The present disclosure relates to a negative electrode active material, a method of manufacturing the negative electrode active material, and a negative electrode including the negative electrode active material. The negative electrode active material comp...

An active material containing silicon, and a carbon precursor containing lignin are provided. The active material is contacted with carbon precursor at 400[deg] C or more in an inert gas atmosphere, such that lignin is converted into inorganic carbon, to o...

A negative electrode active material for nonaqueous secondary batteries is disclosed. The active material contains a silicon solid solution having one or more than one of a group 3 semimetal or metal element, a group 4 semimetal or metal element except sil...

Provided is a negative-electrode material powder for lithium-ion secondary battery including a silicon-rich layer on the surface of a lower silicon oxide powder, and a negative-electrode material powder for said battery comprising a silicon oxide powder, c...

[Assignment] Providing a noble negative-electrode active material including silicon, and a production process for the same. [Solving Means] A negative-electrode active material for non-aqueous-system secondary battery including a silicon phase and a compos...

The present invention provides a method for manufacturing a carbon-coated negative electrode active material for use in a non-aqueous electrolyte secondary battery, wherein a negative electrode active raw material including at least one of silicon oxide po...

A method for preparing an electrode involves using a porous material. Independent claims are included for; (A) An electrochemical system; (B) An anode battery; and (C) A lithium ion battery.