Synthesis of Nano-Sized SiO x /C Composite by a Drip Combustion in Fluidized Bed Reactor and Its Electrochemical Propert

  • PDF / 304,906 Bytes
  • 6 Pages / 432 x 648 pts Page_size
  • 34 Downloads / 176 Views

DOWNLOAD

REPORT


6\QWKHVLVRI1DQR6L]HG6L2[&&RPSRVLWHE\D'ULS&RPEXVWLRQLQ)OXLGL]HG%HG5HDFWRU DQG,WV(OHFWURFKHPLFDO3URSHUWLHV  $QDUD0RONHQRYD6HLWDUR.DWRDQG,]XPL7DQLJXFKL 

'HSDUWPHQWRI&KHPLFDO(QJLQHHULQJ7RN\R,QVWLWXWHRI7HFKQRORJ\2RND\DPD

0HJXURNX7RN\R-DSDQ  $%675$&7  1DQRVL]HG6L2[&FRPSRVLWHZDVVXFFHVVIXOO\SUHSDUHGE\GULSFRPEXVWLRQLQD IOXLGL]HGEHGUHDFWRU$PL[WXUHRIWHWUDHWK\ORUWKRVLOLFDWH 7(26 DQWNHURVHQHDWDYROXPH UDWLRZDVXVHGDVDSUHFXUVRUVROXWLRQ7KHV\QWKHVLVZDVFDUULHGRXWEHWZHHQž&DQGž& 7KHDVSUHSDUHGSRZGHU ž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

13

$GHWDLOHGVFKHPDWLFUHSUHVHQWDWLRQRIWKHH[SHULPHQWDODSSDUDWXVXVHGIRUGULSS\URO\VLV LQDIOXLGL]HGEHGUHDFWRUZDVUHSRUWHGHOVHZKHUH>@7KHUHDUHPDLQVHFWLRQVLQWKH FRQVWUXFWLRQRIWKHDSSDUDWXVVXFKDVDJDVIORZFRQWURODQGPHDVXUHPHQWV\VWHPDIOXLGL]HG EHGUHDFWRUHTXLSSHGZLWKHOHFWULFIXUQDFHVDSUHFXUVRUVROXWLRQVXSSO\V\VWHP