Patent ID: 7819718

Claim:
A secondary battery including an electronic device, the electronic device comprising: a member including at least a plurality of carbon fibers, wherein the member, according to Raman spectrum characteristic detected by irradiating laser having a wavelength of 514.5 nm, has a first peak of intensity of Raman scattering in which Raman shift is in a range of 1355±10 kaiser (cm −1 ) and a second peak of intensity of Raman scattering in which Raman shift is in a range of 1580±10 kaiser, and wherein Full-Width Half-Maximum (FWHM 2 ) of the first peak and a Full-Width Half-Maximum (FWHM 1 ) of the second peak satisfy a relation that FWHM 2 /FWHM 1 ≦1.2.