Nippon Steel Corporation

Nippon Steel Chemical & Material Co., Ltd.

Taro Kono

Hiromasa Shoji

Kimihito Suzuki

Takeshi Hamada

Masayuki Kasuya

Tsutomu Sugiura

Takeshi Shinoda

Hidehiko Morita

Provided is a catalyst block for cleaning exhaust gas, having: a square-shaped honeycomb core provided with first-fourth outside surfaces; a first plate attached to the first outside surface; a second plate attached to the second outside surface; and an exterior frame disposed along the outer periphery of the firm and solid honeycomb core formed from the honeycomb core, the first plate and the second plate, the exterior frame being provided with a recessed part that at least encases the first plate, the second plate, the third outside surface and the fourth outside surface. In the catalyst block, a catalyst is supported in the honeycomb core, the first plate and the second plate, and the catalyst is not supported in the exterior frame.

Catalyst block

A lithium secondary battery comprising a positive electrode active material, a negative electrode active material, and a non-aqueous electrolyte is disclosed. The negative electrode active material is a powder of a silicon material containing boron and has a boron content in the range of 0.1-50 wt. %.

Lithium secondary battery and active material for negative electrode in lithium secondary battery

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Tokyo, Japan

Taro Kono