公开(公告)号：CA2350201A1

公开(公告)日：2000-05-18

申请号：CA2350201

申请日：1999-11-08

Applicant: NANOGRAM CORP

Inventor： HARIKLIA DRIS REITZ ,  HORNE CRAIG R ,  BI XIANGXIN ,  MOSSO RONALD J ,  KAMBE NOBUYUKI ,  GARDNER JAMES T ,  KUMAR SUJEET

IPC: C01G45/00 ,  C01G45/02 ,  C01G45/12 ,  H01M4/02 ,  H01M4/50 ,  H01M4/505 ,  H01M10/052 ,  H01M10/36 ,  A21B2/00 ,  H05B3/10 ,  B01J23/32 ,  A45D20/40

Abstract: Manganese oxide particles and lithium manganese oxide particles have been produced with an average diameter less than about 500 nm. The particles have a high degree of uniformity including a very narrow distribution of particles sizes. Methods are described for producing metal oxides by performing a reaction with an aerosol including a metal precursor. In particular, the particles can be formed by laser pyrolysis. The lithium manganese oxide particles can be formed by the heat treatment of nanoparticles of manganese oxide. Alternatively, lithium manganese oxide particles can be formed direct ly by laser pyrolysis. The lithium manganese oxide particles are useful as acti ve materials in the positive electrodes of lithium based batteries. Improved batteries result from the use of the uniform nanoscale lithium manganese oxi de particles.

公开(公告)号：HK1044631A1

公开(公告)日：2002-10-25

申请号：HK02106124

申请日：2002-08-21

Applicant: NANOGRAM CORP

Inventor： CRAIG R HORNE ,  HARIKLIA DRIS REITZ ,  JAMES P BUCKLEY ,  SUJEET KUMAR ,  YU K FORTUNAK ,  XIANGXIN BI

IPC: C01F20060101 ,  C01F1/00 ,  C01G31/00 ,  C01G31/02 ,  H01B20060101 ,  H01B1/02 ,  H01B1/08 ,  H01M4/02 ,  H01M4/131 ,  H01M4/34 ,  H01M4/48 ,  H01M4/485 ,  H01M4/54 ,  H01M4/58 ,  H01M6/16 ,  H01M10/052 ,  H01M10/32 ,  H01M10/36