b2;&#x2264;2; 0&#x2264;&#x3b3;&#x2264;1; 1&#x2264;(&#x3b1;+&#x3b7;+&#x3b2;)&#x2264;2.1; 0.8&#x3c;&#x3b2;/(&#x3b1;+&#x3b7;); Mis Mn; Mis at least one selected from Ge and Sn; and Ni and Mhas a local structure of six-coordination. The positive electrode material is used for a positive electrode for nonaqueous-electrolyte secondary battery and a nonaqueous-electrolyte secondary battery.

Positive electrode material, positive electrode for nonaqueous-electrolyte secondary battery, and nonaqueous-electrolyte secondary battery

A positive electrode material includes: LiNiMMMnOthat has a layered structure including a Li layer and a Ni layer, and in which a Ni&#x2014;O bond length is shorter than that calculated from the Shannon's ionic radii. &#x3b1; satisfies a relation of 0.50&#x3c;&#x3b1;&#x2264;1.33, &#x3b2; satisfies a relation of 0&#x2264;&#x3b2;&#x3c;0.67, &#x3b3; satisfies a relation of 0.33&#x2264;&#x3b3;&#x2264;1.1, &#x3b7; satisfies a relation of 0&#x2264;&#x3b7;&#x2264;1.00, &#x2208; satisfies a relation of 0&#x2264;&#x2208;&#x2264;1.00, Mrepresents at least one selected from Co and Ga, Mrepresents at least one selected from Ge, Sn and Sb. A positive electrode material may indicate a peak intensity ratio (I/I) of 0.9 or more in a measurement of a powder X-ray diffraction indexed with a space group of R3m.

A positive electrode material includes: a composite oxide of solid solution including LiSnOand LiNiMMMnO. &#x3b1; satisfies an equation of 0.50&#x2264;&#x3b1;&#x2264;1.35. &#x3b2; satisfies an equation of 0&#x2264;&#x3b2;&#x3c;1.0. &#x3b3; satisfies an equation of 0&#x2264;&#x3b3;&#x2264;0.66. &#x3b2; and &#x3b3; satisfies an equation of 0.33&#x2264;&#x3b2;+&#x3b3;&#x2264;1.1. &#x3bd; satisfies an equation of 0&#x2264;&#x3bd;&#x2264;0.66. &#x2208; satisfies an equation of 0&#x2264;&#x2208;&#x2264;1.00. Mrepresents at least one selected from Sn, SbAl. Mrepresents Sb.

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Kariya, Japan

Shigeki Komine