Sharp Kabushiki Kaisha Corporation

Faradion Limited

Takuya Otani

Motoaki Nishijima

Hirotaka Mizuhata

Emma Kendrick

Yuichi Kamimura

Isao Asako

Robert Gruar

The invention relates to novel materials of the formula: AMMMx02wherein A is one or more alkali metals; Mcomprises one or more redox active metals with an oxidation state in the range +2 to +4; Mcomprises tin, optionally in combination with one or more transition metals; Mcomprises one or more transition metals either alone or in combination with one or more non-transition elements selected from alkali metals, alkaline earth metals, other metals, metalloids and non-metals, with an oxidation state in the range +1 to +5; wherein the oxidation state of M1, M2, and M3 are chosen to maintain charge neutrality and further wherein &#x3b4; is in the range 0&#x2264;&#x3b4;&#x2264;0.4; U is in the range 0.3&#x3c;U&#x3c;2; V is in the range 0.1&#x2264;V&#x3c;0.75; W is in the range 0&#x3c;W&#x3c;0.75; X is in the range 0&#x2264;X&#x3c;0.5; and (U+V+W+X)&#x3c;4.0. Such materials are useful, for example as electrode materials, in rechargeable battery applications.

Tin-containing compounds

Growing community of inventors

Osaka, Japan

Takuya Otani