Electric pulse decomposition method, composite material, and composite material decomposition method

An electric pulse decomposition system for separating a composite material by an electric pulse, the electric pulse decomposition system comprising the composite material being obtained by bonding or joining a predetermined first conductor and a predetermined second conductor to each other with an insulating member, the composite material comprising:

• a protrusion provided in at least one of the first conductor and the second conductor to protrude toward the other conductor;
• and
• the insulating member to be applied in a region including a site where the protrusion is provided and bonding or joining the first conductor and the second conductor to each other,
• the electric pulse decomposition system further comprising:
• electrodes provided in one-to-one correspondence with the first conductor and the second conductor each electrode being in contact with a surface of the corresponding first or second conductor;
• and
• a pulse generator configured to separate the first conductor and the second conductor by applying an electric pulse between the electrodes to destroy the insulating member.