公开(公告)号：EP1230016A1

公开(公告)日：2002-08-14

申请号：EP00947495.8

申请日：2000-07-18

Applicant: Nanogram Corporation

Inventor： MOSSO, Ronald, J. ,  BI, Xiangxin ,  GARDNER, James, T. ,  KUMAR, Sujeet ,  PHILLIPS, Samuel, R.

IPC: B01J19/08

CPC classification number: B01J6/008 ,  B01J19/121 ,  B01J2219/0879

Abstract: Improvements to chemical reaction systems (100) provide for the production of commercial quantities of chemical products, such as chemical powders. The improved chemical reaction systems (100) can accomodate a large reactant flux for the production of significant amounts of product. Preferred reaction systems (100) are based on laser pyrolysis. Features of the system (100) provide for the production of highly uniform product particles.

公开(公告)号：EP1165442A1

公开(公告)日：2002-01-02

申请号：EP99957527.7

申请日：1999-11-08

Applicant: Nanogram Corporation

Inventor： KUMAR, Sujeet ,  BI, Xiangxin ,  HORNE, Craig, R. ,  HARIKLIA, Dris, Reitz ,  GARDNER, James, T. ,  MOSSO, Ronald, J. ,  KAMBE, Nobuyuki

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

CPC classification number: H01M4/505 ,  B82Y30/00 ,  C01G31/00 ,  C01G45/02 ,  C01G45/1221 ,  C01G45/1242 ,  C01P2002/02 ,  C01P2002/32 ,  C01P2002/72 ,  C01P2002/77 ,  C01P2004/04 ,  C01P2004/51 ,  C01P2004/52 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/80 ,  C01P2006/40 ,  H01M4/02 ,  H01M10/052 ,  H01M2004/021

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 directly by laser pyrolysis. The lithium manganese oxide particles are useful as active materials in the positive electrodes of lithium based batteries. Improved batteries result from the use of the uniform nanoscale lithium manganese oxide particles.

Abstract translation: 已经生产平均直径小于约500nm的氧化锰颗粒和氧化锰氧化物颗粒。 颗粒具有高度的均匀性，包括非常窄的颗粒尺寸分布。 描述了通过与包括金属前体的气溶胶进行反应来制备金属氧化物的方法。 特别地，可以通过激光热解形成颗粒。 锂锰氧化物颗粒可以通过氧化锰纳米颗粒的热处理形成。 或者，可以通过激光热解直接形成锂锰氧化物颗粒。 锂锰氧化物颗粒可用作锂基电池正极中的活性材料。 使用均匀的纳米级锂锰氧化物颗粒导致改善的电池。