[TECHNICAL PROBLEM] To provide a negative electrode for an electric device such as a Li ion secondary battery which exhibits balanced characteristics of providing high initial capacity and maintaining high cycle characteristics. [SOLUTION TO PROBLEM] The n...

There is provided a negative electrode for an electric device such as a Li ion secondary battery capable of exhibiting well-balanced characteristics of a high cycle property and a high initial capacity. The negative electrode for an electric device include...

Disclosed is a Si-based alloy anode material for lithium ion secondary batteries. This Si-based alloy anode material comprises an alloy phase composed of a Si principal phase comprising Si and a compound phase comprising two or more elements. The two or mo...

A negative electrode active material for an electric device includes an alloy containing silicon in a range from 27% by mass to 100% by mass exclusive, aluminum in a range from 0% by mass to 73% by mass exclusive, niobium in a range from 0% by mass to 58% ...

An anode active material for a lithium secondary battery and a lithium secondary battery having the same are disclosed. The anode active material for a lithium secondary battery includes a silicon alloy consisting of silicon and at least two kinds of metal...

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

A thermal fuse includes a first insulation film having a pair of metal terminals mounted thereto, a fusible alloy located over the first insulation film and connected between respective ends of the metal terminals, a second insulation film provided over th...