公开(公告)号：WO2019102226A1

公开(公告)日：2019-05-31

申请号：PCT/GB2018/053415

申请日：2018-11-27

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： STEVENS, James ,  COPLEY, Mark ,  COOKSON, James

IPC: H01M4/58 ,  H01M4/62 ,  H01M4/136 ,  H01M10/0525

Abstract: Particulate carbon-coated lithium metal phosphate materials are provided with a copper content less than or equal to 1 ppm. Methods of making such materials are also provided, the methods involving the use of adsorbent materials comprising 2- aminomethylpyridine functional groups to remove copper from iron (II) precursors used in the formation of lithium metal phosphates.

公开(公告)号：WO2023067360A1

公开(公告)日：2023-04-27

申请号：PCT/GB2022/052694

申请日：2022-10-21

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： BILBE, Edward ,  GOMEZ JIMENEZ, Pilar ,  LIU, Yang ,  STEVENS, James

IPC: C01G45/12 ,  H01M4/131 ,  H01M4/50

Abstract: The present invention relates to a lithium manganese metal oxide material which comprises a first crystalline phase having a cation-disordered rock salt structure and a second crystalline phase having an orthorhombic LiMnO2 structure.

公开(公告)号：WO2022258939A1

公开(公告)日：2022-12-15

申请号：PCT/GB2022/050913

申请日：2022-04-12

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： MARIN FLORIDO, Daniel ,  O'SHAUGHNESSY, Paul Noel ,  STEVENS, James

IPC: B01J20/32 ,  B01J20/286 ,  B01J20/289 ,  B01D15/26 ,  C22B3/00 ,  B01D15/38 ,  B01J45/00

Abstract: Use of a separation material comprising picolinic acid ester or picolinic acid amide functional groups immobilised on a solid support to selectively remove Ni from an aqueous solution.

公开(公告)号：WO2021250412A1

公开(公告)日：2021-12-16

申请号：PCT/GB2021/051442

申请日：2021-06-10

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： HAWKINS, Christopher R. ,  STEVENS, James

IPC: C01G23/00 ,  C01G23/005 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2006/40

Abstract: A process for making a doped lithium titanate material which includes preparing a liquid composition comprising a titanium source, a lithium source and a dopant source, wherein the dopant source comprises one or more of a lanthanum source and a cerium source, spray drying the liquid composition to provide a spray-dried composition; and annealing the spray-dried composition. The resultant doped lithium titanate may find use in a negative active material for use in negative electrodes.