Patent ID: 11967715
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC H

Claim 12:
13. The method for producing an active material according to claim 1, wherein, as peaks of the silicon clathrate II type crystal phase, peak “A” at a position of 2θ=20.09°±0.50° and peak “B” at a position of 2θ=31.72°±0.50° are observed in X-ray diffraction measurement using a CuKαray, and
when an intensity of the peak “A” is regarded as IA, an intensity of the peak “B” is regarded as IB, and a maximum intensity in 2θ=22° to 23° is regarded as IM, IA/IM and IB/IM are respectively more than 1.