Coiling formula lithium ion battery pole piece structure

• Main Authors: He Weining, Ma Shijun, Ma Qianli
• Format: Patent
• Language: Chinese; English
• Published: 17.08.2016
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model discloses a coiling formula lithium ion battery pole piece structure, it includes aluminium matter strap, lithium ion positive plate, aluminium matter foil, nickel matter strap, graphite matter negative pole piece and copper foil, aluminium matter strap passes through the left surface that ultrasonic bonding installed on the lithium ion positive plate and was close to the lithium ion positive plate, even coating has the aluminium matter mass flow body of electrically conductive carbon dust on the lithium ion positive plate, aluminium matter foil and lithium ion positive plate formula structure as an organic whole, aluminium matter foil is the aluminium matter utmost point ear of die -cut play, nickel matter strap passes through the left surface that ultrasonic bonding installed on graphite matter negative pole piece and was close to graphite matter negative pole piece, even coating has the copper mass flow body of electrically conductive carbon dust on the graphite matter negative pole piece