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In this work, we have studied the accretion of $(n+2)$-dimensional chargedBTZ black hole (BH). The critical point and square speed of sound have beenobtained. The mass of the BTZ BH has been calculated and we have observed thatthe mass of the BTZ BH is related with square root of the energy density ofdark energy which accretes onto BH in our accelerating FRW universe. We haveassumed modified Chaplygin gas (MCG) as a candidate of dark energy whichaccretes onto BH and we have found the expression of BTZ BH mass. Since in oursolution of MCG, this model generates only quintessence dark energy (notphantom) and so BTZ BH mass increases during the whole evolution of theaccelerating universe. Next we have assumed 5 kinds of parametrizations of wellknown dark energy models. These models generate both quintessence and phantomscenarios i.e., phantom crossing models. So if these dark energies accrete ontothe BTZ BH, then in quintessence stage, BH mass increases upto a certain value(finite value) and then decreases to a certain finite value for phantom stageduring whole evolution of the universe. We have shown these resultsgraphically.

Accretion of Dark Energy onto Higher Dimensional Charged BTZ Black Hole