NANOGENERATOR

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NANOGENERATORINTRODUCTIONNanogenerator is a technology that converts mechanical/thermal energy as produced by small-scale physical change into electricity. NanogeneratorNanogenerator has three typical approaches: Piezoelectric nanogenerators. Triboelectric nanogenerators. Pyroelectric nanogenerators. PEIZO ELECTRICITYThe word piezoelectricity means electricity resulting from pressure. Piezoelectricity is the charge which accumulates in certain solid materials in response to applied mechanical strain. Piezoelectricity is the direct result of the piezoelectric effectPEIZO-ELECTRIC EFFECT Nanogenerators may include any types of energy harvesting devices with nano-structure converting the various types of the ambient energy (e.g. solar power and thermal energy), it is used in most of times to specifically indicate the kinetic energy harvesting devices utilizing nano-scaled piezoelectric material. The mechanical energy from compressing a nanogenerator between two fingers, from a heart beat, the pounding of a hiker's shoe on a trail, the rustling of a shirt, or the vibration of a heavy machine is converted into electrical energy by these generators.

Mechanism

GEOMETRIC CONFIGURATION

TRIBOELECTRIC NANOGENERATORTriboelectric Nanogenerator is an energy harvesting device that converts the external the ambient mechanical energy into electricity based on the nano-scale triboelectric effect.The scheme view of the typical structure of a triboelectric nanogenerator

The scheme showing the mechanism of triboelectric nanogenerator

APPLICATIONSSELF-POWERED SYSTEMSTHE POWERING OF PERSONAL ELECTRONICSTHE POWER SOURCE FOR ELECTROCHEMICAL PROCESSESTHE ACTIVE (SELF-POWERED) PRESSURE SENSOR

PYROELECTRIC NANOGENERATORPyroelectric Nanogenerator is an energy harvesting device converting the external thermal energy into an electrical energy by using nano-structured pyroelectric materialsMechanism The mechanism of the pyroelectric nanogenerator based on a composite structure of pyroelectric nanowries.(a-c) Schematic diagrams of the pyroelectric nanogenerator with negative electric dipoles under room temperature (a), heated (b) and cooled (c) conditions. The angles marked in the diagrams represent the degrees to which the dipole would oscillate as driven by statistical thermal fluctuations.

LATERAL NANOWIRE INTEGRATED NANOGENERATOR (LING):

APPLICATIONS:Transparent and Flexible DevicesImplantable Telemetric Energy Receiver:

APPLICATIONS:Transparent and Flexible DevicesImplantable Telemetric Energy Receiver:

Conclusion In future a day may come when nanogenerators power the entire globe. The nanogenerators would certainly bring up a new industrial revolution in the power generation .With the application of nanotechnology in every sphere of the life many compact designs can be expected which constitute for the technological development .With their size, precision and accuracy nanogenerators are definitely going to be an un-avoidable part of our future.